JPH052392A - Electronic musical instrument allocation device - Google Patents

Abstract

(57) [Summary] [Object] The present invention relates to an electronic musical instrument assigning apparatus for selecting a musical tone generating channel and assigning a new musical tone, and in order to predetermine the selection order of the musical tone generating channel to which a new musical tone is assigned, The purpose is to suppress discomfort. [Structure] A continuous hitting relation detecting means for detecting a musical sound generating channel in a continuous hitting relationship among the musical sound generating channels in a sounding state, and a predetermined tone for a musical sound generating channel in a continuous hitting relation detected by the continuous hitting relation detecting means. The contents subject to the rank criterion in the predetermined rank criterion are tampered with so that a new music tone is preferentially selected and assigned at least among the tone generation channels in the sounding state according to the allocation rank based on the rank criterion. The tampering means and the selection order of the tone generation channels to which new musical tones are assigned according to the assignment order based on the predetermined ranking criteria for the tone generation channels based on the contents of the ranking criteria tampered by the tampering means. It is configured to have a rank selection means.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic musical instrument allocating apparatus for selecting a musical tone generating channel and allocating a new musical tone, and more particularly to a pre-assigning technique for predetermining the selection order of musical tone generating channels for allocating a new musical tone. It is a thing.

[0002]

2. Description of the Related Art Conventionally, in the above-mentioned electronic musical instrument allocating device, the order of selecting the tone generating channels is determined in advance as follows. By pressing a key, the selection order of the tone generation channels is set to the order in which the tone is quickly assigned by note-on. The selection order of the tone generation channels is determined in the order of the assigned musical tone envelope level.

[0003]

With regard to the allocation of the continuous tone sounds, in consideration of the masking effect between the continuous tone sounds, all the new tone sounds in the continuous tone sounds are not individually allocated to the tone generation channels, but the continuous tone sounds are continuously allocated. It is important to limit the number of related tone generation channels in advance and to assign a new tone in the continuous hit within the range of the number for the following reason.

If the number of tone generation channels to which the continuous tone is assigned is not limited, a new tone is repeatedly produced even though the tone generated in the tone generation channels having the continuous tone relationship has relatively little influence on the performance expression. In order to assign different musical tones to the musical tone generating channels, new musical tones to be continuously hit are assigned to the musical tone generating channels producing useful musical tones in the performance expression according to the above-mentioned predetermined selection order. Therefore, the pronunciation of musical tones that are useful in musical expression is erased one after another by the repeated musical tones, which causes a feeling of strangeness in musical expression.

However, if the number of tone generation channels used for continuous tone sounds is simply limited, when the number of consecutive tone sounds assigned reaches the limited number, even if there are other tone generation channels in the sounding end state that can be assigned, Since the continuous-tapping musical tone is assigned to the musical tone generating channel that is already in the sounding state, a sense of incongruity is produced in the performance expression.

The present invention has been made in view of the above circumstances, and an object thereof is to preset a selection order of tone generation channels to which a new tone is assigned.
An object of the present invention is to provide an assigning device for an electronic musical instrument, which can suppress a feeling of strangeness in performance expression.

[0007]

In order to achieve the above-mentioned object, an electronic musical instrument allocating device according to the present invention is basically an electronic musical instrument allocating device for selecting a musical tone generating channel and allocating a new musical tone. In (a) a continuous hitting relation detecting means for detecting a musical sound generating channel having a continuous hitting relationship among the musical sound generating channels in a sounding state, (b) in a musical sound generating channel having a continuous hitting relation detected by the continuous hitting relation detecting means. A new musical tone is assigned to other musical tone generating channels other than the specific musical tone generating channel by preferentially selecting at least among the musical tone generating channels in the sound generation state according to the allocation order based on a predetermined order criterion. Falsification means for falsifying the contents subject to the ranking criteria in the predetermined ranking criteria, and (c) this falsification means The order selection means for predetermining the selection order of the tone generation channels for assigning new musical tones to the tone generation channels according to the assignment order based on the predetermined order criteria based on the contents of the order criteria to be altered. It is a feature.

[0008]

In the tone generation channels in the continuous hitting relation detected from the tone generation channels in the sound generation state, for example, other tone generation channels except a certain tone generation channel during rapid decay, attack, etc. Falsify the contents subject to the ranking criteria in the prescribed ranking criteria. This alteration allows the new tone to be assigned by preferentially selecting the other tone generating channels described above at least among the tone generating channels in the sounding state according to the assignment order based on the predetermined order criterion. Based on the contents of the falsified rank criterion, a selection rank for allocating a new musical sound to a musical sound generation channel is determined according to an allocation rank based on a predetermined rank criterion.

Note that, for example, the predetermined ranking criteria are as follows. 1. The contents subject to the order criterion are set as the sound generation amount of the musical sound in the musical sound generation channel, and the musical sound generation channel having the smaller generated sound amount is prioritized. 2. The content of the rank criterion is the tone generation state including the note-on tone generation state and the note-off tone generation state of the tone in the tone generation channel. At least the tone generation channel in the note-off state is in the note-on state. Give priority to the source channel. 3. The content of the rank criterion is a sounding state mode including a note-on sounding state and a note-off sounding state of a musical sound in the musical tone generating channel, and a musical sound at least in the note-off sounding state as the amount of musical sound generated in the musical tone generating channel. The tone generation channel is prioritized over the tone generation channel in the note-on tone generation state, and the tone generation channel in which the tone generation amount is low is given priority at least in the tone-off tone generation channel. 4. The target content of the ranking criterion is a mode of the tone generation state and tone generation end state of the tone in the tone generation channel, and the tone generation channel in the tone generation end state has priority over the tone generation channel in the tone generation state. Further, the predetermined rank criterion may be a rank criterion including the aspects of the sounding state of the damper and / or the sounding state of sostenuto in the contents of the rank criterion.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First Embodiment Next, a specific embodiment in which the electronic musical instrument assigning apparatus according to the present invention is applied to an electronic musical instrument which produces a musical sound of a damping tone system will be described with reference to the drawings. First, in FIG. 1, the keyboard unit 20 is composed of a keyboard and a key operation detection circuit, and a key operated on the keyboard is detected by the key operation detection circuit to generate key data corresponding to the detected key. Interrupts the CPU 22 via the bus 21. The operator group 23 is composed of a plurality of operators for selecting a tone color, and the pedal group 24 is composed of a damper pedal, a sostenuto pedal and the like. Further, the ROM 25 pre-stores programs executed by the CPU 22, data and tables necessary for each processing, and the RAM 26 has working areas including various registers necessary for executing the programs set therein. . The timer 27 issues a timer interrupt to the CPU 22 at a predetermined time interval (1 mSec).

The CPU 22 executes a predetermined program, receives key data from the keyboard section 20 in response to an interrupt from the keyboard section 20, and writes this key data in a corresponding register of the RAM 26. Further, based on a timer interrupt from the timer 27, the operation setting state of the operator group 23 and the operation state of the pedal group 24 are detected by controlling the operator detecting circuit 28 and the pedal detecting circuit 29 at predetermined time intervals, and the operator is detected. The data and the pedal data are written in the corresponding registers of the RAM 26. Furthermore, a tone generation circuit 3 having 16 tone generation channels is executed by executing a predetermined program based on the written key data.
Control 0. The tone generation circuit 30 generates a desired tone signal under the control of the CPU 22 and sends it to the speaker 32 via the amplifier 31 to generate a tone.

The tone generation channel generates a tone signal based on a tone generation instruction from the CPU 22 and a tone generation parameter given at that time, and changes the generated tone signal according to the passage of time. Further, the tone generation channel interpolates the envelope level based on the target value given by the CPU 22 indicating the envelope level to be reached next and the rate indicating the amount of change of the envelope level per a predetermined time to generate a smooth envelope. Control the amplitude of the musical tone signal, attenuate the envelope level in accordance with a predetermined rapid attenuation rate in response to a rapid attenuation instruction, and when the envelope level becomes “0”, the rapid attenuation end FIFO provided in the musical tone generation circuit 30 is controlled. Stack the tone generation channel numbers.

Next, various maps such as a note map set in a predetermined area of the RAM 26 will be described with reference to FIGS. 2 to 5 show a part of these maps. The note map (FIG. 2) "0" to "127" stores the following in correspondence with the note number indicating the pitch of the musical tone.

(1) Note status: Note-on is indicated by "1" and note-off is indicated by "0". (2) Sostenuto status: Indicates sostenuto on by "1" and sostenuto off by "0". The task management map (FIG. 4) "1" to "7" stores the following items corresponding to the task numbers indicating the types of tasks. As for the task numbers, "1" is a key data receiving task, "2" is a main assigner task, "3" is a sounding task, "4" is a pre-assigner task, "5" is an envelope task, and "6" is The pedal task, “7”, is an operator task, and the lower the number, the higher the priority.

(1) Timer processing request flag: "1" indicates that timer processing is required. (2) Status: "0" indicates that the task status is run, and "1" indicates that the task status is ready.
The weight is indicated by "2". (3) Waiting event value: Indicates the type of waiting event whose status is wait.

(4) Event occurrence flag: The occurrence of an event is indicated by "1" for each event of the task. Music tone generation channel management map (FIG. 5) The following are stored in correspondence with the tone generation channel numbers indicating 16 tone generation channels by numbers "0" to "15".

(1) Sound Generation Amount: The sound generation amount of the musical sound currently being generated is indicated by "0000H" to "FFFFH". (2) Truncate prohibition flag: A prohibition of allocation of a new musical tone is indicated by "1". (3) Rapidly decaying flag: Indicates by "1" that the previous musical tone is being rapidly decayed.

(4) Processing wait flag 1: The processing wait of the first processing in the sounding task is indicated by "1". (5) Processing wait flag 2: The processing wait of the second processing in the sounding task is indicated by "1". (6) Processing wait flag 3: The processing wait of the third processing in the sounding task is indicated by "1".

(7) Note number: Indicates the pitch of a musical tone. (8) Velocity: Indicates the velocity of the musical sound. (9) Musical tone generation parameter group: Indicates the values of various parameters related to musical tone generation. Envelope management map (FIG. 3) The followings are stored corresponding to the envelope channel numbers indicating 16 envelope channels by numbers "0" to "15" corresponding to each tone generation channel.

(1) Envelope level: The envelope level is indicated by "0000H" to "FFFFH". (2) Target value: The envelope level to be reached next is indicated by "0000H" to "FFFFH". (3) Rate: Indicates the amount of change in the envelope level per predetermined time (5 mSec). Specifically, it is composed of a sign bit indicating positive and negative and a data bit whose absolute value is represented by "0000H" to "FFFFH".

(4) Phase number: Indicates the current phase number (elapsed stage from the start of tone generation). (5) Truncate prohibition phase number: Indicates the final phase number for which allocation of new musical tones is prohibited. (6) Envelope generation parameter group: Indicates the values of various parameters related to the generation of musical sound envelopes.

Next, the basic operation of the electronic musical instrument constructed as described above will be described with reference to the flow charts shown in FIGS. Various variables used in the flowcharts of FIGS. 6 to 17 are as follows. NSTK request source task number: Indicates the task number of the task that made the monitor call.

NSET request source event value: Indicates the type of event to be processed next in the task that made the monitor call. NDTK request destination task number: Shows the task number of the next scheduled task. NDET Request destination event value: Indicates the type of event to be processed in the next scheduled task.

IEDF initial setting completion flag: The completion of initial setting in all tasks is indicated by "1". TCTN Timer interrupt processing target number: Indicates the task number of the timer interrupt processing target. TCNE N Nth task timer counter value: Indicates the value of the timer counter for the task whose task number is N.

TCND N Nth task time interval: indicates the time interval at which a timer event is issued to the task whose task number is N. TCNE TCTN Task timer counter value of TCTN: Indicates the value of the timer counter for the task whose task number is the timer interrupt processing target number TCTN. TCND TCTN Second TCTN task time interval: Indicates the time interval for issuing a timer event to the task whose task number is the timer interrupt processing target number TCTN. [Key data receiving task] NTNM note number: Indicates the pitch of performance information based on the note-on message and / or the note-off message.

NTST note status: Performance information based on a note-on message is indicated by "1" and performance information based on a note-off message is indicated by "0". NTVL velocity: Indicates the velocity of performance information based on the note-on message. [Main Assigner Task] MASS N Music tone generation channel number of Nth assigned order: Indicates the tone channel number of the tone generation channel whose assignment order is the Nth assigned order (Nth assigned order).

TASN Target Assignment Order: Indicates the assignment order number of the assignment target. MAEF Main assigner processing flag: “1” indicates that new assign processing was performed in the main assigner task
I will show you. MASS TASN Music tone generation channel number of assignment rank TASN: Indicates the tone generation channel number of the tone generation channel whose assignment rank is the target assignment rank TASN.

GACN Number of assignable tone generation channels: Indicates the number of assignable tone generation channels. [Sound generation task] GCTN Sound generation channel number for sound generation processing: Indicates the sound generation channel number for processing.

TDNF rapid decay incomplete flag: Indicates by "1" that any tone generation channel is undergoing rapid decay. [Pre-assigner task] GN Music tone generation channel number PLEV GN Music tone generation channel number GN pre-assigner pronunciation amount N Pre-assign rank PASS N Nth pre-assign rank Music tone generation channel number:
The tone generation channel number of the tone generation channel having the pre-assigned rank Nth is shown.

PACN Number of assignable tone generation channels for pre-signer: Shows the number of assignable tone generation channels in the pre-assigner task. PCTN Repeated hit processing number RSEF Repeated hit detection flag: Indicates the continuous hit detection by "1". SCTN Continuous hit comparison target number PASS PCTN Continuous hit processing target number PCTN tone generation channel number: Indicates the tone generation channel number whose pre-assign order is PCTN consecutive hit processing number PCTN.

PLEV PCTN Pre-assigner sound generation amount of continuous hit processing number PCTN: The tone generation channel number indicates the pre-assigner sound output amount of the continuous hit processing target number PCTN. PASS SCTN Tone generation channel number of consecutive hit comparison number SCTN: Indicates the tone generation channel number of pre-assigned rank consecutive hit comparison number SCTN. PLEV SCTN Pre-assigner sound volume of consecutive hit comparison target number SCTN: Indicates the pre-signer pronunciation amount of the tone generation channel number of consecutive hit comparison target number SCTN. [Envelope task] ECTN Envelope processing target number ENNM Envelope processing target number [Pedal task] DMPV damper value In this embodiment, various tasks (key data receiving task, main assigner task, sounding task, pre-assigner task, envelope task) , Pedal task, operator task) are processed in multitasking,
The monitor program performs priority processing between tasks. Here, the monitor program includes a reset routine, an event wait monitor call routine, an event occurrence monitor call routine, a timer interrupt processing routine, and a key data reception interrupt processing routine.

First, the monitor program will be described with reference to the flow charts shown in FIGS. Reset Routine (FIG. 6) This routine is executed when a reset is applied when the power is turned on. The processing in each step ZA1 and ZA2 is as follows.

[ZA1] The statuses of all task numbers in the task management map are set to "1: ready", and the timer processing request flag, wait event value, and event occurrence flag are set to "0". Further, initial setting such as setting the initial setting completion flag IEDF to “0: incomplete initial setting” is performed. [ZA2] The request source task number NSTK is updated to "1: key data reception task", and the status of the task number "1: key data reception task" in the task management map is set to "0: run".

[ZA3] The key data reception task is executed. Event wait monitor call routine (FIG. 7) This routine is executed when the task under execution makes an event wait monitor call. The processing in each step ZB1 to ZB5 is as follows. [ZB1] For the task number corresponding to the request source task number NSTK in the task management map, one of the event occurrence flags corresponding to the bit that is “1” in the binary representation of the request source event value NSET is “1: event occurrence”. It is determined whether or not it is ". If any of the corresponding event generation flags is "1: event generation", the process returns to the task that made the event wait monitor call.

In determining the event occurrence flag, for example, the first event occurrence flag is set when the request source event value NSET is "1", and the second event is set when the request source event value NSET is "2". If the occurrence flag and the request source event value NSET are "3", the first and second
Determine the event occurrence flag. [ZB2] In the determination in step ZB1, when none of the determination target event occurrence flags is “1” and does not indicate the occurrence of an event, the task number corresponding to the request source task number NSTK in the task management map Set the status to "2: wait" and set the wait event value to the request source event value NSET. In addition, interruption processing such as saving the contents of registers in use in the request source task to the stack area in preparation for resumption of processing (hereinafter simply referred to as request source task interruption processing)
I do.

[ZB3] Check the task management map,
A "ready" task whose priority is lower than the task that made the event wait monitor call and the corresponding status indicates "1: ready" is searched for in the order of task numbers. If there is no "ready" task whose status is "1: ready", the request source task number NSTK is "8" indicating sleep.
Set to sleep. From the sleep, a timer interrupt processing routine or a key data reception interrupt processing routine, which will be described later, is activated based on a hardware interrupt from the timer 27 or the key operation detection circuit.

[ZB4] When the highest priority "ready" task is found in step ZB3, the request source task number
NSTK is updated to the task number of the highest priority "ready" task, and the status of the task number of the highest priority "ready" task in the task management map is "0:
Set to “Run”. [ZB5] Executes the task corresponding to the request source task number NSTK. When executing the task, restore the data saved in the stack area to the original registers in the task interrupt processing, etc. Restart processing (hereinafter, simply referred to as restart processing).

Event Occurrence Monitor Call Routine (FIG. 8) This routine is executed when the task under execution makes an event occurrence monitor call. The processing in each step ZC1 to ZC7 is as follows. [ZC1] For the task number corresponding to the requested task number NDTK in the task management map, the event occurrence flag corresponding to the bit that is "1" in the binary representation of the requested event value NDET is set to "1". For example,
When the requested event value NDET is "1", the first event occurrence flag is set, and when the requested event value NDET is "2", the second event occurrence flag is set to "1".

[ZC2] It is determined whether or not the status of the task number corresponding to the requested task number NDTK in the task management map is "2: wait" and the wait event value corresponds to the requested event value NDET. If the status is not “2: wait” or the wait event value does not correspond to the request destination event value NDET, the task that made this monitor call is returned to.

The wait event value is the request destination event value.
Whether or not NDET is supported is determined by checking if any of the bits in the binary representation of the requested event value NDET corresponding to the bit that is "1" in the binary representation of the wait event value is "1". Depending on whether or not there is. For example, if the wait event value is "1", the first bit of the request destination event value NDET is "1", and if the wait event value is "2", the second bit of the request destination event value NDET is When the wait event value is "1" and the wait event value is "3", it is determined that the request destination event value NDET corresponds when the first or second bit is "1".

[ZC3] In the determination in step ZC2, when the status of the determination target is "2: wait" and the waiting event value corresponds to the requested event value NDET, this status is set to "1: ready". To do. [ZC4] Request destination task number NDTK is the request source task number
Whether or not the priority of the requested task is higher than that of the requested task is determined by whether or not it is less than NSTK. If the request-destination task number NDTK is not less than the request-source task number NSTK and the priority of the request-destination task is not high, the task that made the monitor call is returned to.

[ZC5] In the determination at step ZC4, the request destination task number NDTK is the request source task number NS.
If the priority of the request destination task is less than TK and the priority of the request destination task is high, the status of the task number corresponding to the request source task number NSTK in the task management map is set to "1: ready" and the request source is prepared in preparation for restarting the processing. Performs task suspension processing.

[ZC6] The request source task number NSTK is updated to the request destination task number NDTK, and the status of the task number corresponding to the request destination task number NDTK in the task management map is set to "0: run". [ZC7] The task having the task number corresponding to the requested task number NDTK is executed. When executing a task, the task is restarted.

Timer Interrupt Processing Routine (FIG. 9) When a timer interrupt is issued from the timer 27, the timer counter corresponding to each task is checked first, and if the value of this timer counter exceeds "1", that timer counter is processed. The value of is decremented by "1", and if it does not exceed "1", the first event occurrence flag of the task number of the task in the task management map is set to "1: event occurrence" and this task number When the status of the task is "2: wait", the status is set to "1: ready", and the task with the next highest priority is judged sequentially to determine whether or not the task should be executed, and the condition is first set. It is a routine that executes the tasks to be satisfied. The processing in each of the steps ZD1 to ZD16 is as follows.

[ZD1] It is determined whether or not the initial setting completion flag IEDF is "1: initial setting completed". If the initialization completion flag IEDF is not "1", the initialization of all tasks has not been completed yet, so the timer interrupt processing is terminated and the processing before the timer interrupt is returned.
If the value is "1", the initial setting of each task, which will be described later, has been completed, and the process proceeds to the next step ZD2.

[ZD2] The timer interrupt processing target number TCTN indicating the task number of the timer interrupt processing target is set to "7". [ZD3] It is determined whether or not the timer process request flag of the task number corresponding to the timer interrupt process target number TCTN in the task management map is "1: request". If the timer processing request flag is not "1", the process proceeds to step ZD8.

[ZD4] If it is determined in step ZD3 that the timer processing request flag to be determined is “1: request”, it is determined whether the TCTN task timer counter value TCNE TCTN exceeds “1”. To judge.
This 1st TCTN task timer counter value TCNE TCTN is “1”
If it exceeds, the process proceeds to step ZD10. [ZD5] In the determination in step ZD4,
TCTN task timer counter value TCNE If TCTN does not exceed "1", first TCTN task timer counter value
The TCTN task time interval TCND TCTN is added to TCNE TCTN, and the added value is set as a new TCNE task timer counter value TCNE TCTN. Next, the first event generation flag of the task number corresponding to the timer interrupt processing target number TCTN in the task management map is set to "1: event generation".

[ZD6] The status of the task number corresponding to the timer interrupt processing target number TCTN in the task management map is "2: wait", and the first bit in the binary representation of the wait event value of that task number is "1".
(For example, it is determined whether or not the wait event value is “1”, “3”). If the status is not "2: wait" or the first bit in the binary representation of the wait event value is not "1", the process proceeds to step ZD8.

[ZD7] In the determination in step ZD6, when the status of the determination target is “2: wait” and the first bit in the binary representation of the wait event value of the determination target is “1”, task management Set the status of the task number corresponding to the timer interrupt processing target number TCTN in the map to "1: ready". [ZD8] It is determined whether the timer interrupt processing target number TCTN exceeds "1". If the timer interrupt processing target number TCTN does not exceed "1", the process of setting the event occurrence flag is completed, and the process proceeds to step ZD11.

[ZD9] If it is determined in step ZD8 that the timer interrupt processing target number TCTN exceeds "1", the timer interrupt processing target number TCTN is decremented by "1" and the process returns to step ZD3. [ZD10] In the determination in step ZD4,
TCTN task timer counter value TCNE If TCTN exceeds “1”, TCTN task timer counter value TCNE
Decrement TCTN by "1" and proceed to step ZD8.

[ZD11] Timer interrupt processing target number
It is determined whether TCTN is less than the request source task number NSTK indicating the processing before the timer interrupt is generated in this routine. If the timer interrupt processing target number TCTN is not less than the request source task number NSTK, the priority of the task being executed when the timer interrupt occurred is not lower than the priority of the task corresponding to the processing target number TCTN. Terminates interrupt processing and returns to the task.

[ZD12] If it is determined in step ZD11 that the timer interrupt processing target number TCTN is less than the request source task number NSTK, the status of the task number corresponding to the timer interrupt processing target number TCTN in the task management map is " 1: determine whether or not it is “ready”. If the status is not "1", the process proceeds to step ZD16.

[ZD13] In the determination in step ZD12, the status of the determination target is "1: ready".
If it is, the status of the task number corresponding to the request source task number NSTK in the task management map is “1:
In addition to setting to "Ready", the task corresponding to the request source task number NSTK is interrupted in preparation for the resumption of processing.

[ZD14] The request source task number NSTK is updated to the timer interrupt processing target number TCTN, and the status of the task number corresponding to the timer interrupt processing target number TCTN in the task management map is set to "0: run". [ZD15] A timer event is generated. In other words, the task with the task number corresponding to the timer interrupt processing target number TCTN is executed. When executing a task, the task is restarted.

[ZD16] In the determination in step ZD12, the status of the determination target is “1: ready”.
If not, the timer interrupt processing target number TCTN is incremented by "1" and the process returns to step ZD11. Key data reception interrupt processing routine (FIG. 10) This routine is executed when a key operation detection circuit receives an interrupt to generate a key data reception event. The processing in each step ZE1 to ZE6 is as follows.

[ZE1] It is determined whether or not the initialization completion flag IEDF is "1: complete". If the initialization completion flag IEDF is not "1", the initialization of all the tasks has not been completed yet, so the key data reception interrupt process is terminated and the process returns to the process before the generation of the key data reception interrupt. [ZE2] If the initial setting completion flag IEDF is "1: complete" in the determination at step ZE1, the first event occurrence flag of the task number "1: key data reception task" in the task management map is "1: occurred". Set to ".

[ZE3] It is determined whether or not the status of the task number "1: key data reception task" in the task management map is "2: wait" and the wait event value is "1: wait for key data reception event". To do. If the status is not "2: wait" or the wait event value is not "1: wait for key data reception event", the key data reception interrupt process is terminated and the process returns to the process before the key data reception interrupt occurs.

[ZE4] In the determination in step ZE3, when the status of the determination target is "2", the wait event value is "1" and the key data reception event is waiting, before the key data reception interrupt occurs in the routine. It is determined whether or not the request source task number NSTK indicating the processing of is less than “8”. If the request source task number NSTK is less than "8", the status of the task number corresponding to the request source task number NSTK in the task management map is set to "1: ready" and a timer is provided in preparation for restarting the process. Performs interrupt processing of the task before the interrupt occurred. If it is not less than "8", no special processing is required.

[ZE5] The request source task number NSTK is updated to the task number "1: key data receiving task", and the status of the task number "1: key data receiving task" in the task management map is changed to "0: run". Set. [ZE6] Generate a key data reception event. In other words, the key data reception task is executed. When executing the task, the key data receiving task is restarted.

Next, each task is a key data receiving task,
The main assigner task, the pronunciation task, the pre-assigner task, the envelope task, the pedal task, and the operator task will be described in this order. In addition, at the time of the first processing in each task after the reset is applied at the time of turning on the power, etc., it starts from the first step, for example, the key data receiving task described below from step A1. Also, when interrupting the processing of a certain task and restarting the processing after that,
The suspended process is restarted so that the process at the time of suspension in this task is continued. For example, if an event wait monitor call is made in step A2 of the key data reception task and interrupt processing is performed instead of an event occurrence in the judgment in the event wait monitor call routine, then key data reception interrupt occurs and the key data reception When the restart processing is performed in the interrupt routine, the processing is restarted from step A3 following the event waiting monitor call in step A2.

Key data receiving task (FIG. 11) When a key data receiving event occurs, the key data is read from the key operation detecting circuit and an assignment request event is generated. The processing in each of the steps A1 to A7 is as follows. [A1] Clear the note map and set variables and the like occupied by the key data receiving task to initial values.

[A2] Request source event value NSET is set to "1"
Set to and make an event wait monitor call. When the key data reception event occurs, the process proceeds to the next step A3. [A3] Task number “1:” in the task management map
The first event occurrence flag and the wait event value of the "key data reception task" are set to "0". [A4] The key data is read from the key operation detection circuit,
The note number, note status and note velocity of this key data corresponds to the note number NTN
M, note status NTST and velocity NTVL.

[A5] Note status NTST is "1:"
It is determined whether or not the key is pressed. This note status
If NTST is not "1", go to the next step A6,
If it is "1", the process proceeds to step A7. [A6] The note status of the note number corresponding to the note number NTNM in the key release processing note map is set to "0", and step A
Return to 2.

[A7] Key Depressing Process First, the note status of the note number corresponding to the note number NTNM in the note map is set to "1". Next, an assign request event is generated. In other words,
Requested task number NDTK is "2: Main assigner task"
Then, the requested event value NDET is set to "1" and an event occurrence monitor call is made. Then, the process returns to step A2.

When an assign request event occurs in the main assigner task (FIG. 12) , the note number NTNM is displayed in a predetermined area of the tone generation channel management map based on the assign order set in the pre-assigner task described later.
It is a task to write the etc. and generate a pronunciation request event. The processing in each of the steps B1 to B7 is as follows.

[B1] The tone generation channel management map is cleared and the variables occupied by the main assigner task are set to initial values. Further, the N-th assigned musical tone generation channel number MASS N (N is 0, 1, ... 15) is set to each corresponding “N (= 0,1, -15)”. Further, the target assign order TASN is set to "0", and the number of assignable tone generation channels GACN is set to "16" which is the maximum number.

[B2] The request source event value NSET is set to "1".
Set to and make an event wait monitor call. When an assign request event occurs, the process proceeds to the next step B3. [B3] Task number “2: in task management map”
The wait event value of the "main assign task" and the first event occurrence flag are set to "0".

[B4] It is determined whether or not the target assign order TASN is less than the number of allocatable tone generation channels GACN. If the target assignment order TASN is not less than the number of allocatable tone generation channels GACN, there is no more tone generation channel to be assigned anymore, and the process returns to step B2. [B5] If the target assignment order TASN is less than the number of assignable tone generation channels GACN in the determination in step B4, the processing of the tone generation channel number corresponding to the tone generation channel number MASS TASN of the assignment order TASN in the tone generation channel management map is processed. The waiting flag 1, the processing waiting flag 2 and the processing waiting flag 3 are set to "1; waiting for processing", the note number to the note number NTNM, the note status to "1" and the velocity to the velocity NTVL. Further, the main assigner processing flag MAEF is set to "1: main assigner processing".

[B6] A sounding request event is generated.
In other words, the request generation task number NDTK is set to "3: sounding task" and the request destination event value NDET is set to "2" to make an event occurrence monitor call. [B7] The target assignment order TASN is incremented by "1" and the process returns to step B2.

Sounding task (FIGS. 13 (A) and (B)) When a sounding request event occurs, a new sound is generated. If the previous sounding is not finished in the sound generation channel, the start of rapid attenuation is instructed ( (1st processing), based on the note number NTNM, etc., parameters for musical tone generation are calculated and set (2nd processing), and when the pronunciation is finished, or when finished, a new pronunciation is made to the musical tone generation channel. Is a task for instructing (third processing). The processing in steps C1 to C27 is as follows.

[C1] The variables occupied by the task are set to initial values, the rapid decay end FIFO for storing the tone generation channel number for which rapid decay is finished is cleared, and the tone generation circuit 30 is initialized. Turn into. Also, with the third task timer counter value TCNE 3,
The third task time interval TCND 3 is set to “0”, and the timer processing request flag of the task number “3: sounding task” in the task management map is set to “1: request”.

[C2] Request source event value NSET is set to "2"
Set to and make an event wait monitor call. When a sound generation request event occurs, the process proceeds to the next step C3. [C3] First, the waiting event value of the task number “3: Sounding task” and the second event occurrence flag in the task management map are set to “0”, and then the tone generation target tone generation channel number GCTN is set to “0”. Set to ".

[C4] It is determined whether or not the processing wait flag 1 of the tone generation channel number corresponding to the tone generation target tone generation channel number GCTN in the tone generation channel management map is "1: waiting for processing". If the processing wait flag 1 is "1", the process proceeds to the next step C5,
If it is not "1" and the first process (steps C5 to C7) is unnecessary, the process proceeds to step C8.

[C5] The envelope level of the envelope channel number corresponding to the tone generation channel number GCTN to be sounded in the envelope management map is "0".
Or not. If the envelope level is not "0", the process proceeds to the next step C6, and is "0".
If the rapid damping process is unnecessary in step C7, the process proceeds to step C7.

[C6] The rapid decay flag of the tone generation channel number corresponding to the tone generation target tone generation channel number GCTN in the tone generation channel management map is set to "1;"FFFF
Set to H "and instruct the corresponding tone generation channel to perform rapid attenuation. When instructing rapid attenuation, set the target value to" 0 "and set the rate to the rapid attenuation rate to generate the corresponding tone. Transfer to channel.

[C7] The processing wait flag 1 of the tone generation channel number corresponding to the tone generation target tone generation channel number GCTN in the tone generation channel management map is set to "0". [C8] It is determined whether the tone generation channel number GCTN to be sounded is less than "15". If the tone generation channel number GCTN subject to the tone processing is less than "15", the process proceeds to the next step C9. If the tone generation channel number GCTN is not less than "15" and the first process has been completed for all tone generation channels, the step is performed. Proceed to C10.

[C9] The tone generation target tone generation channel number GCTN is incremented by "1" to prepare for the processing of the next tone generation channel, and the process returns to step C4. [C10] The tone generation channel number GCTN to be sounded is set to "0". [C11] The processing wait flag 2 of the tone generation channel number corresponding to the tone generation channel number GCTN to be sounded in the tone generation channel management map is set to "1: waiting for processing".
Or not. If the processing wait flag 2 is "1", the process proceeds to the next step C12,
If it is not "1" and the second process (step C12) is unnecessary, the process proceeds to step C13.

[C12] The values of various parameters relating to the generation of musical tones and the envelope generation of musical tones of the musical tone generation channel corresponding to the musical tone generation channel number GCTN to be sounded are set as the musical tone generation channels to be processed in the musical tone generation channel management map. The note number of the tone generation channel number corresponding to the number GCTN, the velocity, and the tone color parameter group set in step G4 of the operator data reception task described later are calculated, and the values of the various calculated parameters are calculated. Musical tone generation channel number of tone generation target tone generation channel number in management map and musical tone generation parameter group of tone generation target tone generation channel number in envelope management map and envelope generation parameter of envelope channel number corresponding to tone generation target tone generation channel number GCTN in management map Set of the corresponding parameter. At the same time, the processing wait flag 2 is set to "0".

[C13] It is determined whether or not the tone generation target tone generation channel number GCTN is less than "15". If the tone generation channel number GCTN to be sounded is less than "15", the process proceeds to the next step C14, and is "15".
If it is not less than, it proceeds to step C15. [C14] The tone generation channel number GCTN to be sounded is incremented by "1" and the process returns to step C11.

[C15] The rapid decay unfinished flag TDNF and the tone generation target tone generation channel number GCTN are set to "0". [C16] The processing wait flag 3 of the tone generation channel number corresponding to the tone generation channel number GCTN to be sounded in the tone generation channel management map is set to "1: waiting for processing".
Or not. When the processing wait flag 3 is "1", the process proceeds to the next step C17,
Not the "1" but the third process (steps C17, C18, C
If step 21) is unnecessary, the process proceeds to step C19.

[C17] The rapid decay flag of the tone generation channel number corresponding to the tone generation target tone generation channel number GCTN in the tone generation channel management map is "1:".
It is determined whether or not "during rapid decay". If the rapid decay flag is not "1", the process proceeds to the next step C18, and if "1", it is assigned before in the tone generation channel to be assigned. Since the pronunciation of the musical tone that has been played has not been finished yet, the process proceeds to step C21.

[C18] The target value of the first phase, the rate, and the truncation prohibition phase number are calculated and calculated based on the envelope generation parameter group of the envelope channel number corresponding to the tone generation channel number GCTN to be sounded in the envelope management map. The target value of the envelope management map, the rate and the truncation prohibition phase number are set to the value of, and the phase number is set to "1" and the envelope level is set to "0".

[8000] is added to the upper 15 bits of the attack level included in the envelope generation parameter group for the tone generation amount of the tone generation channel number corresponding to the tone generation channel number GCTN to be sounded in the tone generation channel management map. The truncation prohibition flag is set to "1: truncation prohibition" to the specified value. In addition, the tone generation parameter group of the tone generation channel number corresponding to the tone generation target tone generation channel number GCTN in the tone generation channel management map and the target value of the envelope channel number corresponding to the tone generation target tone generation channel number GCTN in the envelope management map And the rate are transferred to the tone generation channel corresponding to the tone generation target tone generation channel number GCTN in the tone generation circuit 30. Also,
The processing wait flag 3 is set to "0" and the corresponding tone generation channel is instructed to start tone generation.

[C19] It is judged whether or not the tone generation target tone generation channel number GCTN is less than "15". When the tone generation channel number GCTN to be sounded is less than "15", the process proceeds to the next step C20, and is "15".
When it is not less than, it proceeds to step C22. [C20] The tone generation channel number GCTN to be sounded is incremented by "1" and the process returns to step C16.

[C21] The rapid decay incomplete flag TDNF is set to "1: incomplete", and the process proceeds to step C19. [C22] It is determined whether or not the rapid decay incomplete flag TDNF is "1: incomplete". When the rapid decay incomplete flag TDNF is "1", the process proceeds to the next step C23,
If it is not "1" and all tone generation processing has been completed, the process returns to step C2.

[C23] The request source event value NSET is set to "3" and an event wait monitor call is performed. When either the sound generation request event or the timer event for the sound generation task occurs, the process proceeds to the next step C24. [C24] The second event occurrence flag of the task number "3: Sounding task" in the task management map is "1".
Or not. When the second event occurrence flag is not "1", the process proceeds to the next step C25,
If it is "1", it means that a sound generation request event has occurred, and therefore the process returns to step C3.

[C25] Since the timer event in which the first event occurrence flag of the task number "3: Sounding task" in the task management map is "1", the task number "3: Sounding" in the task management map is first generated. The wait event value of the task "and the first event occurrence flag are set to" 0 ". [C26] It is determined whether or not the rapid attenuation end FIFO provided in the musical sound generating circuit 30 is “empty”. If this rapid decay end FIFO is "empty", step C
23, and if it is not "empty", the next step C27
Proceed to. .

[C27] The tone generation channel numbers of the tone generation channels whose envelope levels have become “0” by the rapid decay process from the rapid decay end FIFO are sequentially lowered, and the tone generation channels corresponding to the lowered tone generation channel numbers The rapid decay flag of the tone generation channel number in the management map is set to "0". Then, the process returns to step C15.

Pre-assigner task (FIG. 14) This task starts execution when a timer event corresponding to the pre-assigner task occurs, and updates the assignment order based on the tone generation amount. The processing in each of the steps D1 to D13 is as follows. [D1] The envelope management map is cleared and the variables occupied by this pre-assigner task are set to initial values. Also, the fourth task timer counter value TCNE
4 is set to “5” and the fourth task time interval TCND 4 is set to “4”. Further, the timer processing request flag of the task number “4: pre-assigner task” in the task management map is set to “1: request”. [D2] The request source event value NSET is set to "1" and an event wait monitor call is made. When a timer event for the pre-assigner task occurs, the process proceeds to the next step D3.

[D3] The wait event value of the task number "4: pre-assigner task" and the first event occurrence flag in the task management map are set to "0". [D4] N-th pre-assigned order tone generation channel number
Set PASS N to each corresponding "N (= 0,1, ... 15)". Here, the Nth preassigned tone generation channel number PASS N indicates the tone generation channel number of the Nth preassigned tone generation channel.

[D5] Main assigner processing flag MA
Set EF to “0”. [D6] The tone generation amount of each tone generation channel number of the tone generation channel management map, which is set in steps C6 and C18 of the tone generation task and is updated in step E13 of the envelope task to be described later, is set to the tone generation channel number GN. In addition to the pre-signer pronunciation volume PLEV GN, check the number of tone generation channels (in other words, the tone generation channels that have finished the attack in the so-called ADSR expression and are not in rapid decay) with the pronunciation amount less than “8000H”. , The number of musical sound generation channels that can be assigned to the pre-assigner is PACN.

[D7] Nth pre-assigned order tone generation channel number PASS N corresponds to the tone generation channel number
GN Pre-Assigner Sound volume PLEV GN is sorted in ascending order. For example, the pre-assigner pronunciation volume PLEV GN is PLEV 3 <
If PLEV 5 <PLEV 2 ... In that order, the Nth preassigned tone generation channel number PASS N is PASS 0 =
3, PASS 1 = 5, PASS 2 = 2 ...

[D8] A continuous hit processing routine is executed.
The contents of this continuous hitting processing routine will be described later in detail with reference to the flow chart shown in FIG. [D9] Lock the task. In other words, the interrupt from the key operation detection circuit and the timer circuit 27 is prohibited.
Execution of other tasks is prohibited until the task lock is released, and the continuation of execution of the task is guaranteed.

[D10] Main assigner processing flag
It is determined whether or not MAEF is “0: Not processing”. When the main assigner processing flag MAEF is "0", the process proceeds to step D12. [D11] If the main assigner processing flag MAEF is not "0" in the determination of step D10, in other words, the main assigner task is executed by a series of processing based on a new key operation on the keyboard during the processing of steps D6 to D8. Then, since the tone generation mode of the tone generation channel is different from that at the start of step D6, the process returns to step D4 to release the task lock and reset.

[D12] First, the N-th pre-assigned tone generation channel number PASS N is set as the corresponding N-th assigned tone generation channel number MASS N, and
Set the target assignment order TASN to "0". Also, the number PACN of musical tone generation channels that can be assigned by pre-assigner is the number GACN of musical tone generation channels that can be assigned. [D13] The task lock is released and the process returns to step D2. An interrupt that occurs during task lock is executed after task lock is released.

Repeated Stroke Processing Routine (FIG. 15) Pre-Assigner Sound Generation Level PLEV GN for Musical Sound Generation Channel Number GN
Is a routine for checking the continuous hitting relationship in order from the tone generation channel having the smallest number, and in the case of repeated hits, reduces the pre-assigner tone generation amount PLEV GN of the tone generation channel number GN to 1/10 and resets it. The processing in steps D801 to D814 is as follows.

[D801] The consecutive hit processing target number PCTN and the consecutive hit detection flag RSEF are set to "0". [D802] Whether or not the continuous hit processing target number PCTN exceeds the number of musical sound generation channels PACN that can be assigned to the pre-assigner,
Alternatively, it is determined whether or not it is "15". If this continuous hit processing target number PCTN exceeds the number of pre-assigner allocatable tone generation channels PACN or is "15", consecutive hit detection for all allocatable tone generation channels or all tone generation channels except the last channel has been detected. To step D813, and if not exceeded and "1
If it is not 5 ", the process proceeds to the next step D803.

[D803] Pre-assigner amount of tone generation channel number of continuous tone processing target number PCTN PLEV PASS PC
Judge whether TN exceeds “0”. When this pre-assigner tone generation amount PLEV PASS PCTN does not exceed "0", the process proceeds to the next step D804, and when it exceeds "0", the process proceeds to step D805. [D804] The continuous hit processing target number PCTN is incremented by "1", and the process returns to step D802.

[D805] The consecutive hit comparison target number SCTN is set to a value obtained by adding "1" to the consecutive hit processing subject number PCTN. [D806] Tone generation channel number of consecutive hit processing target number PCTN in tone generation channel management map PASS PCTN
It is determined whether the note number of the tone generation channel number corresponding to and the tone generation channel number of the consecutive hit comparison number SCTN are the same as the note number of the tone generation channel number corresponding to PASS SCTN. If these note numbers are not the same, the process proceeds to the next step D807, and if they are the same, the process proceeds to step D809.

[D807] It is determined whether the consecutive hit comparison target number SCTN is less than "15". If the continuous hit comparison target number SCTN is less than "15", the process proceeds to the next step D808. If it is not less than "15", step D8.
Go to 04. [D808] The consecutive hit comparison target number SCTN is incremented by "1" and the process returns to step D806.

[D809] Whether or not the rapid decay flag of the tone generation channel number corresponding to the tone generation channel number PASS SCTN of the consecutive hit comparison number SCTN in the tone generation channel management map is “1: rapid decay” to decide. If the rapid decay flag is "1" and rapid decay is in progress, it is inappropriate to consider it as a continuous hit, so step D80.
4. If it is not "1", the next step D810
Proceed to.

[D810] Pre-assigner sound output amount of tone generation channel number of continuous hit comparison number SCTN PLEV PASS SC
It is determined whether TN is less than “8000H”, in other words, whether the attack is finished. If this pre-assigner pronunciation amount PLEV PASS SCTN is not less than "8000H", it means that the attack is in progress and the next step D811.
If it is less than this, the attack has ended, so the process proceeds to step D812.

[D811] Pre-assigner sound output amount of tone generation channel number of continuous hit processing number PCTN PLEV PASS PC
TN is the tone generation channel number of consecutive hit comparison number SCTN
PASSSCTN Pre-Assigner Sound Volume PLEV PASS SCTN Whether it is less than the value obtained by subtracting "8000H". In other words, the tone generation channel number PA of the continuous hit processing number PCTN.
The envelope level of the tone generation channel of SS PCTN is
Repeated tone comparison target number SCTN tone generation channel number PASS SCT
It is determined whether or not it is lower than the attack level of the N tone generation channels. If the envelope level is less than the attack level, the process proceeds to the next step D812, and if it is not less than the attack level, the tone generation channel number PASS PCTN pre-assigner pronunciation amount PLEV P of the continuous hit processing number PCTN.
It is inappropriate to change ASS PCTN, so step D807
Proceed to.

[D812] First, repeated hit detection flag RSEF
Is set to “1: continuous hit detection”. Next, the pre-assigner pronunciation amount PL of the tone generation channel number of the continuous hit processing target number PCTN
Change EV PASS PCTN to reduce it to 1/10 of its value. If the pre-assigner pronunciation amount after the change is less than "1" in order to give priority to the assignment order of the tone generation channels whose pronunciation has ended, over the assignment order of the tone generation channels whose pre-assigner pronunciation amount has been changed by repeated hit processing. For example, the value is set to a predetermined value (“1” in this embodiment).
Then, the process returns to step D804.

[D813] It is determined whether the continuous hit detection flag RSEF is "1: continuous hit detection". If the consecutive hit detection flag RSEF is not "1", the consecutive hit is not detected. Therefore, the routine is ended and the process returns to step D9. If the consecutive hit detection is "1", the next step D8 is performed.
Proceed to 14. [D814] The same process as step D7 is performed. When this process ends, the routine ends and step D9
Return to.

In step D812, if the continuous hits are made, the pre-assigner sounding level PLEV PASS PCTN is changed to 1/10 of the value, but the coefficient is changed according to the tone color, pitch, or the pre-signer sounding amount is set to " It may be a predetermined value such as 1 ″. Further, the predetermined value set when the pre-assigner sound output is less than "1" may be changed according to the tone color or the like.

In step D814, the order of the tone generation channels whose pre-assigner tone generation amount is less than "1" may be rearranged based on the envelope level. In short, the assigning order is set based on the pre-assigner pronunciation amount related to the envelope level, but for continuous hits, the pre-assigner pronunciation amount is changed and evaluated. Note that the tone generation channel that is rapidly decaying is excluded from the continuous hit comparison target, and the tone generation channel with the largest sound output among the tone generation channels that are in the continuous hit relationship and the comparison target tone generation channel are both under attack and their attack level. For a tone generation channel with a larger envelope level, the pre-assigner tone generation amount is not changed.

Envelope task (FIG. 16) Execution starts when a timer event for the task occurs, and the envelope level and sound level of each envelope channel are updated in sequence, and note status, sostenuto status, damper value, and envelope generation parameter are also set. This is a task of calculating a new target value and rate based on the above, and transferring the new target value and rate to the tone generation channel of the tone generation circuit 30. Steps E1 to E1
The processing in 4 is as follows.

[E1] The variables occupied by the task are set to initial values. Further, the fifth task timer counter value TCNE 5 is set to “4” and the fifth task time interval TCND 5 is set to “4”. Further, the timer processing request flag of the task number “5: envelope task” in the task management map is set to “1: request”. [E2] Set the request source event value NSET to "1" and make an event wait monitor call. When the envelope task timer event occurs, the process proceeds to the next step E3.

[E3] The waiting event value of the task number "5: envelope task" and the first event occurrence flag in the task management map are set to "0", and the envelope processing target number ECTN is set to "0". . [E4] Lock the task. [E5] It is determined whether or not the rapid attenuation flag of the tone generation channel number corresponding to the envelope processing target number ECTN in the tone generation channel management map is "1: rapid attenuation in progress". If the flag during rapid decay is not "1", the process proceeds to the next step E6. If the flag is "1", the envelope process by the task is unnecessary, and the process proceeds to step E14.

[E6] It is determined whether the target value of the envelope channel number corresponding to the envelope processing target number ECTN in the envelope management map is "0" and the envelope level is "0". When the target value is "0" and the envelope level is "0", the sound generation has ended, so the sound generation amount of the tone generation channel number corresponding to the envelope processing target number ECTN in the tone generation channel management map. Is set to "0" and the truncation prohibition flag is set to "0", and step E1 is set.
4. If either of them is not "0", proceed to the next step E7.

[E7] The envelope level and rate of the envelope channel number corresponding to the envelope processing target number ECTN in the envelope management map are added to form a new envelope level, and the phase number is incremented by "1" and a musical tone is generated. Envelope processing number ECTN in channel management map
The note number of the tone generation channel number corresponding to is read out and set as the note number ENNM to be envelope-processed.

[E8] It is determined whether or not the note status of the note number corresponding to the envelope processing target note number ENNM in the note map is "1: key depression". If the note status is not "1", go to the next step E9, and if it is "1", go to step E11.
Proceed to. [E9] It is determined whether the sostenuto status of the note number corresponding to the envelope processing target note number ENNM in the note map is “1: sostenuto on”. If the sostenuto status is "1", the process proceeds to step E11.

[E10] If the sostenuto status is not "1" in the judgment of step E9, the key has already been released, and the step F4 of the pedal task described later is performed.
As will be described in Section 1, the sostenuto pedal is not depressed, or even if the sostenuto pedal is depressed, the key has already been released at the time of depression, so the envelope processing corresponding to the key release is performed. In other words,
The target value and rate of the envelope channel number corresponding to the envelope processing target number ECTN in the envelope management map is calculated and updated based on the damper value DMPV and the envelope generation parameter, and the target value and rate are handled by the tone generation circuit 30. Transfer to the tone generation channel. When the process is completed, the process proceeds to step E12.

[E11] If the note status is "1: key depression" in the judgment of step E8, or if the sostenuto status is "1: sostenuto on" in the judgment of step E9, the key is still being depressed. If there is, or even if the key is released, the sostenuto pedal is depressed and the key is being depressed at the time of depression, so the envelope process corresponding to the key depression is performed. In other words, the target value and rate are calculated and updated based on the damper value and the envelope generation parameter that have the maximum value of the target value and rate of the envelope channel number corresponding to the envelope processing number ECTN in the envelope management map. It is transferred to the corresponding tone generation channel of the tone generation circuit 30.

[E12] It is determined whether or not the phase number of the envelope channel number corresponding to the envelope processing target number ECTN in the envelope management map exceeds the truncation prohibited phase number. If this phase number does not exceed the truncate prohibition phase number, the process proceeds to step E14, and the tone generation amount is not updated. If the phase number exceeds the truncate prohibition phase number, the process proceeds to step E13 to update the tone generation amount.

[E13] The tone generation amount of the tone generation channel number corresponding to the envelope processing target number ECTN in the tone generation channel management map is updated to the upper 15 bits of the envelope level, and the envelope processing target number ECTN in the tone generation channel management map. The truncation prohibition flag of the tone generation channel number corresponding to is set to "0".

[E14] The task lock is released. [E15] Envelope processing target number ECTN is "15"
It is determined whether it is less than. If the envelope processing target number ECTN is not less than "15", step E
Return to 2. [E16] The envelope processing target number ECTN is incremented by "1" and the process returns to step E4.

Pedal task This is a task that starts execution when a timer event for the task occurs and detects the setting state of a pedal such as a damper pedal or a sostenuto pedal. Since this is a known technique, only the essential points will be described. Each step F1
The processing from F4 to F4 is as follows.

[F1] First, a new pedal map that stores the new pedal setting state for each pedal, an old pedal map that stores the previous pedal setting state for each pedal, variables that are occupied by the task, etc. Is set to the initial value. Next, set the sixth task timer counter value TCNE 6 to “11”.
Then, the sixth task time interval TCND 6 is set to “9”.
Further, the timer processing request flag of the task number “6: Pedal task” in the task management map is set to “1”.

[F2] Request source event value NSET is set to "1".
Set to and make an event wait monitor call. In addition,
When a pedal task timer event occurs, the process proceeds to the next step F3. [F3] Task number “6: in task management map”
The waiting event value of the "pedal task" and the first event occurrence flag are set to "0".

[F4] Based on the known technique, each pedal is scanned in a predetermined sequence to read the setting state, and it is determined whether or not the setting state has changed, and if there is a change, a corresponding process is performed. For example, if the setting state of the damper pedal has changed, the depression amount of the new damper is set to the damper value DMPV.
And When the sostenuto pedal is depressed, the sostenuto status of each note number in the note map is updated to be the same as the corresponding note status. Further, when the sostenuto pedal is returned, the sostenuto status of each note number in the note map is set to "0". If there is no change or if the corresponding process is completed, step F
Return to 2.

Manipulator task (FIG. 17) This task starts execution when a timer event for the task occurs, and detects the setting state of the manipulator group 23 for selecting a tone color or setting parameters relating to a tone color. Since this is a known technique, only the essential points will be described. The processing in each step G1 to G4 is as follows.

[G1] First, a new manipulator map that stores a new manipulator setting state for each manipulator, an old manipulator map that stores a previous manipulator setting state for each manipulator, and a manipulator The various parameters set corresponding to the operation of and the variables occupied by this operator task are set to initial values. Next, set the seventh task timer counter value TCNE 7 to "1.
The second task time interval TCND 7 is set to “9” in 2 ”. Further, the timer processing request flag of the task number“ 7: operator task ”in the task management map is set to“ 1 ”.
Set to.

[G2] The request source event value NSET is set to "1".
And the initial setting completion flag is set to "1" and an event wait monitor call is made. When an operator task timer event occurs, the next step G3
Proceed to. [G3] Task number “7: in task management map”
The wait event value of the "operator task" and the first event occurrence flag are set to "0".

[G4] Based on a known technique, each operator is scanned in a predetermined sequence to read the setting state, it is determined whether or not the setting state has changed, and if there is a change, a corresponding process is performed. For example, when the tone color number is changed, the tone color parameter group is changed. When there is no change or when the corresponding process is completed, the process returns to step G2.

Next, the overall operation of this embodiment described above will be described. (1) When the initialization power is turned on, after the processing by the monitor program reset routine ZA (steps ZA1 to ZA3), the key data receiving task (routine A), the main assigner task (routine B), the sounding task (routine C) , Pre-assigner task (routine D), envelope task (routine E), pedal task (routine F) and manipulator task (routine G) are initialized in sequence according to task priority (steps A1, A).
2, steps B1 and B2, steps C1 and C2, steps D1 and D2, steps E1 and E2, steps F1 and F
2, steps G1, G2). (2) Sound Generation Processing by Received Key Data When a key on the keyboard is operated and an interrupt occurs from the key operation detection circuit, the key data reception interrupt processing routine ZE of the monitor program is started.

(1 of 2) Since the key data reception interrupt processing routine ZE is in the state of waiting for the key data reception event (steps ZE1, ZE3), the task number "1: key data reception task" in the task management map The status of is set to "0: run" (step ZE5). Next, the key data reception task is executed (steps A2 to A7), the key data is read from the key operation detection circuit, and the note map is updated based on this key data. Is performed (step A7).

(2-2) In the event generation monitor call routine ZC of the monitor program, the task number "2: Main assigner task" in the task management map
The first event occurrence flag is set to "1" (step ZC1) and the status is set to "1: ready" (steps ZC2 and ZC3). Since the task priority of the key data reception task is higher than the task priority of the main assigner task, the key data reception task is restarted (step ZC4), and an event wait monitor call is made in this key data reception task. (Step A2).

(2-3) In the event waiting monitor call routine ZB of the monitor program, it is checked whether or not a key data reception event has occurred (step Z).
B1). As a result of this examination, since the next key data reception event has not occurred yet, the status of the task number "1: key data reception task" in the task management map is set to "2: wait" (step ZB2). ,
Examine the task management map (step ZB3). As a result of checking this task management map, since the task number of the highest priority task whose status is "1: ready" is "2: main assigner task", this task number "2: main assigner task" The status is set to "0: run" (step ZB4), and the main assigner task is executed (step ZB5). In this main assigner task, note numbers NTNM and the like are written in the tone generation channel management map (steps B2 to B5). next,
An event occurrence monitor call is made (step B6).

(2-4) In the event generation monitor call routine ZC of the monitor program, the second event generation flag of the task number "3: sounding task" in the task management map is set to "1" and the status is set to "1". : Ready ”. Since the task priority of the main assigner task is higher than the task priority of the pronunciation task, the main assigner task is restarted and the target assign order is incremented by "1" in this main assigner task. (Step B7), and an event waiting monitor call is made (step B2).

(2-5) It is checked whether or not an assign request event has occurred in the event wait monitor call routine ZB of the monitor program. As a result of this examination, since the next assignment request event has not yet occurred, the task number in the task management map "2: Main assigner task" is set to "2: Wait" and the task management map is examined. . As a result of checking this task management map, the task number of the task number "3: sounding task" is "0: because the task number of the highest priority task whose status is" 1: ready "is" 3: sounding task ". Set to "Run" to perform the pronunciation task. In this tone generation task, various parameters relating to tone generation are calculated and set based on the note number NTNM written in the tone generation channel management map, and the start of tone generation is instructed (steps C2-C27). Next, an event wait monitor call is made (step C2).

(2-6) It is checked in the event waiting monitor call routine ZB of the monitor program whether a sound generation request event has occurred. As a result of this examination, since the next pronunciation request event has not yet occurred, the task number “3: Sound task” in the task management map is set to “2: Wait” and the task management map is examined. As a result of checking this task management map, if the statuses of all task numbers are "2: wait", the task sleeps. (3) When the corresponding timer event occurs, the pre-signer task (routine D) updates the assignment order based on the tone generation amount of the tone generation channel management map (steps D2 to D13). Next, an event wait monitor call is made (step D2). (4) When the corresponding timer event occurs, the envelope task (routine E) generates the tone generation amount and envelope management map of the tone generation channel management map based on the note status, pedal data, tone generation channel management map and envelope management map. Update the envelope level etc. (steps E2-E1)
6). Next, an event wait monitor call is made (step E2).

As described above, in the present embodiment, the tone generation channel to which a new tone is assigned is the tone generation channel which is being rapidly attenuated to assign the tone generation, and the so-called attack during which a predetermined time has not passed from the start of tone generation. It is selected from the tone generation channels excluding the tone generation channels. It should be noted that the musical tone generation channels to be selected are assigned an order of assignment based on the evaluation sound output, and the evaluation sound output is changed based on the envelope level based on the continuous hitting relationship. In addition, the continuous hitting relationship is related to the tone generation channel in the sounding state
Of the tone generation channels excluding the tone generation channels whose pronunciation has ended) are excluded from the tone generation channels excluding the tone generation channels that are undergoing rapid decay for sound allocation.

To change the evaluation pronunciation amount based on the continuous hitting relation,
The processing is performed as follows. Among the tone generation channels excluding the tone generation channels that are rapidly decaying for tone allocation from the tone generation channels in the sound generation state, the tone generation amount that is not the maximum and the so-called attack ends after a predetermined time has elapsed from the start of the tone generation Change the evaluation pronunciation amount of the generation channel. Note that the attack level is used as the tone generation amount of the tone generation channel during the attack. The tone generation channel for which the tone generation amount of "0" has ended is not changed because the tone generation channel that has already finished the tone generation has the smallest estimated tone generation amount, so the tone generation amount is not changed. Of the tone generation channels that are in the pronunciation state, the tone generation channels with the maximum pronunciation amount among the tone generation channels excluding the tone generation channels that are undergoing rapid decay for sound assignment are evaluated because it is necessary to continue the tone generation. Do not change the pronunciation amount. The tone generation channel that is rapidly decaying for sound allocation and the tone generation channel that is under attack for a certain time after the start of sound generation are excluded from the selection targets to which new musical sounds are assigned, so the evaluation sound amount is changed. do not do.

It should be noted that, of the tone generation channels in the tone generation state, the tone generation channels whose tone generation amount is not the maximum among the tone generation channels excluding the tone generation channel that is being rapidly attenuated for attack assignment and the tone generation channel that is being attacked. The evaluation pronunciation amount of may be changed. Further, in the case of giving priority to a newer pronunciation, it is possible to change the evaluation pronunciation amount of the tone generation channel whose tone generation amount is not the maximum among the tone generation channels in the above-mentioned tone generation state, and it is possible to change the evaluation tone amount quickly for the assignment of the tone generation. An attack level of a musical tone to be assigned may be used as the tone generation amount of the musical tone generating channel being attenuated.

Further, the musical tone generating channel which is rapidly decaying for the purpose of assigning the musical tone and / or the musical tone generating channel which is so-called attack in which a predetermined time has not passed from the start of the musical tone generation is included in the processing target. Alternatively, the evaluation sound generation amount may be changed for the tone generation channel whose sound generation amount is not the maximum. Alternatively, the evaluation sound generation amount of a tone generation channel other than the latest assigned tone generation channel may be changed. Further, if necessary, the tone generation amounts of a plurality of tone generation channels may not be changed.

Furthermore, the assignment order may be directly changed based on the continuous hitting relationship. For example, in step D8, the tone generation channel number PA of the continuous hit processing number PCTN
The SS PCTNs are rearranged so that the pre-assigner pronunciation amount PLEV GN becomes the Nth pre-assigned musical tone generation channel number PASS N of the next pre-assigned rank. Or
The N-th pre-assigned musical tone generation channel number of the pre-assigned order thus rearranged The N-th pre-assigned musical tone generation channel number of the pre-assigned order next to PASS N
You may rearrange so that it becomes PASS N.

In other words, if PLEV 3 = “0”, then PLEV
If 3 <PLEV 5 <PLEV 2 <PLEV 7 <PLEV 9 ... And PLEV 9 <“8000H”, then PASS 0 = 3 and PASS 1 = in the processing up to step D7.
5, PASS 2 = 2, PASS 3 = 7, PASS 4 = 9 ... Here, if the tone generation channels with tone generation channel numbers “2” and “9” have tone generation channels related to each continuous hit, they are rearranged as follows. PASS 0 = 3,
PASS 1 = 9, PASS 2 = 2, PASS 3 = 5, PASS 4
= 7 ..., or PASS 0 = 3, PASS 1 = 2, PASS
2 = 9, PASS 3 = 5, PASS 4 = 7 ...

Further, it may be possible to perform allocation without prohibiting the allocation to the tone generation channels during the attack and the rapid decay. In other words, when the target assignment order TASN in step B4 becomes larger than the allocatable tone generation channel number GACN, the process of prohibiting the allotment is deleted. In addition,
When the target assign order TASN exceeds "15", the allocation may be prohibited, or the target assign order TASN may be returned to "0" or the assign order may be reset.
In this case, the assigning order of the tone generation channel under attack is lower than that of the tone generation channel that has finished the attack, and the attack order of the tone generation channel during rapid decay is lower than that of the attacking tone generation channel.

Furthermore, the assigning order of the tone generation channels whose tone generation amount is below a predetermined level is set in the order of key depression, the tone generation channel sequence, the order below the predetermined level, etc. The setting process may be simplified. In this case, it is not necessary to change the evaluation sound generation amount whose sound generation amount is equal to or lower than a predetermined level. Further, for simplification of the processing, the musical tone generation channels targeted for the pre-assignment processing may be limited. For example, the key press order is managed by a known technique, and in the pre-assigner task, the tone generation channels corresponding to a predetermined number of old key presses from the latest key press are excluded from the pre-assign processing target and the truncation is performed. Ban. In the present embodiment, the tone generation amount depends on the envelope level, but the envelope level is appropriately weighted, or the envelope level detected from the amplitude level of the tone signal generated from the tone generation channel is used. It may be based on the pseudo envelope level, the remaining tone generation amount proposed in Japanese Patent Laid-Open No. 1-1649496, or the tone generation duration (time until the tone generation ends).

In the present embodiment, it has been determined that there is a continuous hitting relationship if the pitches are the same, but if one musical tone is composed of a plurality of partial sounds, etc., the partial pitches of the same pitch and of the same kind are used. If so, it may be determined that they have a continuous hitting relationship. In the present embodiment, the assignment order is changed based on the continuous hitting relationship, but it may be changed based on masking with other musical tones. <Modification 1> A modification of the continuous hitting process in the pre-assigner task will be described below.

First, the variables used in this modification will be described. PCNN consecutive note processing target note number SCNN consecutive note processing target note number Add the area of (10) key pressing order to the tone generation channel management map. In this area, the key depression order of the corresponding tone generation channel number is indicated by "0 to 15" and the oldest key depression order is indicated by "0".

The area of (3) priority tone generation channel number is added to the note map. It should be noted that this area indicates the tone generation channel number in which the tone of the corresponding note number is preferentially sounded. Step B1 of the main assigner task
In the initial setting of the tone generation channel management map in, the key pressing order of each tone generation channel is set to the corresponding tone generation channel number. For example, the key depression order of the tone generation channel having the tone generation channel number "1" is set to "1".

The following processing is added to the processing of step C12 of the sounding task. [C12] The key pressing order of the tone generation channel number corresponding to the tone generation channel number GCTN to be sounded in the tone generation channel management map is updated as follows. The tone generation channel number GCTN corresponding to the tone generation target tone generation channel number is decremented by "1" and the tone generation channel number corresponding to the tone generation target tone generation channel number GCTN is depressed. Set the key rank to "15". For example, when a new musical tone is assigned to the tone generation channel having the key depression order of "5", the key depression order of the tone generation channels having the key depression order of "6" to "15" is set to "5" to "14". And the key depression order of the tone generation channel to which a new tone is assigned is "1".
It is set to 5 ".

In the pre-assigner task, the continuous hitting process described below is performed in place of the rearrangement process of the N-th tone generation sound channel numbers in step D7, and the N-th step in step D7 before the change is performed in step D8.
Performs rearrangement processing of the order tone generation channel numbers. Sequential Strike Processing Routine (FIG. 18) This is a routine for checking the consecutive striking relationship in order from the smallest pre-assigner sound production amount, and in the case of consecutive striking, reducing the pre-assigner sound production amount to 1/10 and resetting. Each step D701
The processing in D719 is as follows.

[D701] The continuous hit processing target number PCTN is set to "15", and the flow advances to the next step D702. [D702] It is determined whether or not the rapid decay flag of the tone generation channel number corresponding to the continuous hit processing target number PCTN in the tone generation channel management map is "1: rapid decay in progress". If the rapid decay flag is "1", the process proceeds to step D708, and if it is not "1", the process proceeds to step D703.

[D703] First, the note number of the tone generation channel number corresponding to the consecutive-stroke processing target number PCTN in the tone-generation channel management map is set as the consecutive-stroke processing target note number PCNN, and the key pressing order is set as the consecutive-stroke processing target depression. The key rank is PCPN. Next, the priority tone generation channel number of the note number corresponding to the note number PCNN for the consecutive hit processing in the note map is set as the consecutive hit comparison target number SCTN, and the following step D70 is performed.
Go to 4.

[D704] It is determined whether the consecutive hit processing target number PCTN and the consecutive hit comparison target number SCTN are the same.
These consecutive hit processing numbers PCTN and consecutive hit comparison number SC
If the TNs are the same, the process proceeds to step D708, and if they are not the same, the process proceeds to the next step D705. [D705] The note number of the consecutive hit comparison target number SCTN is set as the consecutive hit comparison target note number SCNN.

[D706] Note number PC for continuous hit processing
It is determined whether the NN and the consecutive hit comparison target note number SCNN are the same. If the consecutive hit processing target note number PCNN and the consecutive hit comparison target note number SCNN are the same, the process proceeds to step D710. If they are not the same, the next step D is performed.
Proceed to 707. [D707] Target of continuous hit processing in note map
The priority tone generation channel number of the note number corresponding to the note number PCNN is updated to the continuous hit processing target number PCTN.

[D708] The continuous hit processing target number PCTN is decremented by "1". [D709] It is determined whether or not the continuous hit processing target number PCTN is "0" or more. If the continuous hit processing target number PCTN is "0" or more, the process returns to step D702,
If it is not "0" or more, the continuous hit processing routine is ended and the process proceeds to step D8. [D710] It is determined whether or not the rapid-decaying flag of the consecutive hit comparison target number SCTN is "1: rapid-decaying". If the rapid decay flag is "1", step D7
Returning to 07, if not "1", the next step D71
Go to 1.

[D711] The pre-assigner tone generation amount PLEV PCTN of the continuous hit processing target number PCTN is less than “8000H”, in other words, the tone generation channel number is the continuous hit processing target number PC.
Determine whether the tone generation channel of TN has finished the attack. This pre-assigner pronunciation volume PLEV PCTN is “8
If the attack is completed in less than 000H ", the process proceeds to step D716, and if it is not less than" 8000H ", the process proceeds to next step D712.

[D712] The pre-assigner sound generation amount PLEV SCTN of the continuous hit comparison target number SCTN is less than “8000H”, in other words, the tone generation channel number is the continuous hit comparison target number SC.
Determine whether the tone generation channel of TN has finished the attack. This pre-assigner pronunciation volume PLEV SCTN is "8".
If the attack is completed with less than 000H ", the process proceeds to step D714, and if it is not less than" 8000H ", the process proceeds to next step D713.

[D713] The key-depression order of the tone-generation channel number corresponding to the consecutive-stroke processing target number PCTN in the tone-generation channel management map is higher than the key-depression order of the tone generation channel number corresponding to the consecutive-stroke comparison target number SCTN. Determine whether or not. If the key depression order corresponding to the continuous hit processing target number PCTN is high, the process returns to step D707, and if the key depression order corresponding to the continuous hit processing target number PCTN is not high, the process returns to step D708.

[D714, D715] It is determined whether or not the pre-assigner tone generation amount PLEV SCTN of the consecutive hit comparison target number SCTN is "0". This pre-assigner pronunciation volume PLEV SCTN
If it is "0", no special processing is performed and the process proceeds to step D707. If it is not "0", the value obtained by dividing the pre-assigner pronunciation amount PLEV SCTN of the consecutive hit comparison target number SCTN by "10" is "1". Is updated to the value obtained by adding
Proceed to 7.

[D716] The pre-assigner sound production amount PLEV SCTN of the consecutive hit comparison target number SCTN is less than "8000H", in other words, the tone generation channel number is the consecutive hit comparison target number SC.
Determine whether the tone generation channel of TN has finished the attack. This pre-assigner pronunciation volume PLEV SCTN is "8".
If the attack is completed with less than 000H ", the process proceeds to the next step D717, and if it is not less than" 8000H ", the process proceeds with step D718.

[D717] It is determined whether or not the pre-assigner pronunciation amount PLEV PCTN of the consecutive hit processing target number PCTN is greater than the pre-assigner tone production amount PLEV SCTN of the consecutive hit comparison target number SCTN. If the pre-assigner tone production amount PLEV PCTN of the continuous hit processing target number PCTN is large, the process proceeds to step D714, and if it is not large, the process proceeds to step D718. [D718, D719] It is determined whether or not the pre-assigner tone generation amount PLEV PCTN of the continuous hit processing target number PCTN is "0". If this pre-assigner pronunciation amount PLEV PCTN is "0", no special processing is performed and the process proceeds to step D708. If it is not "0", the pre-assigner pronunciation amount PLEV PCTN of the continuous hit processing target number PCTN is set to "10". It is updated to the value obtained by adding "1" to the value divided by, and the process proceeds to step D708.

If both the tone generation channels subject to the consecutive hit processing and the consecutive hit comparison target are under attack,
Although the key depression order is compared in step D713, the attack level may be compared instead of the key depression order. In other words, the same judgment processing as in step D717 is performed, and the pre-assigner pronunciation amount PL of the continuous hit processing target number PCTN is set.
If EV PCTN is large, proceed to Step D707,
If not, the process proceeds to step D708. Second Embodiment Next, a specific embodiment in which the electronic musical instrument allocating apparatus according to the present invention is applied to an electronic musical instrument that generates a continuous tone type musical sound will be described with reference to the drawings.

Differences from the First Embodiment The tone generation channel management map is changed as follows. -Delete the following areas. (1) Pronunciation volume ・ The following areas are added.

(10) Note status (11) Key pressing order: The key pressing order is indicated by "0 to 15",
The oldest key depression order is indicated by "0". (12) Stage number: The processing stage in the pre-assign process is indicated by "0 to 5", the sound generation end is "0", the key is released and the holdoff is "1", the key is released and the damper on is "". 2 ", the key is released and sostenuto is on" 3 ", the key is being depressed and the truncation prohibition release is" 4 ",
"5" indicates that the key is being pressed and truncation is prohibited. Here, hold-off indicates damper off and sostenuto off.

(13) Pre-assigned rank: The pre-assigned rank is indicated by "0 to 15" and the earliest rank is indicated by "0". (14) Pre-assignment rank in the stage: The pre-assignment rank in each processing stage is indicated by "1 to 16", and the earliest rank is indicated by "1". (15) Repeated hit flag: Indicates the continuous hit with "1". -Provide a pre-assignment processing FIFO. The various variables additionally used in this embodiment are as follows.

CRQF pre-assignment processing request flag: A pre-assignment processing request in the sounding task is indicated by "1". PEXM processing mode: The processing mode is indicated by "1 to 4", key depression is indicated by "1", attack processing is indicated by "2", key release is indicated by "3", and sounding end is indicated by "4". POAS Old pre-assigned rank PNAS New pre-assigned rank POSN Old stage number PNSN New stage number PDSN Lower status number POSA Old pre-assigned rank in stage PNSA New pre-assigned rank in stage PSAM POSN Stage number Maximum pre-assigned in POSN stage Rank PSRM POSN Stage number Maximum number of consecutive hits in the stage of POSN PSAM PNSN Stage number Maximum pre-assignment within the stage of PNSN Rank PSRM PNSN Stage number Maximum number of consecutive strikes within the stage of PNSN PSAM PDSN Stage number Maximum pre-assignment within the stage of PDSN Order PNTN Presigner note number ERQF Preassign processing request flag: Indicates the preassign processing request in the envelope task with "1". ○ Step A6 of the key data reception task is changed and step A8 is added as follows.

[A6] First, the note status of the note number corresponding to the note number NTNM in the note map is set to "0". Next, the tone generation channel management map is searched for a tone generation channel number whose note number is the note number NTNM and whose note status is "1", in order of decreasing key depression order, and the tone generation channel number with the lowest key depression order is searched. Set the note status of "0" and
"3" indicating the key release processing and the tone generation channel number are sequentially loaded into the pre-assign processing FIFO and step A is executed.
Go to 8.

[A8] A pre-assignment request event is generated. In other words, the request destination task number NDTK is “4: pre-assigner task” and the request destination event value NDET is “1”.
Set to and make an event occurrence monitor call. And
Return to step A2. * Partially change the processing of the main assigner task. The following process is added to step B1.

[B1] The pre-assign order and key pressing order of each tone generation channel number in the tone generation channel management map are set to the corresponding tone generation channel numbers. The following processing is added to step B5. [B5] "1" indicating the key depression process and the tone generation channel number are sequentially loaded into the pre-assign process FIFO. * Part of the processing of the pronunciation task is changed as follows.

The following processing is added to step C3. The pre-assign processing request flag CRQF is set to "1". Step C5 is changed as follows. [C5] It is determined whether or not the stage number of the tone generation channel number corresponding to the tone generation channel number GCTN to be sounded in the tone generation channel management map is "0". If the stage number is not "0", the process proceeds to the next step C6, and if "0" does not require the rapid damping process, the process proceeds to step C7.

The tone generation amount setting processing in steps C6 and C12 is deleted. The following process is added to step C12. The key-depression order of the tone-generation channel number corresponding to the tone-generation channel number GCTN to be sounded in the tone-generation channel management map is updated as follows.

The tone generation channel corresponding to the tone generation target tone generation channel number GCTN is decremented by "1", and the tone generation channel corresponding to the tone generation target tone generation channel number GCTN is decremented by "1". Set the key depression order of numbers to "15". For example,
When a new musical tone is assigned to the tone generation channel having the key depression order of "5", the key depression order of the tone generation channels having the key depression order of "6" to "15" is updated to "5" to "14", The key depression order of the tone generation channel to which a new tone is assigned is "1".
Updated to 5 ".

The following processing is performed prior to the processing of step C22. [C22p] It is determined whether the pre-assignment processing request flag CRQF is "1". When this pre-assignment processing request flag CRQF is "1", the next step C
22q, and if it is not "1", proceed to step C22. [C22q] Generate a pre-sign request event.
In other words, the request generation task number NDTK is set to "4: pre-assigner task" and the request destination event value NDET is set to "1" to make an event occurrence monitor call. In addition, the pre-assignment processing request flag CRQF is set to "0" and step C
Proceed to 22. * Change the pre-signer task as follows. (FIG. 19) [D1] The envelope management map and pre-assign processing FIFO are cleared, and at the same time, variables and the like occupied by this pre-assigner task are set to initial values. In addition,
At the time of initial setting of variables and the like, the number of pre-assigner assignable tone generation channels PACN and the maximum pre-assignment order PSAM 0 within the stage of stage number “0” are set to “16” and other variables are set to “0”.

[D2] The request source event value NSET is set to "3".
When the pre-assignment request event occurs, the process proceeds to the next step D3. [D3] Task number "4: in task management map"
Set the wait event value of "pre-signer task" to "0".

[D4], [D5] It is judged whether or not the first event occurrence flag is "1", and if the first event occurrence flag is "1", the updating process 1 is performed.
The contents of this update process 1 will be described later in detail. [D6], [D7] Second event occurrence flag is "1"
If the second event occurrence flag is "1", the update process 2 is performed. The contents of this update processing 2 will be described later.

[D8], [D9] It is determined whether or not the third event occurrence flag is "1", and if the third event occurrence flag is "1", the updating process 3 is performed.
The contents of this update processing 3 will be described later in detail. [D10], [D11] It is determined whether or not the fourth event occurrence flag is "1", and if the fourth event occurrence flag is "1", the update process 4 is performed. The contents of this update processing 4 will be described later in detail.

[D12], [D13] It is determined whether or not the fifth event occurrence flag is "1", and if the fifth event occurrence flag is "1", the updating process 5 is performed. The contents of the update process 5 will be described later in detail. [D14] Lock the task. [D15] Main assigner processing flag MAEF is "0".
Or not. When the main assigner processing flag MAEF is "0", the process proceeds to the next step D16, and when it is not "0", the process proceeds to step D17.

[D16] First, the N-th assigned musical tone generation channel number MASS N is sequentially set based on the musical tone generation channel number and the pre-assignment ranking in the musical tone generation channel management map. For example, if the pre-assigned rank of the tone generation channel number “0” is “5”, the fifth
Assign order Music tone generation channel number Set MASS 5 to "0". Next, the target assign order TASN is set to "0", and the preassigner allocatable tone generation channel number PACN is set as the allocatable tone generation channel number GACN. Further, the task lock is released and the process returns to step D2.

[D17] The task lock is released and the process returns to step D5. Update Processing 1 Routine This routine updates the pre-assignment order based on key depression, attack end, key release, or sound end. [D51] First, the first event occurrence flag of the task number "4: pre-assigner task" in the task management map is set to "0". Next, the main assigner processing flag MAEF is set to "0".

[D52] Data is unloaded from the pre-assign processing FIFO to set it as the processing mode PEXM. [D53] The processing mode PEXM is determined. When this processing mode PEXM is "1", the next step D54 is executed.
If it is "2", the process proceeds to step D55, if it is "3", the process proceeds to step D56, and if it is "4", the process proceeds to step D57.

[D54] The update process 11 is performed. Details of this processing will be described later with reference to FIG. Then, the process proceeds to step D58. [D55] The update process 12 is performed. The details of this process will be described later. Then, the process proceeds to step D58. [D56] The update process 13 is performed. The details of this process will be described later. Then, the process proceeds to step D58.

[D57] The updating process 14 is performed. The details of this process will be described later. And step D5
Go to 8. [D58] It is determined whether or not the pre-assign processing FIFO is "empty". If the pre-assign processing FIFO is "empty", the routine is terminated and the process proceeds to step D6 of the pre-assigner task. If it is not "empty", the process returns to step D52.

Update Processing 11 Routine (FIG. 21) This routine updates the pre-assignment order of the tone generation channel whose sound is newly started by pressing a key. [D5401] First, the new stage number PNSN is set to "5". Next, the data is downloaded from the pre-assign processing FIFO to obtain the tone generation channel number GN.

[D5402] Continuous hit processing is performed. The contents of this processing will be described later in detail with reference to FIG. [D5403] The stage number of the tone generation channel number corresponding to the tone generation channel number GN in the tone generation channel management map is the old stage number POSN, and the pre-assignment order within the stage is the old pre-assignment order POSA within the stage. Previous pre-assigned rank PO
AS.

[D5404] It is determined whether the old stage number POSN is "5" and the old preassigned order POAS is "15". If the old stage number POSN is not "5" or the old pre-assigned order POAS is not "15", the process proceeds to the next Step D5405, and if it is "5" and "15", the routine is ended. Proceed to Step D58.

[D5405], [D5406] It is determined whether or not the old stage number POSN is "5". If the stage number is not "5", the number of pre-assigner allocatable musical tone generation channels PACN is decremented by "1". [D5407] First, the stage number in the tone generation channel management map is the old stage number POSN, and the preassignment order within the stage is the value obtained by adding "1" to the old preassignment order POAS within the stage. Decrement each pre-assigned rank within a step up to PSAM POSN by "1". Next, the maximum pre-assignment order PSAM POSN in the stage with the stage number POSN is decremented by "1".

[D5408], [D5409] Musical tone generation channel number GN in the musical tone generation channel management map
The continuous hit flag of the tone generation channel number corresponding to is "1"
If the continuous hit flag is "1", the maximum consecutive hit order within the stage with the stage number POSN is determined.
Decrement the PSRM POSN by "1". [D5410] The new preassigned rank PNASA is set to "15", and the value obtained by adding "1" to the maximum preassigned rank PSAMPNSN in the stage of the stage number PNSN is set as the new preassigned rank PNSA in the stage.

[D5411] The maximum pre-assignment order PSAMPNSN in the stage of the stage number PNSN is incremented by "1", and the pre-assignment order in the tone generation channel management map is the old pre-assignment order PO.
Decrement each pre-assigned rank from the value obtained by adding "1" to AS to the new pre-assigned rank PNAS by "1".

[D5412] The stage number of the tone generation channel number corresponding to the tone generation channel number GN in the tone generation channel management map is changed to the new stage number PNSN.
Then, the pre-assignment rank in the stage is set to the new pre-assignment rank PNSA in the stage, the pre-assignment rank is set to the new pre-assignment rank PNAS, and the continuous hit flag is set to "0". Then, the routine is finished and the process proceeds to step D58.

Continuous Strike Processing Routine (FIG. 21) [D540201] First, the note number of the tone generation channel number corresponding to the tone generation channel number GN in the tone generation channel management map is set to the pre-assigner note number PN.
TN. Next, the continuous hit processing target number PCTN is set to "0".

[D540202] Target PC for continuous hit processing
It is determined whether TN is the same as the tone generation channel number GN. If the continuous hit processing number PCTN is not the same as the tone generation channel number GN, the next step D540203
If it is the same, go to Step D540206. [D540203] It is determined whether or not the continuous hit flag of the musical sound generation channel number corresponding to the continuous hit processing target number PCTN in the musical sound generation channel management map is "1". If the continuous hit flag is not "1", the next step D5
40204, and if it is "1", step D5
Proceed to 40206.

[D540204] It is determined whether or not the note number of the tone generation channel number corresponding to the continuous hit processing target number PCTN in the tone generation channel management map is the same as the pre-assigner note number PNTN. The note number of this tone generation channel number is the pre-assigner note number PNTN.
If it is not the same, the process proceeds to the next step D540205, and if it is not the same, the process proceeds to step D540206.

[D540205] It is determined whether or not the stage number of the tone generation channel number corresponding to the continuous hit processing target number PCTN in the tone generation channel management map is “0”. If the stage number is "0", the flow proceeds to the next step D540206, and if it is not "0", the flow proceeds to step D540208. [D540206], [D540207] It is determined whether or not the continuous hit processing target number PCTN is less than “15”. If the consecutive hit processing target number PCTN is less than "15", the consecutive hit processing target number PCTN is incremented by "1" and the process returns to step D540202. If it is not less than "15", the routine is finished and step D5403. Proceed to.

[D540208] The continuous hit flag of the musical sound generation channel number corresponding to the continuous hit processing target number PCTN in the musical sound generation channel management map is set to "1". [D540209] It is determined whether or not the stage number of the tone generation channel number corresponding to the continuous hit processing target number PCTN in the tone generation channel management map is “5”.
If the stage number to be judged is not "5", the procedure goes to the next step D540210, and if it is "5", the procedure goes to step D540206.

[D540210] The pre-assignment order of the tone generation channel management map is updated as follows. The stage number of the tone generation channel number corresponding to the consecutive hit processing number PCTN in the tone generation channel management map is the old stage number POSN and the new stage number.
Let PNSN be the pre-assignment rank in the stage be the old pre-assignment rank POSA in the stage, and the pre-assignment rank be the old pre-assignment rank POAS.

It is determined whether or not the maximum consecutive hitting order PSRM PNSN in the stage with the stage number PNSN exceeds “0”. Proceed to if the maximum consecutive batting order PSRM PNSN in this stage exceeds "0", and proceed to if it does not exceed "0". First, the stage number PNSN
The maximum consecutive batting order PSRM PNSN in the stage will be the new pre-assigned order PNSA in the stage. Next, the stage number in the tone generation channel management map is the new stage number PN.
A value obtained by adding "1" to the pre-assigned rank of the tone generation channel number that is SN and the pre-assigned rank within the stage is the new pre-assigned rank PNSA within the stage is defined as the new pre-assigned rank PNAS. Further, the value obtained by adding “1” to the new pre-assignment rank PNSA in the stage is set as the new pre-assignment rank PNSA in the stage. Then proceed to.

First, the new pre-assignment ranking within the stage
Set PNSA to "1". Next, the stage number in the tone generation channel management map is the new stage number PNSN, and the pre-assignment order within the stage is the new pre-assign order PASA within the stage as the new pre-assign order PNAS. Then proceed to. The stage number in the tone generation channel management map is the new stage number PN
SN and the pre-assignment rank in the stage is incremented by "1" for each pre-assignment rank in the stage up to the value obtained by subtracting "1" from the old pre-assignment rank POSA in the stage from the new pre-assignment rank in the stage PNSA To do.

Each pre-assignment rank in the tone generation channel management map is incremented by "1" from the new pre-assignment rank PNAS to the value obtained by subtracting "1" from the old pre-assignment rank POAS. The pre-assignment order within the stage of the continuous hit processing number PCTN in the tone generation channel management map is set to the new pre-assignment order PNSA in the stage, and the pre-assignment order is set to the new pre-assignment order PNAS.

The maximum consecutive hitting order PSRM PNSN in the stage of the stage number PNSN is incremented by "1" and the process proceeds to step D540206. Update processing 12 routine (FIG. 22) This routine updates the pre-assignment rank of the tone generation channel for which the attack has been completed.

[D5501] First, the new stage number PN
Set SN and lower stage number PDSN to "4". Next, the data is downloaded from the pre-assign processing FIFO to obtain the tone generation channel number GN. [D5502] Step D5 of update processing 11 routine
The same processing as 403 is performed.

[D5503] It is determined whether the old stage number POSN exceeds the new stage number PNSN. If this old stage number POSN exceeds the new stage number PNSN, the routine proceeds to the next Step D5504, and if it does not exceed this routine, the routine is ended and the routine proceeds to Step D58. [D5504] The number of tone generation channels PACN that can be assigned to the pre-signer is incremented by "1".

[D5505] The same process as step D5407 of the update process 11 routine is performed. [D5506] Step D5 of update processing 11 routine
The same determination processing as 408 is performed. If the continuous hit flag to be judged is not "1", the procedure goes to the next step D5507, and if it is "1", the procedure goes to step D5514.

[D5507] It is determined whether the maximum preassigned order PSAMPDSN in the stage of the stage number PDSN exceeds “0”. If the maximum pre-assigned rank PSAM PDSN in this stage exceeds "0", the flow advances to step D5508, and if it does not exceed "0", the flow advances to step D5511. [D5508] First, the maximum pre-assignment order PSAM PDSN in the stage with the stage number PDSN is set as the new pre-assignment order PNSA in the stage. Next, the stage number in the tone generation channel management map is the lower stage number PDSN.
A value obtained by adding "1" to the pre-assignment order of the tone generation channel number whose pre-assignment order in the stage is the new pre-assignment order PNSA in the stage is defined as the new pre-assignment order PNAS. Further, the value obtained by adding "1" to the maximum pre-assignment order PSAM PNSN in the stage of the stage number PNSN is set as the pre-assignment order PNSA in the stage.

[D5509] The maximum pre-assignment order PSAMPNSN in the stage of the stage number PNSN is incremented by "1", and the pre-assignment order in the tone generation channel management map is the new pre-assignment order PN.
Increment each pre-assigned rank from "AS" to the value obtained by subtracting "1" from the old pre-assigned rank POAS by "1".

[D5510] The same process as step D5412 of the update process 11 routine is performed. However, the continuous hit flag is not changed. [D5511] It is determined whether or not the lower stage number PDSN exceeds “0”. If the lower stage number PDSN exceeds "0", the process proceeds to step D5513, and if it does not exceed "0", the next step D55.
Proceed to 12.

[D5512] New preassigned rank PNAS
Is set to “0”, and the new pre-assigned rank PNSA in the stage is set to “1”. [D5513] The value obtained by subtracting “1” from the lower stage number PDSN is set as the lower stage number PDSN, and the step D550 is performed.
Return to 7. [D5514] It is determined whether or not the maximum consecutive batting order PSRM PNSN in the stage with the stage number PNSN exceeds "0". If the maximum consecutive batting order PSRM PNSN in this stage exceeds "0", the flow proceeds to the next Step D5515, and if it does not exceed "0", Step D550.
Proceed to 7.

[D5515] First, the stage number PNSN.
The maximum consecutive batting order PSRM PNSN in the stage will be the new pre-assigned order PNSA in the stage. Next, the stage number in the tone generation channel management map is the new stage number PN.
The value that is "1" is added to the pre-assigned rank of the tone generation channel number that is SA and the pre-assigned rank in the stage is the new pre-assigned rank PNSA in the stage, and is defined as the new pre-assigned rank PNAS. Furthermore, the stage maximum consecutive hitting order PSRM PNSN of the stage number PNSN and the new pre-assignment order PNSA in the stage are incremented by "1". Proceeds to Step D5509.

Update Processing 13 Routine This routine updates the pre-assignment order of the tone generation channel released by the processing according to the update processing 12 routine. Next, differences from the update processing 12 routine will be described. [D5601] First, set the new status number PNSN to "3".
Set to. Next, the data is downloaded from the pre-assign processing FIFO to obtain the tone generation channel number GN.

[D5604] It is determined whether or not the old stage number POSN is "5", and this old stage number POSN
Only when the value is "5", the number PACN of musical tone generation channels that can be preassigned is incremented by "1".
Prior to the processing of step D5606, step D5606
The processing of P to D5606U is performed.

[D5606P] The note number of the tone generation channel number corresponding to the tone generation channel number GN in the tone generation channel management map is set as the pre-assigner note number PNTN. [D5606Q] It is determined whether the sostenuto status of the note number corresponding to the pre-assigner note number PNTN in the note map is "0". If this status is "0", the next step D
Proceed to 5606R, and if not "0", step D5
Proceed to 606U.

[D5606R] It is determined whether the damper flag DMPF is "0". This damper flag DM
When PF is "0", the flow proceeds to the next step D5606S, and when it is not "0", the flow proceeds to step D5606T. [D5606S] The new stage number PNSN and the lower stage number PDSN are set to "1", and the flow advances to step D5606.

[D5606T] The new stage number PNSN and the lower stage number PDSN are set to "2", and the flow advances to step D5606. [D5606U] The new stage number PNSN and the lower stage number PDSN are set to "3", and the flow advances to step D5606. The following process is performed prior to the process of step D5614.

[D5614P] It is determined whether or not the old stage number POSN is "5", and this old stage number POSN
If is not "5", the maximum consecutive batting order PSRM POSN in the stage with the stage number POSN is decremented by "1". Update Process 14 Routine By the process according to the update process 12 routine, the pre-assignment rank of the tone generation channel whose sound generation is completed is updated. Next, differences from the update processing 12 routine will be described.

[D5701] First, the new stage number PN
Set SN and lower stage number PDSN to "0". Next, the data is downloaded from the pre-assign processing FIFO to obtain the tone generation channel number GN. [D5704] It is determined whether or not the old stage number POSN is "5", and only when this old stage number POSN is "5", the number of musical tone generation channels that can be preassigned can be assigned.
Increment PACN by "1".

The processing of steps D5714 and D5715 is deleted and the following processing is performed instead. [D5714] It is determined whether or not the old stage number POSN is "5", and if the old stage number POSN is not "5", the maximum consecutive hitting order PSRM POSN in the stage of the stage number POSN is "1".
Only decrement. In step D5710, the same processing as step D5412 of the update processing 11 routine is performed.

Update Process 2 Routine This routine is for updating the pre-assignment order of the tone generation channels which have been released by the operation of the sostenuto pedal and which have been turned on sostenuto. [D71] First, the second event occurrence flag of the task number "4: pre-assigner task" in the task management map is set to "0". Next, the old stage number POSN and the old pre-assignment order POSA within the stage are set to "1", the new stage number PNSN and the lower stage number PDSN are set to "3".
Set to.

[D72] It is determined whether or not the old pre-assigned rank POSA in the stage exceeds the maximum pre-assigned rank PSAM POSN in the stage of the stage number POSN. If not, the process proceeds to the next step D73. If so, the routine is terminated and the process proceeds to step D8. [D73] The tone generation channel number GN is the tone generation channel number GN whose stage number in the tone generation channel management map is the old stage number POSN and whose preassignment order within the stage is the old preassignment order POSA within the stage. Pre-signer note number PNTN.

[D74] It is determined whether or not the sostenuto status of the note number corresponding to the pre-assigner note number PNTN in the note map is "1". If the sostenuto status is "1", the process proceeds to the next step D75. If it is not "1", the old pre-assignment order POSA in the stage is incremented by "1" and the process returns to step D72.

[D75] The pre-assignment order of the tone generation channel number corresponding to the tone generation channel number GN in the tone generation channel management map is changed to the old pre-assignment order PO.
AS. [D76] Step D560 of the update processing 13 routine
5 to D5615 is performed. However, step D
The processing of 5606P to D5606U is not performed. In step D5609, the same processing as step D5411 of the update processing 11 routine is performed. When this process ends, the process returns to step D72.

Update Processing 3 Routine This routine updates the pre-assignment order of the tone generation channels that have been released and held off by operating the sostenuto pedal. [D91] First, the third event occurrence flag of the task number "4: pre-assigner task" in the task management map is set to "0". Next, the old status number POSN is set to "3" and the old pre-assignment order POSA in the status is set to "1".

[D92] The damper flag DMPF is "1".
Or not. If the damper flag DMPF is "1", the process proceeds to the next step D93,
If it is not "1", the process proceeds to step D94. [D93] The new stage number PNSN and the lower stage number PDSN are set to "2" and the process proceeds to step D95.

[D94] The new stage number PNSN and the lower status number PDSN are set to "1" and step D9 is executed.
Go to 5. [D95] It is determined whether or not the maximum preassigned order PSAM POSN in the stage with the stage number POSN exceeds "0". Maximum pre-assigned rank PSAM within this stage
If POSN exceeds "0", the next step D9
6, the routine is terminated when "0" is not exceeded, and the process proceeds to step D10.

[D96] The preassignment order of the tone generation channel numbers whose stage number in the tone generation channel management map is the old stage number POSN and the preassignment order in the stage is "1" is the old preassignment order POAS.
And [D97] Step D560 of update routine 13 routine
5 to D5615 is performed. However, step D
The processing of 5606P to 5606U is not performed. When this process ends, the process returns to step D95.

Update Process 4 Routine This routine updates the pre-assignment order of the tone generation channels whose keys have been released and the dampers are turned on by operating the damper pedal. [D111] First, the fourth event occurrence flag of the task number "4: pre-assigner task" in the task management map is set to "0". Next, the old stage number POSN and the old pre-assignment order POSA in the stage are set to "1", and the new stage number PNSN and the lower stage number PDSN are set to "2".

[D112] The same determination process as in step D72 of the update process 2 routine is performed. If the old pre-assigned rank POSA in the stage does not exceed the maximum pre-assigned rank PSAM POSN in the stage with the stage number POSN, the process proceeds to the next step D113, and if it exceeds, the routine is terminated. Go to step D12. [D113] The same process as step D73 of the update process 2 routine is performed.

[D114] The determination process similar to step D72 of the update process 2 routine is performed. If the sostenuto status is "0", the next step D1
If it is not "0", the old pre-assignment order POSA in the stage is incremented by "1" and the process returns to step D112. [D115] The same process as step D75 of the update process 2 routine is performed.

[D116] The same process as step D76 of the update process 2 routine is performed. When this process ends, the process returns to step D112. Update Processing 5 Routine This routine updates the pre-assignment order of the tone generation channels that have been released and held off by operating the damper pedal.

[D131] First, the fifth event occurrence flag of the task number "4: pre-assigner task" in the task management map is set to "0". Next, the old stage number POSN is set to "2", the old pre-assigned order POSA in the stage, the new stage number PNSN and the lower stage number PD.
Set SN to "1". [D132] The same determination process as in step D95 of the update process 3 routine is performed. If the maximum preassigned order PSAM POSN in the stage with the stage number POSN exceeds "0", the process proceeds to the next step D133, and if it does not exceed "0", the routine is terminated and step D1.
Go to 4.

[D133] The same processing as step D96 of the update processing 3 routine is performed. [D134] The same process as step D97 of the update process 3 routine is performed. When this process ends, step D1
Return to 32. * Part of the processing of the envelope task is changed as follows. The following process is added to step E1.

[E1] Pre-sign processing request flag ER
Set QF to "0". When step E5p is added and step E4 is completed, the process proceeds to step E5p. [E5p] It is determined whether or not the stage number of the tone generation channel number corresponding to the envelope processing target number ECTN in the tone generation channel management map is "0".
If this stage number is "0", step E1
4. If it is not "0", go to step E5.

The step E5 is changed and the step E5a is added as follows. [E5] The target value and the envelope of the envelope channel number corresponding to the envelope processing target number ECTN in the envelope management map when the note status of the tone generation channel number corresponding to the envelope processing target number ECTN in the tone generation channel management map is “0” It is determined whether or not the level is "0". If both are "0", the process proceeds to step E5a, and if neither is "0", the process proceeds to step E6.

[E5a] Pre-sign processing request flag
ERZF is set to "1" and "4" indicating the tone generation end processing and the envelope processing target number ECTN are sequentially loaded in the pre-assign processing FIFO, and step E14 is executed.
Proceed to. Steps E8 and E9 are changed as follows. [E8] It is determined whether or not the note status of the tone generation channel number corresponding to the envelope processing target number ECTN in the tone generation channel management map is "1". If the note status is not "1", the process proceeds to the next step E9, and if it is "1", the step E is performed.
Proceed to 11.

[E9] Envelope processing target note number ENNM in damper flag DMPF or note map
It is determined whether the sostenuto status of the note number corresponding to is "1". If either is "1", the process proceeds to step E11a, and both are "1".
If not, the process proceeds to step E10. Part of the processing of steps E10 and E11 and step E13 as follows:
Is changed and steps E11a and E12p are added.

When updating the target value, rate, etc. in step E10, the damper value DMPV is not based, and when the process is completed, the process proceeds to step E12p. When updating the target value, rate, etc. in step E11, it is not based on the damper value, and when the process is completed, the process proceeds to step E12p. [E11a] The rate of the envelope channel number corresponding to the envelope processing target number ECTN in the envelope management map is updated to "0", and the target value and rate are transferred to the tone generation circuit 30. When the processing is completed, the process proceeds to step E12p.

[E12p] The truncation prohibition flag of the tone generation channel number corresponding to the envelope processing target number ECTN in the tone generation channel management map is "0".
Or not. If the truncation prohibition flag is "0", the process proceeds to step E14, where "0" is set.
If not, the process proceeds to step E12. [E13] Set the truncation prohibition flag of the tone generation channel number corresponding to the envelope processing target number ECTN in the tone generation channel management map to "0", set the preassign processing request flag ERQF to "1", and perform preassignment. "2" indicating the attack end processing and the envelope processing target number ECTN are sequentially loaded in the processing FIFO.

Steps E17 and E18 are added, and the envelope processing target number ECTN is "1" at step E15.
If it is not 5 ", the process proceeds to step E17. [E17] The pre-assign process request flag ERQF is" 1 ".
Or not. If the pre-assignment processing request flag ERQF is "1", the process proceeds to step E18, and if it is not "1", the process returns to step E2.

[E18] A pre-sign request event is generated. In other words, the request destination task number NDTK is set to “4: pre-assigner task” and the request destination event value NDET.
Is set to "1" and an event occurrence monitor call is made.
Further, the pre-assign processing request flag ERQF is set to "0" and the process returns to step E2. * Part of the processing of step F4 of the pedal task is changed as follows.

When the damper pedal is depressed, the damper flag DMPF is set to "1", and when it is returned, the damper flag DMPF is set to "0". When the sostenuto status is updated and / or the damper flag is set, a pre-assignment request event is generated. In other words, the requested task number NDTK is changed to “4: Pre-assigner task”,
The requested event value NDET is set to "2" when the sostenuto pedal is depressed, "3" when it is returned, to "4" when the damper pedal is depressed, and to "5" when it is returned. Make a monitor call.

As described above, in the present embodiment, the tone generation channel to which a new tone is assigned is the tone generation channel which is being rapidly attenuated for assigning the tone generation, and the so-called attack during which a predetermined time has not passed from the start of tone generation. It is selected from the tone generation channels excluding the tone generation channels. For the musical tone generation channels to be selected, the assignment order is set in the order of sound generation, key release and hold-off, key release and damper on, key release and sostenuto on, and key pressing. Further, in the same state, for example, in the state where the keys are released and the hold-off state is set, the tone generation channels having a continuous hitting relationship are assigned earlier than the tone generation channels having no continuous hitting relationship. Then, when a new musical tone is assigned to the musical tone generating channel, the assigning order of the musical tone generating channel having a continuous hitting relationship with the musical tone is changed to an earlier assigning order in the same state.
For example, if the key is released and the hold-off is
The keys are released, held off, and assigned earlier than the tone generation channels that are not related to repeated hits. Further, when the tone changes while the key is being depressed, such as when the tone is released, the order is changed according to whether or not there is a continuous hitting relationship. For example, if the key is released without the pedal being depressed, and if there is a continuous hitting relationship, it will be placed next to the order of the slowest tone generation channel that has been released, is held off, and is in the continuous hitting relationship. If there is no continuous hitting relationship, the key is released and the order is changed to the next order of the order of the slowest tone generation channel of the tone generation channels of hold-off.

Also in the present embodiment, if necessary, the tone generation channel that is rapidly decaying for the assignment of the tone generation and the tone generation channel that is so-called attack in which a predetermined time has not elapsed from the start of the tone generation are included in the selection target or the continuous hit processing target. May be included in. Further, processing similar to the processing of the first embodiment may be performed on the tone-generating channel for which the key has been released. In addition, the main assigner processing flag MAEF is set to step A6,
It may be set to "1" when the operation of the damper or the sostenuto pedal is detected in steps E5, E13 and step F4. Furthermore, when setting the continuous hit flag in step D540208 of the continuous hit processing routine, if the tone generation channel to be processed is key-pressing and its envelope level is higher than the attack level of the newly assigned tone generation channel, etc. The continuous hit flag may not be set.

It should be noted that when changing the assignment order based on the continuous hitting relationship, it may be changed to a lower (earlier) state. For example, the processing may be performed assuming that the tone generation channel during key depression has been released and is sostenuto-on. Specifically, in Step D540210, processing is performed as follows. With new stage number PN
The SN and the lower stage number PDSN are set to values obtained by subtracting "1" from the stage number of the tone generation channel number corresponding to the repeated hit processing target number PCTN in the tone generation channel management map. Subsequent steps D5507-5
Same as 513.

Alternatively, the tone generation channel during key depression may be regarded as the key-released channel and the hold-off process. Further, the rank may be changed to the next rank after the end of sound generation. For example, end of pronunciation, repeated hits, key release, hold-off ,. ． ． Order. Alternatively, when the assigning order is the key pressing order, the key pressing order may be changed to an earlier order. The order is the key press order in each state. It should be noted that at the end of sound generation, the order of channel numbers for generating musical sounds may be used.

In the first and second embodiments, the assigning order is changed based on the already-assigned continuous hitting relationships of musical tones, but it may be changed based on the continuous hitting relationship with a new musical sound. For example, the same process as the pre-assigner task is executed prior to the process of step B5 of the main assigner task. At this time, it is assumed that a new musical tone is assigned to the "17" th tone generating channel virtually provided for the continuous hit comparison target, and then the virtually provided "17"
Repeated hit processing including the second tone generation channel. In this case, the pre-assigner task may be deleted.

Further, the main assigner task may change the assignment order set in the pre-assigner task by judging the continuous hit relationship with a new sound. Specific examples of this processing will be described in the following modified examples 2 and 3. <Modification 2> In this modification, a new musical sound is assigned as follows. If the tone generation channel to which the assignment order is assigned has finished sounding, it is assigned to the tone generation channel to be assigned, and if the tone generation channel to be assigned has not finished pronunciation, allocatable tone generation If there is a tone generation channel that is a channel and is related to a new note-on, the tone generation channel is assigned to that tone generation channel. If there is no tone generation channel that can be assigned because it has a continuous hit relationship with a new note-on, it is assigned to the tone generation channel to be assigned.

Next, the case of application to the first embodiment will be described. Prior to the processing of step B5 of the main assign task, the following processing is performed. [B5p] When the target assignment order TASN is less than the number of allocatable tone generation channels GACN in the judgment in step B4; the tone generation channel number MASS TASN of the assignment order TASN in the tone generation channel management map
It is determined whether or not the tone generation amount of the tone generation channel number corresponding to is over "0". When the sound generation amount exceeds "0", the process proceeds to the next step, and when it does not exceed "0", in other words, when the sound generation is completed, the process proceeds to the next step B5. The tone generation channels with the same note number as the note number NTNM are assigned in order of assignment order, and the assignment order is the target assignment order TASN. Number of assignable tone generation channels GACN minus the assignment order TASN up to a value TASN
Search from the tone generation channel corresponding to the tone generation channel number MASS TASN of. Specifically, the assignment order in the tone generation channel management map is assigned from the target assignment order TASN.
The tone generation channel number of the assign order TASN up to a value obtained by subtracting “1” from CN. The tone generation channel number of the tone generation channel number corresponding to MASS TASN is compared with the note number NTNM, and the tone generation channel of which these note numbers match. If there is, the assignment order is rearranged so that the tone generation channel becomes the assignment target order.

[0242] In short, the assignment order of the tone generation channel whose note number first matches is the target assignment order TASN.
In addition, the tone generation channel number corresponding to the tone generation channel number MASS TASN of the assignment sequence TASN up to a value obtained by subtracting “1” from the assignment order of the tone generation channel whose note number first matches the target assignment sequence TASN. The assignment order is incremented by "1". For example, TASN is “0”, GACN is “10”, MASS 0
= 5, MASS 1 = 7, MASS 2 = 8, MASS 3 = 9 and the note number of the tone generation channel whose assignment order is "3" (MASS 3) is the same as the note number NTNM, MASS 0
= 9, MASS 1 = 5, MASS 2 = 7, MASS 3 = 8. When the processing is completed, the process proceeds to step B5.

If there is no tone generation channel having the same note number as the note number NTNM, the process proceeds to step B5. Similarly, the present modification can be applied to the second embodiment with appropriate modifications. <Modification 3> In this modification, a new musical sound is assigned as follows. If the tone generation channel to which the assignment order is assigned has finished sounding, it will be assigned to the tone generation channel to be assigned, and if the tone generation channel to be assigned has not finished sounding, the tone generation to be assigned will occur. When the channel has a continuous hitting relationship with a new note-on, it is assigned to the tone generation channel to be assigned. In addition, when the tone generation channel to be assigned has not finished sounding, if there is a tone generation channel that can be repeatedly assigned to a new note-on that can be assigned, this new assignable note-on and tone-related tone When the tone generation amount of the generation channel is virtually reduced to 1/10, and then the virtual tone generation amount becomes smaller than the tone generation amount of the musical tone generation channel to be assigned, which is corrected based on the consecutive hit relation, the musical tone in the consecutive hit relation Assign to a generation channel. If there is no tone generation channel that has a continuous hitting relationship with a new note-on that can be assigned, or if the virtual sound generation amount of the tone generation channel that has a continuous hitting effect is corrected based on the repeated hitting sound, the pronunciation of the tone generation channel to be assigned is corrected. If it does not become smaller than the amount, it is assigned to the tone generation channel to be assigned.

Next, the case applied to the first embodiment will be described. The process of B5p in Modification 2 is changed as follows. It is determined whether the tone generation channel of the target assign order TASN has a continuous hitting relationship with a new note-on tone. Specifically, the tone generation channel number of TASN assigned in the tone generation channel management map.
It is determined whether or not the note number of the tone generation channel number corresponding to MASS TASN and the note number NTNM are the same.
If these note numbers are the same, the process proceeds to step B5, and if they are not the same, the process proceeds to the next. The tone generation amount of the tone generation channel number corresponding to the tone generation channel number MASS TASN of the assignment order TASN in the tone generation channel management map is used as the evaluation tone generation amount. Number of tone generation channels that can be assigned from the next assignment order of the target assignment order TASN.
By subtracting "1", it is determined whether or not there is a continuous hitting relationship with any of the tone generation channels corresponding to the tone generation channel number MASS TASN of the assignment order TASN. Specifically, the assignment order in the tone generation channel management map
TASN tone generation channel number MASS Note number of tone generation channel number corresponding to TASN and target assignment order TASN
Number of channels that can be assigned from the next assignment order of
The tone generation channel number of the assignment order TASN up to the value obtained by subtracting “1” from GACN It is determined whether or not this note number is the same as any of the note number of the tone generation channel number corresponding to MASS TASN. If it is the same as that note number, the evaluation sound production amount is set to 1/10, and if it is not the same as any note number, it is not changed. And
When the processing is completed, the process proceeds to the next. The tone generation channels whose note numbers are the same as the note number NTNM are assigned in order of assignment, and the number of tone generation channels that can be assigned from the assignment order next to the assignment order TASN whose pronunciation amount is less than 10 times the evaluation pronunciation amount and the assignment order is the target The tone generation channel number of the assignment order TASN up to the value obtained by subtracting "1" from GACN
Search from the tone generation channel corresponding to MASS TASN. Specifically, the assignment order in the tone generation channel management map is assigned in the order of assignment order. The number of assignable tone generation channels from the assignment order next to the assignment order TASN. It is determined whether or not the note number of the tone generation channel number corresponding to the generation channel number MASSTASN is the same as the note number NTNM and the tone generation amount is less than 10 times the evaluation tone generation amount.
When there is a tone generation channel whose note number is the same as the note number NTNM and whose pronunciation amount is less than 10 times the evaluation tone amount, the assignment order is rearranged so that the tone generation channel becomes the assignment target order, If the note number is the same as the note number NTNM and there is no tone generation channel whose tone generation amount is less than 10 times the evaluated tone generation amount, no rearrangement is performed. When the processing is completed, the process proceeds to step B5. <Modification 4> In this modification, a new musical sound is assigned as follows. If the tone generation channel to which the assignment order is assigned has finished sounding, it will be assigned to the tone generation channel to be assigned, and if the tone generation channel to be assigned has not finished sounding, the tone generation to be assigned will occur. When the channel has a continuous hitting relationship with a new note-on, it is assigned to the tone generation channel to be assigned. In addition, when the tone generation channel to be assigned has not finished sounding, if there is a tone generation channel that can be repeatedly assigned to a new note-on that can be assigned, this new assignable note-on and tone-related tone The assignment order of the generation channels is virtually set, and when the virtual assignment order becomes smaller than the assignment order of the assignment target, it is assigned to the tone generation channel having the continuous hitting relationship.

If there is no tone generation channel in continuous hitting relation with a new note-on that can be assigned, or if the virtual assignment order of the tone generation channel in continuous hitting is not lower than the assignment order of assignment target tone Assign to a generation channel. Next, the case of application to the second embodiment will be described.

Prior to the processing of step B5 of the main assigner task, the following processing is performed. [B5p] When the target assignment order TASN is less than the number of allocatable tone generation channels GACN in the judgment in step B4; the tone generation channel number MASS TASN of the assignment order TASN in the tone generation channel management map
It is determined whether or not the stage number of the tone generation channel number corresponding to is above "0". If this stage number exceeds "0", proceed to the next step, "0"
If it does not exceed, in other words, if the sounding has ended, the process proceeds to the next step B5. It is determined whether the tone generation channel of the target assign order TASN has a continuous hitting relationship with a new note-on tone. Specifically, it is determined whether the note number of the tone generation channel number corresponding to the tone generation channel number MASS TASN of the assignment order TASN in the tone generation channel management map is the same as the note number NTNM. If these note numbers are the same, the process proceeds to step B5, and if they are not the same, the process proceeds to the next. It is determined whether the continuous hit flag of the tone generation channel number corresponding to the tone generation channel number MASS TASN of the assignment order TASN in the tone generation channel management map is "1". If the continuous hit flag is "1", the process proceeds to step B5, and if it is not "1", the process proceeds to the next. Note number is the same as note number NTNM The tone generation channels are assigned in order of assignment order, and the assignment order is the target assignment order TASN. Search from the tone generation channel corresponding to the tone generation channel number MASS TASN of. Specifically, the assignment order in the tone generation channel management map is assigned in the order of assignment order. The number of assignable tone generation channels from the assignment order next to the assignment order TASN. Determines whether the note number of the tone generation channel number corresponding to the generation channel number MASS TASN is the same as the note number NTNM. If there is a tone generation channel whose note number is the same as the note number NTNM, proceed to the next step, otherwise step B
Go to 5. First, the assignment order of the tone generation channel having the same note number as the note number NTNM is virtually changed by a process similar to the continuous hitting process of the update processing routine 11. In other words, a new assignment order is obtained when the assignment order is updated based on a new note-on, and then it is determined whether or not the virtual assignment order is smaller than the target assignment order TASN. When the virtual assignment order is lower than the target assignment order TASN, the assignment order is rearranged so that the tone generation channel is the allocation target order, and when it is not lower, the rearrangement is not performed. When the processing is completed, the process proceeds to step B5.

In each of the embodiments and the modified examples, the tone generation channels whose sound generation amount is equal to or less than the tone generation channel which can be regarded as the tone generation is substantially finished may be processed in the same manner as the tone generation channels whose tone generation is ended. . Also, the assignment order may be made earlier than when a plurality of consecutive hits occur. For example, when there are three tone generation channels with the same pitch, in the first embodiment, the pre-assigner tone generation amount of the tone generation channel with the lowest tone amount is changed to 1/100,
Next, the pre-assigner sound generation amount of the tone generation channel having the lower sound generation amount is changed to 1/10. Further, in the second embodiment, the state of the tone generation channel having the earliest assignment order is changed to a lower state, and the tone generation channel having the next lower sounding amount is changed to the earlier assignment order of the same state. .

Although the truncate prohibition phase number is the phase number at which the attack ends, it may be changed according to the period when the period that has a great influence on the performance expression immediately after the start of sounding is longer. good. For example, include a decay period. Further, it may be applied to a multitimba electronic musical instrument. In this case, the judgment condition of the continuous hitting relation includes that it is the same part, but if necessary, the related part may be included.

In the first and second embodiments, an example of multitask processing is shown, but single task processing may be used. At this time, for example, even if the same processing as the processing in the pre-assigner task is executed based on an interrupt such as a timer interrupt, or the processing in the main routine in which the key data is assigned to the tone generation channel is the same as the processing in the pre-assigner task. May be processed.

In the process of assigning the key data to the tone generation channel in step B5 of the main assigner task of the first and second embodiments, first, the tone generation is finished, in other words, the tone generation channel is vacant. Alternatively, if there is no vacant tone generation channel, a tone generation channel related to repeated hits may be searched for and assigned, and if there is no tone generation channel related to repeated strikes, for example, they may be assigned in the order of evaluation sound generation amount. Further, if there is no free tone generation channel, the evaluation tone generation amount of the continuous tone-related tone generation channel may be changed and then assigned based on the evaluation tone generation amount. It should be noted that it is preferable to include a musical tone based on new key data in the repeated hitting process. Further, first, in addition to the tone generation channels for which sound generation has ended, it may be assigned to tone generation channels whose sound generation amount is equal to or less than that at which sound generation can be considered substantially ended.

The present invention, in addition to an electronic musical instrument having a keyboard section, a so-called musical tone generating apparatus for generating musical tones based on performance information received from another electronic musical instrument having no keyboard section, for example, an automatic musical instrument, or It can also be applied to automatic rhythms. In addition, when applied to an automatic rhythm, the determination of the continuous hitting relation is made based on the same tone color or the like.

[0252]

As described above, according to the present invention, in order to predetermine the selection order of the tone generation channels to which new musical tones are assigned, the tone generation channels which are not in a sounding state as a whole It becomes a tone generation channel having a continuous hitting relationship, and it is possible to suppress a feeling of strangeness in performance expression.

[Brief description of drawings]

FIG. 1 is a schematic block diagram of a first embodiment of an electronic musical instrument assigning device according to the present invention.

FIG. 2 is a configuration diagram of a note map of the first embodiment.

FIG. 3 is a configuration diagram of an envelope management map of the first embodiment.

FIG. 4 is a configuration diagram of a task management map of the first embodiment.

FIG. 5 is a configuration diagram of a tone generation channel management map of the first embodiment.

FIG. 6 is a flowchart of a reset routine of the first embodiment.

FIG. 7 is a flowchart of an event wait monitor call routine according to the first embodiment.

FIG. 8 is a flowchart of an event occurrence monitor call routine of the first embodiment.

FIG. 9 is a flowchart of a timer interrupt processing routine of the first embodiment.

FIG. 10 is a flowchart of a key data reception interrupt processing routine of the first embodiment.

FIG. 11 is a flow chart diagram of a key data receiving task of the first embodiment.

FIG. 12 is a flow chart diagram of a main assigner task of the first embodiment.

FIG. 13 is a flow chart diagram of a pronunciation task of the first embodiment.

FIG. 14 is a flowchart of the pre-assigner task of the first embodiment.

FIG. 15 is a flowchart of a continuous hitting processing routine according to the first embodiment.

FIG. 16 is a flowchart diagram of an envelope task according to the first embodiment.

FIG. 17 is a flowchart of an operator task according to the first embodiment.

FIG. 18 is a flowchart of a repeated hitting processing routine for explaining a modified example.

FIG. 19 is a flowchart of the pre-assigner task of the second embodiment of the electronic musical instrument assigning device according to the present invention.

FIG. 20 is a flow chart diagram of an update processing 11 routine of the second embodiment of the electronic musical instrument allocating apparatus according to the present invention.

FIG. 21 is a flowchart of a continuous hitting processing routine of the second embodiment of the electronic musical instrument assigning device according to the present invention.

FIG. 22 is a flowchart of an update processing 12 routine of the second embodiment.

[Explanation of symbols]

20 keyboard 21 bus 22 CPU 23 Control group 24 pedals 25 ROM 26 RAM 27 timer 28 Operator detection circuit 29 Pedal detection circuit 30 tone generation circuit 31 amplifier 32 speakers

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[Procedure amendment]

[Submission date] November 6, 1991

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] Full text

[Correction method] Change

[Correction content]

[Document name] Statement

Patent application title: Electronic musical instrument assigning device

[Claims]

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic musical instrument allocating apparatus for selecting a musical tone generating channel and allocating a new musical tone, and more particularly to a technique for allocating a new musical tone in a continuous hit.

[0002]

2. Description of the Related Art Conventionally, in the above-mentioned electronic musical instrument allocating device, the following is performed in order to preset the selection order of the tone generation channels to which new musical tones are assigned. By pressing a key, the selection order of the tone generation channels is set to the order in which the tone is quickly assigned by note-on. The selection order of the tone generation channels is determined in the order of the assigned musical tone envelope level.

[0003]

With regard to the allocation of the continuous tone sounds, in consideration of the masking effect between the continuous tone sounds, all the new tone sounds in the continuous tone sounds are not individually allocated to the tone generation channels, but the continuous tone sounds are continuously allocated. It is important to limit the number of related tone generation channels in advance and to assign a new tone in the continuous hit within the range of the number for the following reason.

If the number of tone generation channels to which the continuous tone is assigned is not limited, a new tone is repeatedly produced even though the tone generated in the tone generation channels having the continuous tone relationship has relatively little influence on the performance expression. In order to assign different musical tones to the musical tone generating channels, new musical tones to be continuously hit are assigned to the musical tone generating channels producing useful musical tones in the performance expression according to the above-mentioned predetermined selection order. Therefore, the pronunciation of musical tones that are useful in musical expression is erased one after another by the repeated musical tones, which causes a feeling of strangeness in musical expression.

However, if the number of tone generation channels used for continuous tone sounds is simply limited, when the number of consecutive tone sounds assigned reaches the limited number, even if there are other tone generation channels in the sounding end state that can be assigned, Since the continuous-tapping musical tone is assigned to the musical tone generating channel that is already in the sounding state, a sense of incongruity is produced in the performance expression.

The present invention has been made in view of the above circumstances, and an object thereof is to preset a selection order of tone generation channels to which a new tone is assigned.
More generally, it is an object of the present invention to provide an electronic musical instrument allocating device capable of suppressing a sense of discomfort in musical performance expression in order to determine a musical tone generating channel to which a new musical tone is to be assigned in continuous tapping.

[0007]

In order to achieve the above-mentioned object, an electronic musical instrument assigning device according to a first aspect of the present invention is provided.
Basically, in an electronic musical instrument allocating device for selecting a musical tone generating channel and allocating a new musical tone, (a) a continuous hitting relation detecting means for detecting a musical tone generating channel having a continuous hitting relation among the musical tone generating channels in a sounding state. , (B) priority is given to at least one of the tone generation channels in the sounding state according to the assignment order based on a predetermined order criterion, with respect to the tone generation channels having the consecutive hit relation detected by the consecutive hit relation detecting means. Falsification means for falsifying the content subject to the rank criterion in the predetermined rank criterion so that a new musical sound is selected and assigned;
(c) Selection of a predetermined order for selecting a tone generation channel to which a new tone is to be assigned by the assignment order based on the above-mentioned predetermined order criterion for the tone generation channel based on the contents of the order criterion that is altered by this alteration means It is characterized by comprising means.

[0008]

With respect to the tone generation channels in the continuous hitting relationship detected from the tone generation channels in the sound generation state, the contents subject to the ranking criterion in the predetermined ranking criterion are tampered with. This tampering is performed so that at least a tone generation channel that is in a sound generation state is preferentially selected according to an assignment order based on a predetermined order criterion and a new tone is assigned. Based on the target contents of the falsified rank criterion, a selection rank for allocating a new musical sound to a musical tone generation channel is determined in advance according to the allocation rank based on a predetermined rank criterion.

[0009]

In order to achieve the above-mentioned object, an electronic musical instrument allocating device according to a second aspect of the present invention comprises:
Basically, in an electronic musical instrument allocating device for selecting a musical tone generating channel and allocating a new musical tone, (a) a continuous hitting relation detecting means for detecting a musical tone generating channel having a continuous hitting relation among the musical tone generating channels in a sounding state. , (B) priority is given to at least one of the tone generation channels in the sounding state according to the assignment order based on a predetermined order criterion, with respect to the tone generation channels having the consecutive hit relation detected by the consecutive hit relation detecting means. Falsification means for falsifying the content subject to the rank criterion in the predetermined rank criterion so that a new musical sound is selected and assigned;
(c) It is characterized by comprising a channel selection means for selecting a tone generation channel based on the contents of the rank criterion to be tampered by this tampering means and assigning a new music tone based on the predetermined rank criterion. is there.

[0010]

With respect to the tone generation channels in the continuous hitting relationship detected from the tone generation channels in the sound generation state, the contents subject to the ranking criterion in the predetermined ranking criterion are tampered with. This tampering is performed so that at least a tone generation channel that is in a sound generation state is preferentially selected according to an assignment order based on a predetermined order criterion and a new tone is assigned. Based on the contents of the falsified rank criterion, a tone generation channel is selected based on a predetermined rank criterion and a new tone is assigned.

[0011]

In order to achieve the above-mentioned object, an electronic musical instrument assigning device according to a third aspect of the present invention is provided.
Basically, in an electronic musical instrument allocating device for selecting a musical tone generating channel and allocating a new musical tone, (a) a continuous hitting relation detecting means for detecting a musical tone generating channel having a continuous hitting relation among the musical tone generating channels in a sounding state. , (B) With respect to the tone generation channels having the consecutive hitting relation detected by the consecutive hitting relation detecting means, the tone generation channels in the sounding state are preferentially selected according to the allocation order based on a predetermined order criterion. Falsification means for falsifying the contents subject to the rank criterion in the predetermined rank criterion so that a new musical sound is assigned and (c) first, if there is a tone generation channel in the pronunciation end state, the tone generation end state is set. If there is no musical tone generation channel next to a certain musical tone generation channel and all musical tone generation channels are It is characterized by comprising channel selection means for preferentially selecting a tone generation channel based on the predetermined order criterion based on the contents of the order criterion altered by the alteration means and assigning a new tone. is there.

[0012]

With respect to the tone generation channels in the continuous hitting relationship detected from the tone generation channels in the sound generation state, the contents subject to the ranking criterion in the predetermined ranking criterion are tampered with. This tampering allows a new tone to be assigned by preferentially selecting one of the tone generation channels in the sounding state according to the assignment order based on a predetermined order criterion. Thus, if there is a tone generation channel in the tone generation end state, the tone generation channel in the tone generation end state is selected and a new tone is assigned. Next, if there is no tone generation channel in the tone generation end state and all tone generation channels are in the tone generation state, the tone generation is performed based on the predetermined ranking criterion based on the contents of the falsified ranking criterion described above. Select a channel and assign a new tone.

[0013]

In order to achieve the above-mentioned object, an electronic musical instrument assigning apparatus according to a fourth aspect of the present invention is provided.
Basically, in an electronic musical instrument allocating device for selecting a musical tone generating channel and allocating a new musical tone, (a) a continuous hitting relation detecting means for detecting a musical tone generating channel having a continuous hitting relation among the musical tone generating channels in a sounding state. , (B) With respect to the tone generation channels having the consecutive hitting relation detected by the consecutive hitting relation detecting means, the tone generation channels in the sounding state are preferentially selected according to the allocation order based on a predetermined order criterion. Tampering means for tampering with the contents subject to the rank criterion in the above-mentioned predetermined rank criteria so that a new music sound is assigned, and (c) an assignment target based on a predetermined selection order of the tone generation channel to which the new music tone is assigned. If the tone generation channel is in the tone end state, the tone generation channel in the tone end state is If the target tone generation channel is not in the tone generation end state, the tone generation channel is preferentially selected based on the predetermined rank criterion based on the target content of the rank criterion that is tampered with by the tampering means, and a new music tone is selected. It is characterized in that it comprises a channel selection means for allocating.

[0014]

With respect to the tone generation channels in the continuous hitting relationship detected from the tone generation channels in the sound generation state, the contents subject to the ranking criterion in the predetermined ranking criterion are tampered with. This tampering allows a new tone to be assigned by preferentially selecting one of the tone generation channels in the sounding state according to the assignment order based on a predetermined order criterion. In this way, when the tone generation channel to be assigned based on the predetermined selection order of tone generation channels to which a new tone is assigned is in the tone generation end state, the tone generation channel in the tone generation end state is selected and a new tone is assigned. Next, if the tone generation channel to be assigned is not in the tone generation end state, the tone generation channel is selected based on the predetermined rank criterion based on the contents of the falsified rank criterion described above, and a new music tone generation channel is selected. Assign

Note that, for example, the predetermined ranking criteria are as follows. 1. The contents subject to the order criterion are set as the sound generation amount of the musical sound in the musical sound generation channel, and the musical sound generation channel having the smaller generated sound amount is prioritized. 2. The content of the rank criterion is the tone generation state including the note-on tone generation state and the note-off tone generation state of the tone in the tone generation channel. At least the tone generation channel in the note-off state is in the note-on state. Give priority to the source channel. 3. The content of the rank criterion is a sounding state mode including a note-on sounding state and a note-off sounding state of a musical sound in the musical tone generating channel, and a musical sound at least in the note-off sounding state as the amount of musical sound generated in the musical tone generating channel. The tone generation channel is prioritized over the tone generation channel in the note-on tone generation state, and the tone generation channel in which the tone generation amount is low is given priority at least in the tone-off tone generation channel. 4. The target content of the ranking criterion is a mode of the tone generation state and tone generation end state of the tone in the tone generation channel, and the tone generation channel in the tone generation end state has priority over the tone generation channel in the tone generation state.

The predetermined rank criterion may be a rank criterion that includes the aspects of the sounding state of the damper and / or the sounding state of sostenuto in the contents of the rank criterion. On the other hand, another electronic musical instrument allocating device according to the present invention is, in order to achieve the above-mentioned object, an electronic musical instrument allocating device for selecting a musical tone generating channel and allocating a new musical tone, wherein: A continuous hitting relation detecting means for detecting a musical sound generating channel having a continuous hitting relationship from among the generating channels, and (b) a musical sound generating channel having a continuous hitting relationship detected by the continuous hitting relation detecting means, rather than a musical sound generating channel having no continuous hitting relationship. It is characterized in that it further comprises channel selecting means for selecting a musical tone generating channel which is in the sound generation end state and for allocating a new musical tone.

Further, (a) a continuous hitting relation detecting means for detecting a musical sound generating channel having a continuous hitting relationship among the musical sound generating channels in a sounding state, and (b) first, if there is a musical sound generating channel in a sounding end state, When there is no tone generation channel in the tone generation end state and all tone generation channels are in the tone generation state next, the tone generation channel in the tone generation end state is prioritized to the tone generation channel detected by the continuous hitting relationship detecting means. It is characterized by comprising a channel selection means for selecting and assigning a new musical sound.

In addition, (a) a continuous hitting relation detecting means for detecting a musical sound generating channel having a continuous hitting relationship among the musical sound generating channels in a sounding state, and (b) a predetermined selection order of the musical sound generating channels to which a new musical sound is assigned. If the tone generation channel to be allocated based on the tone generation channel is in the tone generation end state, the tone generation channel in the tone generation end state is detected next, and if the tone sound generation channel to be assigned is not in the tone generation end state, the continuous hit relationship detection is performed. The present invention is characterized by comprising channel selection means for preferentially selecting a tone generation channel detected by the means and assigning a new tone.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First Embodiment Next, a specific embodiment in which the electronic musical instrument assigning apparatus according to the present invention is applied to an electronic musical instrument which produces a musical sound of a damping tone system will be described with reference to the drawings. First, in FIG. 1, the keyboard unit 20 is composed of a keyboard and a key operation detection circuit, and a key operated on the keyboard is detected by the key operation detection circuit to generate key data corresponding to the detected key. Interrupts the CPU 22 via the bus 21. The operator group 23 is composed of a plurality of operators for selecting a tone color, and the pedal group 24 is composed of a damper pedal, a sostenuto pedal and the like. Further, the ROM 25 pre-stores programs executed by the CPU 22, data and tables necessary for each processing, and the RAM 26 has working areas including various registers necessary for executing the programs set therein. . The timer 27 issues a timer interrupt to the CPU 22 at a predetermined time interval (1 mSec).

The CPU 22 executes a predetermined program, receives key data from the keyboard section 20 in response to an interrupt from the keyboard section 20, and writes this key data in a corresponding register of the RAM 26. Further, based on a timer interrupt from the timer 27, the operation setting state of the operator group 23 and the operation state of the pedal group 24 are detected by controlling the operator detecting circuit 28 and the pedal detecting circuit 29 at predetermined time intervals, and the operator is detected. The data and the pedal data are written in the corresponding registers of the RAM 26. Furthermore, a tone generation circuit 3 having 16 tone generation channels is executed by executing a predetermined program based on the written key data.
Control 0. The tone generation circuit 30 generates a desired tone signal under the control of the CPU 22 and sends it to the speaker 32 via the amplifier 31 to generate a tone.

The musical tone generation channel generates a musical tone signal based on a musical tone generation instruction from the CPU 22 and a musical tone generation parameter given at that time, and changes the generated musical tone signal according to the passage of time. Further, the tone generation channel interpolates the envelope level based on the target value given by the CPU 22 indicating the envelope level to be reached next and the rate indicating the amount of change of the envelope level per a predetermined time to generate a smooth envelope. Control the amplitude of the musical tone signal, attenuate the envelope level in accordance with a predetermined rapid attenuation rate in response to a rapid attenuation instruction, and when the envelope level becomes “0”, the rapid attenuation end FIFO provided in the musical tone generation circuit 30 is controlled. Stack the tone generation channel numbers.

Next, various maps such as a note map set in a predetermined area of the RAM 26 will be described with reference to FIGS. 2 to 5 show a part of these maps. The note map (FIG. 2) "0" to "127" stores the following in correspondence with the note number indicating the pitch of the musical tone.

(1) Note status: Note on is indicated by "1" and note off is indicated by "0". (2) Sostenuto status: Indicates sostenuto on by "1" and sostenuto off by "0". The task management map (FIG. 4) "1" to "7" stores the following items corresponding to the task numbers indicating the types of tasks. As for the task numbers, "1" is a key data receiving task, "2" is a main assigner task, "3" is a sounding task, "4" is a pre-assigner task, "5" is an envelope task, and "6" is The pedal task, “7”, is an operator task, and the lower the number, the higher the priority.

(1) Timer processing request flag: "1" indicates that timer processing is required. (2) Status: "0" indicates that the task status is run, and "1" indicates that the task status is ready.
The weight is indicated by "2". (3) Waiting event value: Indicates the type of waiting event whose status is wait.

(4) Event occurrence flag: The occurrence of an event is indicated by "1" for each event of the task. Music tone generation channel management map (FIG. 5) The following are stored in correspondence with the tone generation channel numbers indicating 16 tone generation channels by numbers "0" to "15".

(1) Sound Generation Amount: The sound generation amount of the tone currently being sounded is indicated by "0000H" to "FFFFH". (2) Truncate prohibition flag: A prohibition of allocation of a new musical tone is indicated by "1". (3) Rapidly decaying flag: Indicates by "1" that the previous musical tone is being rapidly decayed.

(4) Processing wait flag 1: The processing wait of the first processing in the sounding task is indicated by "1". (5) Processing wait flag 2: The processing wait of the second processing in the sounding task is indicated by "1". (6) Processing wait flag 3: The processing wait of the third processing in the sounding task is indicated by "1".

(7) Note number: Indicates the pitch of a musical tone. (8) Velocity: Indicates the velocity of the musical sound. (9) Musical tone generation parameter group: Indicates the values of various parameters related to musical tone generation. Envelope management map (FIG. 3) The followings are stored corresponding to the envelope channel numbers indicating 16 envelope channels by numbers "0" to "15" corresponding to each tone generation channel.

(1) Envelope level: The envelope level is indicated by "0000H" to "FFFFH". (2) Target value: The envelope level to be reached next is indicated by "0000H" to "FFFFH". (3) Rate: Indicates the amount of change in the envelope level per predetermined time (5 mSec). Specifically, it is composed of a sign bit indicating positive and negative and a data bit whose absolute value is represented by "0000H" to "FFFFH".

(4) Phase number: Indicates the current phase number (elapsed stage from the start of tone generation). (5) Truncate prohibition phase number: Indicates the final phase number for which allocation of new musical tones is prohibited. (6) Envelope generation parameter group: Indicates the values of various parameters related to the generation of musical sound envelopes.

Next, the basic operation of the electronic musical instrument constructed as described above will be described with reference to the flow charts shown in FIGS. Various variables used in the flowcharts of FIGS. 6 to 17 are as follows. NSTK request source task number: Indicates the task number of the task that made the monitor call.

NSET request source event value: Indicates the type of event to be processed next in the task that made the monitor call. NDTK request destination task number: Shows the task number of the next scheduled task. NDET Request destination event value: Indicates the type of event to be processed in the next scheduled task.

IEDF initialization completion flag: Completion of initialization in all tasks is indicated by "1". TCTN Timer interrupt processing target number: Indicates the task number of the timer interrupt processing target. TCNE [N] Nth task timer counter value: Indicates the value of the timer counter for the task whose task number is N.

TCND [N] Nth task time interval: indicates the time interval for issuing a timer event to the task with the task number N. TCNE [TCTN] TCTN task timer counter value: Shows the value of the task timer counter whose task number is the timer interrupt processing target number TCTN. TCND [TCTN] TCTN task time interval: Indicates the time interval for issuing a timer event to the task whose task number is the timer interrupt processing target number TCTN. [Key data receiving task] NTNM note number: Indicates the pitch of performance information based on the note-on message and / or the note-off message.

NTST note status: Performance information based on the note-on message is indicated by "1", and performance information based on the note-off message is indicated by "0". NTVL velocity: Indicates the velocity of performance information based on the note-on message. [Main Assigner Task] MASS [N] Musical tone generation channel number of Nth assigned order: Indicates the tone channel number of the musical tone generation channel whose assigned order is the Nth assigned order (Nth assigned order).

TASN Target Assign Order: Indicates the assign order number of the assign target. MAEF Main assigner processing flag: “1” indicates that new assign processing was performed in the main assigner task
I will show you. MASS [TASN] Music tone generation channel number of assignment order TASN: Indicates the tone generation channel number of the tone generation channel whose assignment order is the target assignment order TASN.

GACN Number of assignable tone generation channels: Shows the number of assignable tone generation channels. [Sounding task] GCTN Sound generation channel number for sound generation processing: Indicates the sound generation channel number for processing.

TDNF rapid attenuation incomplete flag: Indicates by "1" that one of the tone generation channels is undergoing rapid attenuation. [Pre-assigner task] GN Music tone generation channel number PLEV [GN] Music tone generation channel number GN pre-assigner pronunciation amount N Pre-assigned rank PASS [N] Nth pre-assigned rank Music tone generation channel number: Pre-assigned rank is N-th rank The tone generation channel number of the tone generation channel is shown.

PACN Number of assignable tone generation channels of pre-signer: Indicates the number of assignable tone generation channels in the pre-assigner task. PCTN Repeated hit processing number RSEF Repeated hit detection flag: Indicates the continuous hit detection by "1". SCTN consecutive hit comparison target number PASS [PCTN] Tone generation channel number of consecutive hit processing number PCTN: Indicates the tone generation channel number of the consecutive hit processing target number PCTN.

PLEV [PCTN] Pre-Assigner Sound Generation Amount of Continuous Hitting Processing Number PCTN: The tone generation channel number indicates the pre-assigner sound output amount of the consecutive hitting processing number PCTN. PASS [SCTN] Tone generation channel number of consecutive hit comparison number SCTN: Indicates the tone generation channel number of pre-assigned rank consecutive hit comparison number SCTN. PLEV [SCTN] Pre-assigner sound output amount of consecutive hit comparison target number SCTN: Indicates the pre-signer sound output amount of the tone generation channel number of consecutive hit comparison target number SCTN. [Envelope task] ECTN Envelope processing target number ENNM Envelope processing target number [Pedal task] DMPV damper value In this embodiment, various tasks (key data receiving task, main assigner task, sounding task, pre-assigner task, envelope task) , Pedal task, operator task) are processed in multitasking,
The monitor program performs priority processing between tasks. Here, the monitor program includes a reset routine, an event wait monitor call routine, an event occurrence monitor call routine, a timer interrupt processing routine, and a key data reception interrupt processing routine.

First, the monitor program will be described with reference to the flow charts shown in FIGS. Reset Routine (FIG. 6) This routine is executed when a reset is applied when the power is turned on. The processing in each step ZA1 to ZA3 is as follows.

[ZA1] The statuses of all task numbers in the task management map are set to "1: ready", and the timer processing request flag, the wait event value, and the event occurrence flag are set to "0". Further, initial setting such as setting the initial setting completion flag IEDF to “0: incomplete initial setting” is performed. [ZA2] The request source task number NSTK is updated to "1: key data reception task", and the status of the task number "1: key data reception task" in the task management map is set to "0: run".

[ZA3] The key data reception task is executed. Event wait monitor call routine (FIG. 7) This routine is executed when the task under execution makes an event wait monitor call. The processing in each step ZB1 to ZB5 is as follows. [ZB1] For the task number corresponding to the request source task number NSTK in the task management map, one of the event occurrence flags corresponding to the bit that is “1” in the binary representation of the request source event value NSET is “1: event occurrence”. It is determined whether or not it is ". If any of the corresponding event generation flags is "1: event generation", the process returns to the task that made the event wait monitor call.

In determining the event occurrence flag, for example, the first event occurrence flag is set when the request source event value NSET is "1", and the second event is set when the request source event value NSET is "2". If the occurrence flag and the request source event value NSET are "3", the first and second
Determine the event occurrence flag. [ZB2] In the determination in step ZB1, when none of the determination target event occurrence flags is “1” and does not indicate the occurrence of an event, the task number corresponding to the request source task number NSTK in the task management map Set the status to "2: wait" and set the wait event value to the request source event value NSET. In addition, interruption processing such as saving the contents of registers in use in the request source task to the stack area in preparation for resumption of processing (hereinafter simply referred to as request source task interruption processing)
I do.

[ZB3] Check the task management map,
A "ready" task whose priority is lower than the task that made the event wait monitor call and the corresponding status indicates "1: ready" is searched for in the order of task numbers. If there is no "ready" task whose status is "1: ready", the request source task number NSTK is "8" indicating sleep.
Set to sleep. From the sleep, a timer interrupt processing routine or a key data reception interrupt processing routine, which will be described later, is activated based on a hardware interrupt from the timer 27 or the key operation detection circuit.

[ZB4] When the highest priority "ready" task is found in step ZB3, the request source task number
NSTK is updated to the task number of the highest priority "ready" task, and the status of the task number of the highest priority "ready" task in the task management map is "0:
Set to “Run”. [ZB5] Executes the task corresponding to the request source task number NSTK. When executing the task, restore the data saved in the stack area to the original registers in the task interrupt processing, etc. Restart processing (hereinafter, simply referred to as restart processing).

Event occurrence monitor call routine (Fig.
8) This routine is executed when the task under execution makes an event occurrence monitor call. The processing in each step ZC1 to ZC7 is as follows. [ZC1] For the task number corresponding to the requested task number NDTK in the task management map, the event occurrence flag corresponding to the bit that is "1" in the binary representation of the requested event value NDET is set to "1". For example,
When the requested event value NDET is "1", the first event occurrence flag is set, and when the requested event value NDET is "2", the second event occurrence flag is set to "1".

[ZC2] It is determined whether or not the status of the task number corresponding to the requested task number NDTK in the task management map is "2: wait" and the wait event value corresponds to the requested event value NDET. If the status is not “2: wait” or the wait event value does not correspond to the request destination event value NDET, the task that made this monitor call is returned to.

The wait event value is the request destination event value.
Whether or not NDET is supported is determined by checking if any of the bits in the binary representation of the requested event value NDET corresponding to the bit that is "1" in the binary representation of the wait event value is "1". Depending on whether or not there is. For example, if the wait event value is "1", the first bit of the request destination event value NDET is "1", and if the wait event value is "2", the second bit of the request destination event value NDET is When the wait event value is "1" and the wait event value is "3", it is determined that the request destination event value NDET corresponds when the first or second bit is "1".

[ZC3] In the determination in step ZC2, when the status of the determination target is "2: wait" and the waiting event value corresponds to the requested event value NDET, this status is set to "1: ready". To do. [ZC4] Request destination task number NDTK is the request source task number
Whether or not the priority of the requested task is higher than that of the requested task is determined by whether or not it is less than NSTK. If the request-destination task number NDTK is not less than the request-source task number NSTK and the priority of the request-destination task is not high, the task that made the monitor call is returned to.

[ZC5] In the determination at step ZC4, the request destination task number NDTK is the request source task number NS.
If the priority of the request destination task is less than TK and the priority of the request destination task is high, the status of the task number corresponding to the request source task number NSTK in the task management map is set to "1: ready" and the request source is prepared in preparation for restarting the processing. Performs task suspension processing.

[ZC6] The request source task number NSTK is updated to the request destination task number NDTK, and the status of the task number corresponding to the request destination task number NDTK in the task management map is set to "0: run". [ZC7] The task having the task number corresponding to the requested task number NDTK is executed. When executing a task, the task is restarted.

Timer Interrupt Processing Routine (FIG. 9) When a timer interrupt is issued from the timer 27, the timer counter corresponding to each task is checked first, and if the value of this timer counter exceeds "1", that timer counter is processed. The value of is decremented by "1", and if it does not exceed "1", the first event occurrence flag of the task number of the task in the task management map is set to "1: event occurrence" and this task number When the status of the task is "2: wait", the status is set to "1: ready", and the task with the next highest priority is judged sequentially to determine whether or not the task should be executed, and the condition is first set. It is a routine that executes the tasks to be satisfied. The processing in each of the steps ZD1 to ZD16 is as follows.

[ZD1] It is determined whether or not the initial setting completion flag IEDF is "1: initial setting completed". If the initialization completion flag IEDF is not "1", the initialization of all tasks has not been completed yet, so the timer interrupt processing is terminated and the processing before the timer interrupt is returned.
If the value is "1", the initial setting of each task, which will be described later, has been completed, and the process proceeds to the next step ZD2.

[ZD2] The timer interrupt processing target number TCTN indicating the task number of the timer interrupt processing target is set to "7". [ZD3] It is determined whether or not the timer process request flag of the task number corresponding to the timer interrupt process target number TCTN in the task management map is "1: request". If the timer processing request flag is not "1", the process proceeds to step ZD8.

[ZD4] If it is determined in step ZD3 that the timer processing request flag to be determined is "1: request", does the TCTN task timer counter value TCNE [TCTN] exceed "1"? Determine whether or not. When the TCTN task timer counter value TCNE [TCTN] exceeds "1", the process proceeds to step ZD10.

[ZD5] In the determination at step ZD4, the TCTN task timer counter value TCNE [TCTN]
If the value does not exceed “1”, first, the TCTN task timer counter value TCNE [TCTN] is set to the TCTN task time interval TC.
ND [TCTN] is added, and this added value is used as a new TCTN.
Set the task timer counter value TCNE [TCTN]. Next, the timer interrupt processing target number TCTN in the task management map
The first event occurrence flag of the task number corresponding to is set to "1: event occurrence".

[ZD6] The status of the task number corresponding to the timer interrupt processing target number TCTN in the task management map is "2: wait", and the first bit in the binary representation of the wait event value of the task number is "1".
(For example, it is determined whether or not the wait event value is “1”, “3”). If the status is not "2: wait" or the first bit in the binary representation of the wait event value is not "1", the process proceeds to step ZD8.

[ZD7] In the determination in step ZD6, when the status of the determination target is “2: wait” and the first bit in the binary representation of the wait event value of the determination target is “1”, task management Set the status of the task number corresponding to the timer interrupt processing target number TCTN in the map to "1: ready". [ZD8] It is determined whether the timer interrupt processing target number TCTN exceeds "1". If the timer interrupt processing target number TCTN does not exceed "1", the process of setting the event occurrence flag is completed, and the process proceeds to step ZD11.

[ZD9] If the timer interrupt processing target number TCTN exceeds "1" in the determination in step ZD8, the timer interrupt processing target number TCTN is decremented by "1" and the process returns to step ZD3. [ZD10] In the determination in step ZD4,
If the TCTN task timer counter value TCNE [TCTN] exceeds "1", the TCTN task timer counter value TC
Decrement NE [TCTN] by "1" and step ZD
Go to 8.

[ZD11] Timer interrupt processing target number
It is determined whether TCTN is less than the request source task number NSTK indicating the processing before the timer interrupt is generated in this routine. If the timer interrupt processing target number TCTN is not less than the request source task number NSTK, the priority of the task being executed when the timer interrupt occurred is not lower than the priority of the task corresponding to the processing target number TCTN. Terminates interrupt processing and returns to the task.

[ZD12] If it is determined in step ZD11 that the timer interrupt processing target number TCTN is less than the request source task number NSTK, the status of the task number corresponding to the timer interrupt processing target number TCTN in the task management map is " 1: determine whether or not it is “ready”. If the status is not "1", the process proceeds to step ZD16.

[ZD13] In the determination in step ZD12, the status of the determination target is "1: ready".
If it is, the status of the task number corresponding to the request source task number NSTK in the task management map is “1:
In addition to setting to "Ready", the task corresponding to the request source task number NSTK is interrupted in preparation for the resumption of processing.

[ZD14] The request source task number NSTK is updated to the timer interrupt processing target number TCTN, and the status of the task number corresponding to the timer interrupt processing target number TCTN in the task management map is set to "0: run". [ZD15] A timer event is generated. In other words, the task with the task number corresponding to the timer interrupt processing target number TCTN is executed. When executing a task, the task is restarted.

[ZD16] In the determination in step ZD12, the status of the determination target is "1: ready".
If not, the timer interrupt processing target number TCTN is incremented by "1" and the process returns to step ZD11. Key data reception interrupt processing routine (FIG. 10) This routine is executed when a key operation detection circuit receives an interrupt to generate a key data reception event. The processing in each step ZE1 to ZE6 is as follows.

[ZE1] It is determined whether or not the initial setting completion flag IEDF is "1: complete". If the initialization completion flag IEDF is not "1", the initialization of all the tasks has not been completed yet, so the key data reception interrupt process is terminated and the process returns to the process before the generation of the key data reception interrupt. [ZE2] If the initial setting completion flag IEDF is "1: complete" in the determination at step ZE1, the first event occurrence flag of the task number "1: key data reception task" in the task management map is "1: occurred". Set to ".

[ZE3] It is determined whether or not the status of the task number "1: key data reception task" in the task management map is "2: wait" and the wait event value is "1: wait for key data reception event". To do. If the status is not "2: wait" or the wait event value is not "1: wait for key data reception event", the key data reception interrupt process is terminated and the process returns to the process before the key data reception interrupt occurs.

[ZE4] In the determination in step ZE3, when the status of the determination target is "2", the wait event value is "1" and the key data reception event is waiting, before the key data reception interrupt is generated in the routine. It is determined whether or not the request source task number NSTK indicating the processing of is less than “8”. If the request source task number NSTK is less than "8", the status of the task number corresponding to the request source task number NSTK in the task management map is set to "1: ready" and a timer is provided in preparation for restarting the process. Performs interrupt processing of the task before the interrupt occurred. If it is not less than "8", no special processing is required.

[ZE5] The request source task number NSTK is updated to the task number "1: key data receiving task", and the status of the task number "1: key data receiving task" in the task management map is changed to "0: run". Set. [ZE6] Generate a key data reception event.
In other words, the key data reception task is executed. When executing the task, the key data receiving task is restarted.

Next, each task is a key data receiving task,
The main assigner task, the pronunciation task, the pre-assigner task, the envelope task, the pedal task, and the operator task will be described in this order. In addition, at the time of the first processing in each task after the reset is applied at the time of turning on the power, etc., it starts from the first step, for example, the key data receiving task described below from step A1. Also, when interrupting the processing of a certain task and restarting the processing after that,
The suspended process is restarted so that the process at the time of suspension in this task is continued. For example, if an event wait monitor call is made in step A2 of the key data reception task and interrupt processing is performed instead of an event occurrence in the judgment in the event wait monitor call routine, then key data reception interrupt occurs and the key data reception When the restart processing is performed in the interrupt routine, the processing is restarted from step A3 following the event waiting monitor call in step A2.

Key data receiving task (FIG. 11) When a key data receiving event occurs, the key data is read from the key operation detecting circuit and an assignment request event is generated. The processing in each of the steps A1 to A7 is as follows. [A1] Clear the note map and set variables and the like occupied by the key data receiving task to initial values.

[A2] Request source event value NSET is set to "1"
Set to and make an event wait monitor call. When the key data reception event occurs, the process proceeds to the next step A3. [A3] Task number “1:” in the task management map
The first event occurrence flag of the "key data reception task" is set to "0" and the wait event value is set to "0." [A4] The key data is read from the key operation detection circuit,
The note number, note status and note velocity of this key data corresponds to the note number NTN
M, note status NTST and velocity NTVL.

[A5] Note status NTST is "1:"
It is determined whether or not the key is pressed. This note status
If NTST is not "1", go to the next step A6,
If it is "1", the process proceeds to step A7. [A6] The note status of the note number corresponding to the note number NTNM in the key release processing note map is set to "0", and step A
Return to 2.

[A7] Key Depressing Process First, the note status of the note number corresponding to the note number NTNM in the note map is set to "1". Next, an assign request event is generated. In other words,
Requested task number NDTK is "2: Main assigner task"
Then, the requested event value NDET is set to "1" and an event occurrence monitor call is made. Then, the process returns to step A2.

When an assign request event occurs in the main assigner task (FIG. 12) , the note number NTNM is displayed in a predetermined area of the tone generation channel management map based on the assign order set in the pre-assigner task described later.
It is a task to write the etc. and generate a pronunciation request event. The processing in each of the steps B1 to B7 is as follows.

[B1] The tone generation channel management map is cleared and the variables occupied by this main assigner task are set to initial values. Also, the N-th assigned musical tone generation channel number MASS [N] (N is 0, 1, ... 15)
To each corresponding "N (= 0,1, -15)". Also,
The target assign order TASN is set to "0", and the number of allocatable tone generation channels GACN is set to "16" which is the maximum number.

[B2] Request source event value NSET is set to "1".
Set to and make an event wait monitor call. When an assign request event occurs, the process proceeds to the next step B3. [B3] Task number “2: in task management map”
Set the wait event value of "main assigned task" to "0",
The first event occurrence flag is set to "0".

[B4] It is determined whether or not the target assign order TASN is less than the number of allocatable tone generation channels GACN. If the target assignment order TASN is not less than the number of allocatable tone generation channels GACN, there is no more tone generation channel to be assigned anymore, and the process returns to step B2. [B5] If the target assignment order TASN is less than the number of assignable tone generation channels GACN in the determination in step B4, the tone generation channel number corresponding to the tone generation channel number MASS [TASN] of the assignment order TASN in the tone generation channel management map The processing wait flag 1, the processing wait flag 2, and the processing wait flag 3 are set to "1; waiting for processing", the note number to the note number NTNM, the note status to "1", and the velocity to the velocity NTVL. Further, the main assigner processing flag MAEF is set to "1: main assigner processing".

[B6] A sounding request event is generated.
In other words, the request generation task number NDTK is set to "3: sounding task" and the request destination event value NDET is set to "2" to make an event occurrence monitor call. [B7] The target assignment order TASN is incremented by "1" and the process returns to step B2.

Sounding task (FIGS. 13 (A) and (B)) A new sound is generated when a sound generation request event occurs. If the previous sound generation is not finished in the sound generation channel, the start of rapid attenuation is instructed ( (1st processing), based on the note number NTNM, etc., parameters for musical tone generation are calculated and set (2nd processing), and when the pronunciation is finished, or when finished, a new pronunciation is made to the musical tone generation channel. Is a task for instructing (third processing). The processing in steps C1 to C27 is as follows.

[C1] The variables occupied by the task are set to initial values, the rapid decay end FIFO storing the tone generation channel number for which rapid decay is terminated is cleared, and the tone generation circuit 30 is initialized. Turn into. Also, the third task timer counter value TCNE [3]
And the third task time interval TCND [3] are set to "0", and the timer processing request flag of the task number "3: sounding task" in the task management map is set to "1: request".

[C2] Request source event value NSET is set to "2"
Set to and make an event wait monitor call. When a sound generation request event occurs, the process proceeds to the next step C3. [C3] First, the wait event value of the task number "3: sounding task" in the task management map is set to "0", and the second
The event generation flag is set to "0", and then the tone generation target tone generation channel number GCTN is set to "0".

[C4] It is determined whether or not the processing wait flag 1 of the tone generation channel number corresponding to the tone generation target tone generation channel number GCTN in the tone generation channel management map is "1: waiting for processing". If the processing wait flag 1 is "1", the process proceeds to the next step C5,
If it is not "1" and the first process (steps C5 to C7) is unnecessary, the process proceeds to step C8.

[C5] The envelope level of the envelope channel number corresponding to the tone generation channel number GCTN to be sounded in the envelope management map is "0".
Or not. If the envelope level is not "0", the process proceeds to the next step C6, and is "0".
If the rapid damping process is unnecessary in step C7, the process proceeds to step C7.

[C6] The rapid decay flag of the tone generation channel number corresponding to the tone generation target tone generation channel number GCTN in the tone generation channel management map is set to "1;"FFFF
Set to H "and instruct the corresponding tone generation channel to perform rapid attenuation. When instructing rapid attenuation, set the target value to" 0 "and set the rate to the rapid attenuation rate to generate the corresponding tone. Transfer to channel.

[C7] The processing wait flag 1 of the tone generation channel number corresponding to the tone generation target tone generation channel number GCTN in the tone generation channel management map is set to "0". [C8] It is determined whether the tone generation channel number GCTN to be sounded is less than "15". If the tone generation channel number GCTN subject to the tone processing is less than "15", the process proceeds to the next step C9. If the tone generation channel number GCTN is not less than "15" and the first process has been completed for all tone generation channels, the step is performed. Proceed to C10.

[C9] The tone generation target tone generation channel number GCTN is incremented by "1" to prepare for the processing of the next tone generation channel, and the process returns to step C4. [C10] The tone generation channel number GCTN to be sounded is set to "0". [C11] The processing wait flag 2 of the tone generation channel number corresponding to the tone generation channel number GCTN to be sounded in the tone generation channel management map is set to "1: waiting for processing".
Or not. If the processing wait flag 2 is "1", the process proceeds to the next step C12,
If it is not "1" and the second process (step C12) is unnecessary, the process proceeds to step C13.

[C12] The tone generation target tone generation channel in the tone generation channel management map is set to the values of various parameters relating to the tone generation and tone envelope generation of the tone generation channel corresponding to the tone generation target tone generation channel number GCTN. The note number of the tone generation channel number corresponding to the number GCTN, the velocity, and the tone color parameter group set in step G4 of the operator data reception task described later are calculated, and the values of the various calculated parameters are calculated. Musical tone generation channel number of tone generation target tone generation channel number in management map and musical tone generation parameter group of tone generation target tone generation channel number in envelope management map and envelope generation parameter of envelope channel number corresponding to tone generation target tone generation channel number GCTN in management map Set of the corresponding parameter. At the same time, the processing wait flag 2 is set to "0".

[C13] It is determined whether or not the tone generation target tone generation channel number GCTN is less than "15". If the tone generation channel number GCTN to be sounded is less than "15", the process proceeds to the next step C14, and is "15".
If it is not less than, it proceeds to step C15. [C14] The tone generation channel number GCTN to be sounded is incremented by "1" and the process returns to step C11.

[C15] The rapid decay incomplete flag TDNF is set to "0", and the tone generation target tone generation channel number GCTN is set to "0". [C16] The processing wait flag 3 of the tone generation channel number corresponding to the tone generation channel number GCTN to be sounded in the tone generation channel management map is set to "1: waiting for processing".
Or not. When the processing wait flag 3 is "1", the process proceeds to the next step C17,
Not the "1" but the third process (steps C17, C18, C
If step 21) is unnecessary, the process proceeds to step C19.

[C17] The rapid decay flag of the tone generation channel number corresponding to the tone generation channel number GCTN to be sounded in the tone generation channel management map is "1:".
It is determined whether or not "during rapid decay". If the rapid decay flag is not "1", the process proceeds to the next step C18, and if "1", it is assigned before in the tone generation channel to be assigned. Since the pronunciation of the musical tone that has been played has not been finished yet, the process proceeds to step C21.

[C18] The target value of the first phase, the rate, and the truncation prohibition phase number are calculated and calculated based on the envelope generation parameter group of the envelope channel number corresponding to the tone generation channel number GCTN to be sounded in the envelope management map. The target value of the envelope management map, the rate and the truncation prohibition phase number are set to the value of, and the phase number is set to "1" and the envelope level is set to "0".

Incidentally, "8000H" is added to the upper 15 bits of the attack level included in the envelope generation parameter group, for the pronunciation amount of the tone generation channel number corresponding to the tone generation channel number GCTN to be processed in the tone generation channel management map. The truncation prohibition flag is set to "1: truncation prohibition" to the specified value. In addition, the tone generation parameter group of the tone generation channel number corresponding to the tone generation target tone generation channel number GCTN in the tone generation channel management map and the target value of the envelope channel number corresponding to the tone generation target tone generation channel number GCTN in the envelope management map And the rate are transferred to the tone generation channel corresponding to the tone generation target tone generation channel number GCTN in the tone generation circuit 30. Also,
The processing wait flag 3 is set to "0" and the corresponding tone generation channel is instructed to start tone generation.

[C19] It is determined whether or not the tone generation target tone generation channel number GCTN is less than "15". When the tone generation channel number GCTN to be sounded is less than "15", the process proceeds to the next step C20, and is "15".
When it is not less than, it proceeds to step C22. [C20] The tone generation channel number GCTN to be sounded is incremented by "1" and the process returns to step C16.

[C21] The rapid damping incomplete flag TDNF is set to "1: incomplete", and the process proceeds to step C19. [C22] It is determined whether or not the rapid decay incomplete flag TDNF is "1: incomplete". When the rapid decay incomplete flag TDNF is "1", the process proceeds to the next step C23,
If it is not "1" and all tone generation processing has been completed, the process returns to step C2.

[C23] The request source event value NSET is set to "3" and an event wait monitor call is made. When either the sound generation request event or the timer event for the sound generation task occurs, the process proceeds to the next step C24. [C24] The second event occurrence flag of the task number "3: Sounding task" in the task management map is "1".
Or not. When the second event occurrence flag is not "1", the process proceeds to the next step C25,
If it is "1", it means that a sound generation request event has occurred, and therefore the process returns to step C3.

[C25] Since the timer event in which the first event occurrence flag of the task number “3: Sounding task” in the task management map is “1”, the task number “3: Sounding task” in the task management map is generated. ”
The wait event value of 1 is set to "0", and the first event occurrence flag is set to "0". [C26] It is determined whether or not the rapid attenuation end FIFO provided in the musical sound generating circuit 30 is “empty”. If this rapid decay end FIFO is "empty", step C
23, and if it is not "empty", the next step C27
Proceed to. .

[C27] The tone generation channel numbers of the tone generation channels whose envelope levels have become "0" by the rapid decay processing from the rapid decay end FIFO are sequentially lowered, and the tone generation channels corresponding to the lowered tone generation channel numbers are sequentially dropped. The rapid decay flag of the tone generation channel number in the management map is set to "0". Then, the process returns to step C15.

Pre-assigner task (FIG. 14) This task starts execution when a timer event corresponding to the pre-assigner task occurs, and updates the assignment order based on the tone generation amount. The processing in each of the steps D1 to D13 is as follows. [D1] The envelope management map is cleared and the variables occupied by this pre-assigner task are set to initial values. Also, the fourth task timer counter value TCNE
[4] is set to "5" and the fourth task time interval TCND [4] is set to "4". Further, the timer processing request flag of the task number “4: pre-assigner task” in the task management map is set to “1: request”.

[D2] Request source event value NSET is set to "1"
Set to and make an event wait monitor call. When a timer event for the pre-assigner task occurs, the process proceeds to the next step D3. [D3] Task number “4: in task management map”
The wait event value of the "pre-signer task" is set to "0" and the first event occurrence flag is set to "0".

[D4] The N-th pre-assigned order musical tone generation channel number PASS [N] is assigned to each corresponding "N (= 0,1, ...
15) ”is set here, where the Nth preassigned tone generation channel number PASS [N] indicates the tone generation channel number of the Nth preassigned tone generation channel. [D5] Main assigner processing flag MAEF is set. Set to "0".

[D6] Steps C6 and C of the sounding task
The tone generation amount of each tone generation channel number in the tone generation channel management map set in step 18 and updated in step E13 of the envelope task described later,
Tone generation channel number GN pre-assigner sound volume PLEV (G
N] and a tone generation channel whose tone generation amount is less than “8000H” (in other words, so-called ADSR
The number of musical tone generation channels that have completed the attack in the expression and are not being rapidly attenuated) is determined as the number of musical tone generation channels PACN that can be assigned to the pre-assigner.

[D7] The N-th pre-assigned order tone generation channel number PASS [N] is rearranged in ascending order of the pre-assigner tone generation amount PLEV [GN] of the corresponding tone generation channel number GN. For example, the pre-assigner pronunciation volume PLEV [GN] is PLEV.
If [3] <PLEV [5] <PLEV [2] ...
Nth pre-assigned priority sound generation channel number PASS [N]
Is PASS

[0] = 3, PASS [1] = 5, PASS [2] = 2.
・ ・

[D8] The continuous hit processing routine is executed.
The contents of this continuous hitting processing routine will be described later in detail with reference to the flow chart shown in FIG. [D9] Lock the task. In other words, the interrupt from the key operation detection circuit and the timer circuit 27 is prohibited.
Execution of other tasks is prohibited until the task lock is released, and the continuation of execution of the task is guaranteed.

[D10] Main assigner processing flag
It is determined whether or not MAEF is “0: Not processing”. When the main assigner processing flag MAEF is "0", the process proceeds to step D12. [D11] If the main assigner processing flag MAEF is not "0" in the determination of step D10, in other words, the main assigner task is executed by a series of processing based on a new key operation on the keyboard during the processing of steps D6 to D8. Then, since the tone generation mode of the tone generation channel is different from that at the start of step D6, the process returns to step D4 to release the task lock and reset.

[D12] First, the N-th pre-assigned musical tone generation channel number PASS [N] is set to the corresponding N-th assigned musical tone generation channel number MASS [N], and the target assignment sequence TASN is set to "0". Set. Also,
The number of musical sound generation channels that can be assigned to pre-signer PACN is the number of musical sound generation channels that can be assigned to GACN. [D13] The task lock is released and the process returns to step D2. An interrupt that occurs during task lock is executed after task lock is released.

Repeated Stroke Processing Routine (FIG. 15) Pre-Assigner Sound Volume PLEV [G of Musical Sound Generation Channel Number GN
This is a routine for checking the consecutive hitting relationship in order from the tone generation channel having the smallest N], and in the case of consecutive hits, reducing the pre-assigner tone generation amount PLEV [GN] of the tone generation channel number GN to 1/10 and resetting. Each step D801 to D814
The processing in is as follows.

[D801] The consecutive hit processing target number PCTN and the consecutive hit detection flag RSEF are set to "0". [D802] Whether or not the continuous hit processing target number PCTN exceeds the number of musical sound generation channels PACN that can be assigned to the pre-assigner,
Alternatively, it is determined whether or not it is "15". If this continuous hit processing target number PCTN exceeds the number of pre-assigner allocatable tone generation channels PACN or is "15", consecutive hit detection for all allocatable tone generation channels or all tone generation channels except the last channel has been detected. To step D813, and if not exceeded and "1
If it is not 5 ", the process proceeds to the next step D803.

[D803] Pre-assigner sound output amount PLEV [PASS of tone generation channel number of continuous hit processing number PCTN
It is determined whether [PCTN]] exceeds “0”. When this pre-assigner pronunciation amount PLEV [PASS [PCTN]] does not exceed "0", the process proceeds to the next step D804,
If it exceeds "0", the process proceeds to step D805. [D804] The continuous hit processing target number PCTN is incremented by "1", and the process returns to step D802.

[D805] The consecutive hit comparison target number SCTN is set to a value obtained by adding "1" to the consecutive hit processing target number PCTN. [D806] Music tone generation channel number PASS [PCT of the tone generation processing target number PCTN in the tone generation channel management map
N] the tone generation channel number of the tone generation channel number and the tone generation channel number of the consecutive comparison target number SCTN PASS [SCT
[N] and whether or not the tone generation channel number corresponding to the note number is the same. If these note numbers are not the same, the process proceeds to the next step D807, and if they are the same, the process proceeds to step D809.

[D807] It is determined whether the consecutive hit comparison target number SCTN is less than "15". If the continuous hit comparison target number SCTN is less than "15", the process proceeds to the next step D808. If it is not less than "15", step D8.
Go to 04. [D808] The consecutive hit comparison target number SCTN is incremented by "1" and the process returns to step D806.

[D809] Whether or not the rapid decay flag of the tone generation channel number corresponding to the tone generation channel number PASS [SCTN] of the consecutive hit comparison number SCTN in the tone generation channel management map is "1: rapid decay" To judge. If the rapid decay flag is "1" and the rapid decay is in progress, it is inappropriate to consider it as a continuous hit, so step D8.
04, and if it is not "1", the next step D81
Go to 0.

[D810] Pre-assigner sound output amount PLEV [PASS of tone generation channel number of consecutive hit comparison number SCTN
It is determined whether [SCTN]] is less than “8000H”, in other words, whether the attack is finished. This pre-assigner pronunciation level PLEV [PASS [SCTN]] is "800
If it is not less than 0H ", it means that the attack is in progress, so the routine proceeds to the next step D811.

[D811] Pre-assigner sound output amount PLEV [PASS of tone generation channel number of continuous hit processing number PCTN
[PCTN] is the tone generation channel number PASS [SCTN] of the consecutive hit comparison target number SCTN.
Whether it is less than the value obtained by subtracting “8000H” from [SCTN], in other words, the envelope level of the tone generation channel of the tone generation channel number PASS [PCTN] of the consecutive hit processing number PCTN is the consecutive hit comparison target number SCTN. It is determined whether or not the attack level is lower than the attack level of the tone generation channel of the tone generation channel number PASS [SCTN]. If the envelope level is less than the attack level, the process proceeds to the next step D812, and if it is not less than the attack level, the tone generation channel number PASS [PCTN] pre-assigner sound amount PLEV [PASS [PCTN]] of the continuous hit processing target number PCTN. Since it is inappropriate to change the, the process proceeds to step D807.

[D812] First, the repeated hit detection flag RSEF
Is set to “1: continuous hit detection”. Next, the pre-assigner pronunciation amount PL of the tone generation channel number of the continuous hit processing target number PCTN
Change EV [PASS [PCTN]] to reduce it to 1/10 of its value. In order to give priority to the assignment order of the musical tone generation channels whose pronunciation has ended, over the assigned order of the musical tone generation channels whose pre-assigner pronunciation amount has been changed by the repeated hit processing, the changed pre-assigner pronunciation amount is "1".
If it is less than that, the value is set to a predetermined value (“1” in this embodiment). Then, the process returns to step D804.

[D813] It is determined whether or not the consecutive hit detection flag RSEF is "1: consecutive hit detection". If the consecutive hit detection flag RSEF is not "1", the consecutive hit is not detected. Therefore, the routine is ended and the process returns to step D9. If the consecutive hit detection is "1", the next step D8 is performed.
Proceed to 14. [D814] The same process as step D7 is performed. When this process ends, the routine ends and step D9
Return to.

[0117] In step D812, the pre-assigner sounding level PLEV [PASS [PCTN]] is changed to 1/10 of the value if it is repeated hits. However, the coefficient is changed according to the tone color, pitch, or the pre-assigner. The pronunciation amount may be a predetermined value such as "1". Further, the predetermined value set when the pre-assigner sound output is less than "1" may be changed according to the tone color or the like.

In step D814, the order of the tone generation channels whose pre-assigner tone generation amount is less than "1" may be rearranged based on the envelope level. In short, the assigning order is set based on the pre-assigner pronunciation amount related to the envelope level, but for continuous hits, the pre-assigner pronunciation amount is changed and evaluated. Note that the tone generation channel that is rapidly decaying is excluded from the continuous hit comparison target, and the tone generation channel with the largest sound output among the tone generation channels that are in the continuous hit relationship and the comparison target tone generation channel are both under attack and their attack level. For a tone generation channel with a larger envelope level, the pre-assigner tone generation amount is not changed.

Envelope task (FIG. 16) Execution starts when a timer event for the task occurs, and the envelope level and sound amount of each envelope channel are updated in sequence, and note status, sostenuto status, damper value, and envelope generation parameter are also set. This is a task of calculating a new target value and rate based on the above, and transferring the new target value and rate to the tone generation channel of the tone generation circuit 30. Steps E1 to E1
The processing in 4 is as follows.

[E1] The variables occupied by the task are set to initial values. Also, the fifth task timer counter value TCNE [5] is set to "4", and the fifth task time interval TCND
Set [5] to "4". Further, the timer processing request flag of the task number “5: envelope task” in the task management map is set to “1: request”. [E2] Set the request source event value NSET to "1" and make an event wait monitor call. When the envelope task timer event occurs, the process proceeds to the next step E3.

[E3] The wait event value of the task number "5: envelope task" in the task management map is set to "0", the first event occurrence flag is set to "0", and the envelope processing target number ECTN is set to "0". Set to ". [E4] Lock the task. [E5] It is determined whether or not the rapid attenuation flag of the tone generation channel number corresponding to the envelope processing target number ECTN in the tone generation channel management map is "1: rapid attenuation in progress". If the flag during rapid decay is not "1", the process proceeds to the next step E6. If the flag is "1", the envelope process by the task is unnecessary, and the process proceeds to step E14.

[E6] It is determined whether the target value of the envelope channel number corresponding to the envelope processing target number ECTN in the envelope management map is "0" and the envelope level is "0". When the target value is "0" and the envelope level is "0", the sound generation has ended, so the sound generation amount of the tone generation channel number corresponding to the envelope processing target number ECTN in the tone generation channel management map. Is set to "0" and the truncation prohibition flag is set to "0", and step E1 is set.
4. If either of them is not "0", proceed to the next step E7.

[E7] The envelope level of the envelope channel number corresponding to the envelope processing target number ECTN in the envelope management map and the rate are added to form a new envelope level, the phase number is incremented by "1", and a tone is generated. Envelope processing number ECTN in channel management map
The note number of the tone generation channel number corresponding to is read out and set as the note number ENNM to be envelope-processed.

[E8] It is determined whether or not the note status of the note number corresponding to the envelope processing target note number ENNM in the note map is "1: key depression". If the note status is not "1", go to the next step E9, and if it is "1", go to step E11.
Proceed to. [E9] It is determined whether the sostenuto status of the note number corresponding to the envelope processing target note number ENNM in the note map is “1: sostenuto on”. If the sostenuto status is "1", the process proceeds to step E11.

[E10] If the sostenuto status is not "1" in the judgment at step E9, the key has already been released and the step F4 of the pedal task described later is performed.
As will be described in Section 1, the sostenuto pedal is not depressed, or even if the sostenuto pedal is depressed, the key has already been released at the time of depression, so the envelope processing corresponding to the key release is performed. In other words,
The target value and rate of the envelope channel number corresponding to the envelope processing target number ECTN in the envelope management map is calculated and updated based on the damper value DMPV and the envelope generation parameter, and the target value and rate are handled by the tone generation circuit 30. Transfer to the tone generation channel. When the process is completed, the process proceeds to step E12.

[E11] If the note status is "1: key depression" in the judgment of step E8, or if the sostenuto status is "1: sostenuto on" in the judgment of step E9, the key is still being depressed. If there is, or even if the key is released, the sostenuto pedal is depressed and the key is being depressed at the time of depression, so the envelope process corresponding to the key depression is performed. In other words, the target value and rate are calculated and updated based on the damper value and the envelope generation parameter that have the maximum value of the target value and rate of the envelope channel number corresponding to the envelope processing number ECTN in the envelope management map. It is transferred to the corresponding tone generation channel of the tone generation circuit 30.

[E12] It is determined whether or not the phase number of the envelope channel number corresponding to the envelope processing target number ECTN in the envelope management map exceeds the truncation prohibited phase number. If this phase number does not exceed the truncate prohibition phase number, the process proceeds to step E14, and the tone generation amount is not updated. If the phase number exceeds the truncate prohibition phase number, the process proceeds to step E13 to update the tone generation amount.

[E13] The tone generation amount of the tone generation channel number corresponding to the envelope processing target number ECTN in the tone generation channel management map is updated to the upper 15 bits of the envelope level, and the envelope processing target number ECTN in the tone generation channel management map. The truncation prohibition flag of the tone generation channel number corresponding to is set to "0".

[E14] The task lock is released. [E15] Envelope processing target number ECTN is "15"
It is determined whether it is less than. If the envelope processing target number ECTN is not less than "15", step E
Return to 2. [E16] The envelope processing target number ECTN is incremented by "1" and the process returns to step E4.

Pedal task This task starts execution when a timer event for the task occurs and detects the setting state of a pedal such as a damper pedal or a sostenuto pedal. Since this is a known technique, only the essential points will be described. Each step F1
The processing from F4 to F4 is as follows.

[F1] First, a new pedal map that stores the new pedal setting state for each pedal, an old pedal map that stores the previous pedal setting state for each pedal, variables that are occupied by the task, etc. Is set to the initial value. Next, set the sixth task timer counter value TCNE [6] to "11".
Then, the sixth task time interval TCND [6] is set to "9". Further, the timer processing request flag of the task number “6: Pedal task” in the task management map is set to “1”.
Set to.

[F2] Request source event value NSET is set to "1".
Set to and make an event wait monitor call. In addition,
When a pedal task timer event occurs, the process proceeds to the next step F3. [F3] Task number “6: in task management map”
The wait event value of the "pedal task" is set to "0" and the first event occurrence flag is set to "0".

[F4] Based on a known technique, each pedal is scanned in a predetermined sequence to read the setting state, it is judged whether or not there is a change in the setting state, and if there is a change, a corresponding process is performed. For example, if the setting state of the damper pedal has changed, the depression amount of the new damper is set to the damper value DMPV.
And When the sostenuto pedal is depressed, the sostenuto status of each note number in the note map is updated to be the same as the corresponding note status. Further, when the sostenuto pedal is returned, the sostenuto status of each note number in the note map is set to "0". If there is no change or if the corresponding process is completed, step F
Return to 2.

Manipulator task (FIG. 17) This task starts execution when a timer event for the task occurs and detects the setting state of the manipulator group 23 for selecting a tone color or setting parameters relating to a tone color. Since this is a known technique, only the essential points will be described. The processing in each step G1 to G4 is as follows.

[G1] First, a new operator map that stores the new operator setting state for each operator, an old operator map that stores the previous operator setting state for each operator, and an operator The various parameters set corresponding to the operation of and the variables occupied by this operator task are set to initial values. Next, the seventh task timer counter value TCNE [7] is set to "12" and the seventh task time interval TCND [7] is set to "9". Further, the timer processing request flag of the task number “7: operator task” in the task management map is set to “1”.

[G2] Request source event value NSET is set to "1".
And the initial setting completion flag is set to "1" and an event wait monitor call is made. When an operator task timer event occurs, the next step G3
Proceed to. [G3] Task number “7: in task management map”
The wait event value of the "operator task" is set to "0", and the first event occurrence flag is set to "0".

[G4] Based on a known technique, each operator is scanned in a predetermined sequence to read the setting state, it is judged whether or not the setting state has changed, and if there is a change, a corresponding process is performed. For example, when the tone color number is changed, the tone color parameter group is changed. When there is no change or when the corresponding process is completed, the process returns to step G2.

Next, the overall operation of the above-described embodiment will be described. (1) When the initialization power is turned on, after the processing by the monitor program reset routine ZA (steps ZA1 to ZA3), the key data receiving task (routine A), the main assigner task (routine B), the sounding task (routine C) , Pre-assigner task (routine D), envelope task (routine E), pedal task (routine F) and manipulator task (routine G) are initialized in sequence according to task priority (steps A1, A).
2, steps B1 and B2, steps C1 and C2, steps D1 and D2, steps E1 and E2, steps F1 and F
2, steps G1, G2). (2) Sound Generation Processing by Received Key Data When a key on the keyboard is operated and an interrupt occurs from the key operation detection circuit, the key data reception interrupt processing routine ZE of the monitor program is started.

(1 of 2) Since the key data reception interrupt processing routine ZE is in the state of waiting for the key data reception event (steps ZE1 and ZE3), the task number "1: key data reception task" in the task management map The status of is set to "0: run" (step ZE5). Next, the key data reception task is executed (steps A2 to A7), the key data is read from the key operation detection circuit, and the note map is updated based on this key data. Is performed (step A7).

(2-2) In the event generation monitor call routine ZC of the monitor program, the task number "2: Main assigner task" in the task management map
The first event occurrence flag is set to "1" (step ZC1) and the status is set to "1: ready" (steps ZC2 and ZC3). Since the task priority of the key data reception task is higher than the task priority of the main assigner task, the key data reception task is restarted (step ZC4), and an event wait monitor call is made in this key data reception task. (Step A2).

(2-3) In the event waiting monitor call routine ZB of the monitor program, it is checked whether a key data reception event has occurred (step Z).
B1). As a result of this examination, since the next key data reception event has not occurred yet, the status of the task number "1: key data reception task" in the task management map is set to "2: wait" (step ZB2). ,
Examine the task management map (step ZB3). As a result of checking this task management map, since the task number of the highest priority task whose status is "1: ready" is "2: main assigner task", this task number "2: main assigner task" The status is set to "0: run" (step ZB4), and the main assigner task is executed (step ZB5). In this main assigner task, note numbers NTNM and the like are written in the tone generation channel management map (steps B2 to B5). next,
An event occurrence monitor call is made (step B6).

(2-4) In the event generation monitor call routine ZC of the monitor program, the second event generation flag of the task number "3: sounding task" in the task management map is set to "1" and the status is set to "1". : Ready ”. Since the task priority of the main assigner task is higher than the task priority of the pronunciation task, the main assigner task is restarted and the target assign order is incremented by "1" in this main assigner task. (Step B7), and an event waiting monitor call is made (step B2).

(2-5) It is checked whether or not an assign request event has occurred in the event wait monitor call routine ZB of the monitor program. As a result of this examination, since the next assignment request event has not yet occurred, the task number in the task management map "2: Main assigner task" is set to "2: Wait" and the task management map is examined. . As a result of checking this task management map, the task number of the task number "3: sounding task" is "0: because the task number of the highest priority task whose status is" 1: ready "is" 3: sounding task ". Set to "Run" to perform the pronunciation task. In this tone generation task, various parameters relating to tone generation are calculated and set based on the note number NTNM written in the tone generation channel management map, and the start of tone generation is instructed (steps C2-C27). Next, an event wait monitor call is made (step C2).

(2-6) It is checked in the event waiting monitor call routine ZB of the monitor program whether a tone generation request event has occurred. As a result of this examination, since the next pronunciation request event has not yet occurred, the task number “3: Sound task” in the task management map is set to “2: Wait” and the task management map is examined. As a result of checking this task management map, if the statuses of all task numbers are "2: wait", the task sleeps. (3) When the corresponding timer event occurs, the pre-signer task (routine D) updates the assignment order based on the tone generation amount of the tone generation channel management map (steps D2 to D13). Next, an event wait monitor call is made (step D2). (4) When the corresponding timer event occurs, the envelope task (routine E) generates the tone generation amount and envelope management map of the tone generation channel management map based on the note status, pedal data, tone generation channel management map and envelope management map. Update the envelope level etc. (steps E2-E1)
6). Next, an event wait monitor call is made (step E2).

As described above, in the present embodiment, the tone generation channel to which a new tone is assigned is the tone generation channel which is being rapidly attenuated for assigning the tone generation, and the so-called attack during which a predetermined time has not elapsed from the start of tone generation. It is selected from the tone generation channels excluding the tone generation channels. It should be noted that the musical tone generation channels to be selected are assigned an order of assignment based on the evaluation sound output, and the evaluation sound output is changed based on the envelope level based on the continuous hitting relationship. In addition, the continuous hitting relationship is related to the tone generation channel in the sounding state
Of the tone generation channels excluding the tone generation channels whose pronunciation has ended) are excluded from the tone generation channels excluding the tone generation channels that are undergoing rapid decay for sound allocation.

The change of the evaluation pronunciation amount based on the continuous hitting relation is
The processing is performed as follows. Among the tone generation channels excluding the tone generation channels that are rapidly decaying for tone allocation from the tone generation channels in the sound generation state, the tone generation amount that is not the maximum and the so-called attack ends after a predetermined time has elapsed from the start of the tone generation Change the evaluation pronunciation amount of the generation channel. Note that the attack level is used as the tone generation amount of the tone generation channel during the attack. The tone generation channel for which the tone generation amount of "0" has ended is not changed because the tone generation channel that has already finished the tone generation has the smallest estimated tone generation amount, so the tone generation amount is not changed. Of the tone generation channels that are in the pronunciation state, the tone generation channels with the maximum pronunciation amount among the tone generation channels excluding the tone generation channels that are undergoing rapid decay for sound assignment are evaluated because it is necessary to continue the tone generation. Do not change the pronunciation amount. The tone generation channel that is rapidly decaying for sound allocation and the tone generation channel that is under attack for a certain time after the start of sound generation are excluded from the selection targets to which new musical sounds are assigned, so the evaluation sound amount is changed. do not do.

It should be noted that, of the tone generation channels in the tone generation state, the tone generation channels excluding the tone generation channel which is being rapidly attenuated and the tone generation channel being attacked for assigning the tone generation and whose tone generation amount is not the maximum are generated. The evaluation pronunciation amount of may be changed. Further, in the case of giving priority to a newer pronunciation, it is possible to change the evaluation pronunciation amount of the tone generation channel whose tone generation amount is not the maximum among the tone generation channels in the above-mentioned tone generation state, and it is possible to change the evaluation tone amount quickly for the assignment of the tone generation. An attack level of a musical tone to be assigned may be used as the tone generation amount of the musical tone generating channel being attenuated.

Further, the tone generation channel that is rapidly decaying for the assignment of the tone generation and / or the tone generation channel that is a so-called attack in which a predetermined time has not elapsed from the start of tone generation are included in the processing targets, Alternatively, the evaluation sound generation amount may be changed for the tone generation channel whose sound generation amount is not the maximum. Alternatively, the evaluation sound generation amount of a tone generation channel other than the latest assigned tone generation channel may be changed. Further, if necessary, the tone generation amounts of a plurality of tone generation channels may not be changed.

Furthermore, the assignment order may be directly changed based on the continuous hitting relationship. For example, in step D8, the tone generation channel number PA of the continuous hit processing number PCTN
SS [PCTN], the pre-assigner pronunciation amount PLEV [GN] is "0"
Then, the rearrangement is performed so that it is the Nth preassigned tone generation channel number PASS [N] of the next preassigned order. Alternatively, the rearrangement is performed so that the N-th pre-assigned musical tone generation channel number PASS [N] of the pre-assigned rearranged order is the N-th pre-assigned musical tone generation channel number PASS [N] of the next pre-assigned ranking. Is also good.

In other words, PLEV [3] = “0”, PL
EV [3] <PLEV [5] <PLEV [2] <PLEV [7] <PLEV

[9] ... and PLEV

[9] <“8000H”, first pass in step D7

[0] = 3, PASS [1] = 5, PASS [2] = 2, PASS
[3] = 7, PASS [4] = 9 ... Here, if the tone generation channels with tone generation channel numbers “2” and “9” have tone generation channels related to each continuous hit, they are rearranged as follows. PASS

[0] = 3, PASS [1] = 9,
PASS [2] = 2, PASS [3] = 5, PASS [4] = 7 ...
., Or PASS

[0] = 3, PASS [1] = 2, PASS
[2] = 9, PASS [3] = 5, PASS [4] = 7.

Further, it may be possible to perform allocation without prohibiting the allocation to the tone generation channels during the attack and the rapid decay. In other words, when the target assignment order TASN in step B4 becomes larger than the allocatable tone generation channel number GACN, the process of prohibiting the allotment is deleted. In addition,
When the target assign order TASN exceeds "15", the allocation may be prohibited, or the target assign order TASN may be returned to "0" or the assign order may be reset.
In this case, the assigning order of the tone generation channel under attack is lower than that of the tone generation channel that has finished the attack, and the attack order of the tone generation channel during rapid decay is lower than that of the attacking tone generation channel.

Furthermore, the assigning order of the tone generation channels whose sound production level is below a predetermined level is set in the key pressing order, the tone generation channel order, the order below the predetermined level, etc. The setting process may be simplified. In this case, it is not necessary to change the evaluation sound generation amount whose sound generation amount is equal to or lower than a predetermined level. Further, for simplification of the processing, the musical tone generation channels targeted for the pre-assignment processing may be limited. For example, the key press order is managed by a known technique, and in the pre-assigner task, the tone generation channels corresponding to a predetermined number of old key presses from the latest key press are excluded from the pre-assign processing target and the truncation is performed. Ban. In the present embodiment, the tone generation amount depends on the envelope level, but the envelope level is appropriately weighted, or the envelope level detected from the amplitude level of the tone signal generated from the tone generation channel is used. It may be based on the pseudo envelope level, the remaining tone generation amount proposed in Japanese Patent Laid-Open No. 1-1649496, or the tone generation duration (time until the tone generation ends).

In the present embodiment, it has been determined that there is a continuous hitting relationship if the pitches are the same, but if one musical tone is composed of a plurality of partial sounds and the like, the partial pitches of the same pitch and of the same kind are used. If so, it may be determined that they have a continuous hitting relationship. In the present embodiment, the assignment order is changed based on the continuous hitting relationship, but it may be changed based on masking with other musical tones. <Modification 1> A modification of the continuous hitting process in the pre-assigner task will be described below.

First, the variables used in this modification will be described. PCNN consecutive note processing target note number SCNN consecutive note processing target note number Add the area of (10) key pressing order to the tone generation channel management map. In this area, the key depression order of the corresponding tone generation channel number is indicated by "0 to 15" and the oldest key depression order is indicated by "0".

The area of (3) priority tone generation channel number is added to the note map. It should be noted that this area indicates the tone generation channel number in which the tone of the corresponding note number is preferentially sounded. Step B1 of the main assigner task
In the initial setting of the tone generation channel management map in, the key pressing order of each tone generation channel is set to the corresponding tone generation channel number. For example, the key depression order of the tone generation channel having the tone generation channel number "1" is set to "1".

The following processing is added to the processing of step C12 of the sounding task. [C12] The key pressing order of the tone generation channel number corresponding to the tone generation channel number GCTN to be sounded in the tone generation channel management map is updated as follows. The tone generation channel number GCTN corresponding to the tone generation target tone generation channel number is decremented by "1" and the tone generation channel number corresponding to the tone generation target tone generation channel number GCTN is depressed. Set the key rank to "15". For example, when a new musical tone is assigned to the tone generation channel having the key depression order of "5", the key depression order of the tone generation channels having the key depression order of "6" to "15" is set to "5" to "14". And the key depression order of the tone generation channel to which a new tone is assigned is "1".
It is set to 5 ".

In the pre-assigner task, the consecutive hitting process described below is performed in place of the rearrangement process of the Nth tone generation channel numbers in step D7, and the Nth of step D7 before the change is performed in step D8.
Performs rearrangement processing of the order tone generation channel numbers. Sequential Strike Processing Routine (FIG. 18) This is a routine for checking the consecutive striking relationship in order from the smallest pre-assigner sound production amount, and in the case of consecutive striking, reducing the pre-assigner sound production amount to 1/10 and resetting. Each step D701
The processing in D719 is as follows.

[D701] The continuous hit processing target number PCTN is set to "15", and the flow advances to the next step D702. [D702] It is determined whether or not the rapid decay flag of the tone generation channel number corresponding to the continuous hit processing target number PCTN in the tone generation channel management map is "1: rapid decay in progress". If the rapid decay flag is "1", the process proceeds to step D708, and if it is not "1", the process proceeds to step D703.

[D703] First, the note number of the tone generation channel number corresponding to the tone generation processing target number PCTN in the tone generation channel management map is set as the note generation target note number PCNN, and the key pressing order is set as the continuous processing target key pressing order PCPN. To do. Next, the priority tone generation channel number of the note number corresponding to the note number PCNN to be repeatedly hit in the note map is set as the consecutive hit comparison number SCTN, and the next step D70 is performed.
Go to 4.

[D704] It is determined whether or not the consecutive hit processing target number PCTN and the consecutive hit comparison target number SCTN are the same.
These consecutive hit processing numbers PCTN and consecutive hit comparison number SC
If the TNs are the same, the process proceeds to step D708, and if they are not the same, the process proceeds to the next step D705. [D705] The note number of the consecutive hit comparison target number SCTN is set as the consecutive hit comparison target note number SCNN.

[D706] Note number PC for continuous hit processing
It is determined whether or not the NN and the consecutive hit comparison note number SCNN are the same. If the note number PCNN for consecutive hit processing and the note number SCNN for consecutive hit comparison are the same, the process proceeds to step D710. If they are not the same, the next step D is performed.
Proceed to 707. [D707] The priority tone generation channel number of the note number corresponding to the note number PCNN for the continuous hit processing in the note map is updated to the continuous hit processing target number PCTN.

[D708] The continuous hit processing target number PCTN is decremented by "1". [D709] It is determined whether or not the continuous hit processing target number PCTN is "0" or more. If the continuous hit processing target number PCTN is "0" or more, the process returns to step D702,
If it is not "0" or more, the continuous hit processing routine is ended and the process proceeds to step D8. [D710] It is determined whether or not the rapid-decaying flag of the consecutive hit comparison target number SCTN is "1: rapid-decaying". If the rapid decay flag is "1", step D7
Returning to 07, if not "1", the next step D71
Go to 1.

[D711] The pre-assigner pronunciation amount PLEV [PCTN] of the continuous hit processing target number PCTN is less than "8000H",
In other words, the tone generation channel number is the target number for continuous hit processing.
Determine whether the musical tone generation channel of PCTN has finished the attack. If the pre-assigner tone generation amount PLEV [PCTN] is less than "8000H" to end the attack, the process proceeds to step D716, and if it is not less than "8000H", the process proceeds to step D712.

[D712] The pre-assigner pronunciation amount PLEV [SCTN] of the consecutive hit comparison target number SCTN is less than "8000H",
In other words, the tone generation channel number is the consecutive hit comparison number.
Determine whether the tone generation channel of SCTN has finished the attack. If the pre-assigner tone generation amount PLEV [SCTN] is less than "8000H" and the attack is completed, the process proceeds to step D714, and if it is not less than "8000H", the process proceeds to step D713.

[D713] The key-depression order of the tone-generation channel number corresponding to the consecutive-stroke processing target number PCTN in the tone-generation channel management map is higher than the key-depression order of the tone generation channel number corresponding to the consecutive-stroke comparison target number SCTN. Determine whether or not. If the key depression order corresponding to the continuous hit processing target number PCTN is high, the process returns to step D707, and if the key depression order corresponding to the continuous hit processing target number PCTN is not high, the process returns to step D708.

[D714, D715] It is determined whether or not the pre-assigner tone generation amount PLEV [SCTN] of the continuous hit comparison target number SCTN is "0". This pre-assigner pronunciation amount PLEV [SC
If TN] is "0", no special processing is performed and the process proceeds to step D707. If it is not "0", the pre-assigner pronunciation amount PLEV [SCTN] of the continuous hit comparison target number SCTN is set to "1".
It is updated to a value obtained by adding "1" to the value divided by "0", and the process proceeds to step D707.

[D716] The pre-assigner pronunciation amount PLEV [SCTN] of the consecutive hit comparison target number SCTN is less than "8000H",
In other words, the tone generation channel number is the consecutive hit comparison number.
Determine whether the tone generation channel of SCTN has finished the attack. If the pre-assigner tone generation amount PLEV [SCTN] is less than "8000H" and the attack is completed, the process proceeds to the next step D717, and if it is not less than "8000H", the process proceeds to step D718.

[D717] The pre-assigner pronunciation amount PLEV [PCTN] of the continuous hit processing target number PCTN is the continuous hit comparison target number SCTN.
It is determined whether or not it is larger than the pre-assigner pronunciation amount PLEV [SCTN]. If the pre-assigner pronunciation amount PLEV [PCTN] of the continuous hit processing target number PCTN is large, step D71.
4 and if not, proceed to the next Step D718.

[D718, D719] It is determined whether or not the pre-assigner tone generation amount PLEV [PCTN] of the continuous hit processing target number PCTN is "0". This pre-assigner pronunciation amount PLEV [PC
If TN] is "0", no special process is performed and the process proceeds to step D708. If it is not "0", the pre-assigner pronunciation amount PLEV [PCTN] of the continuous hit processing target number PCTN is set to "1".
It is updated to a value obtained by adding "1" to the value divided by "0", and the process proceeds to step D708.

If both the tone generation channels subject to the consecutive hit processing and the consecutive hit comparison target are in attack,
Although the key depression order is compared in step D713, the attack level may be compared instead of the key depression order. In other words, the same judgment processing as in step D717 is performed, and the pre-assigner pronunciation amount PL of the continuous hit processing target number PCTN is set.
If EV [PCTN] is large, the process proceeds to step D707, and if it is not large, the process proceeds to step D708. Second Embodiment Next, a specific embodiment in which the electronic musical instrument allocating apparatus according to the present invention is applied to an electronic musical instrument that generates a continuous tone type musical sound will be described with reference to the drawings.

Differences from the first embodiment: The tone generation channel management map is changed as follows. -Delete the following areas. (1) Pronunciation volume ・ The following areas are added.

(10) Note status (11) Key pressing order: The key pressing order is indicated by "0 to 15",
The oldest key depression order is indicated by "0". (12) Stage number: The processing stage in the pre-assign process is indicated by "0 to 5", the sound generation end is "0", the key is released and the holdoff is "1", the key is released and the damper on is "". 2 ", the key is released and sostenuto is on" 3 ", the key is being depressed and the truncation prohibition release is" 4 ",
"5" indicates that the key is being pressed and truncation is prohibited. Here, hold-off indicates damper off and sostenuto off.

(13) Preassigned rank: The preassigned rank is indicated by "0 to 15", and the earliest rank is indicated by "0". (14) Pre-assignment rank in the stage: The pre-assignment rank in each processing stage is indicated by "1 to 16", and the earliest rank is indicated by "1". (15) Repeated hit flag: Indicates the continuous hit with "1". -Provide a pre-assignment processing FIFO. The various variables additionally used in this embodiment are as follows.

CRQF pre-assignment processing request flag: Indicates a pre-assignment processing request in the sounding task with "1". PEXM processing mode: The processing mode is indicated by "1 to 4", key depression is indicated by "1", attack processing is indicated by "2", key release is indicated by "3", and sounding end is indicated by "4". POAS Old pre-assigned rank PNAS New pre-assigned rank POSN Old stage number PNSN New stage number PDSN Lower status number POSA Old pre-assigned rank in stage PNSA New pre-assigned rank in stage PSAM (POSN) Stage number Maximum in POSN stage Pre-assigned rank PSRM [POSN] Maximum number of consecutive hits in the stage of POSN [PNSN] Maximum pre-assigned ranking PSRM [PNSN] in the stage of stage number PNSN Maximum pre-assignment order within the stage of stage number PDSN PNTN Pre-signer note number ERQF Pre-assignment processing request flag: Indicates "1" for pre-assignment processing request in the envelope task. ○ Step A6 of the key data reception task is changed and step A8 is added as follows.

[A6] First, the note status of the note number corresponding to the note number NTNM in the note map is set to "0". Next, the tone generation channel management map is searched for a tone generation channel number whose note number is the note number NTNM and whose note status is "1", in order of decreasing key depression order, and the tone generation channel number with the lowest key depression order is searched. Set the note status of "0" and
"3" indicating the key release processing and the tone generation channel number are sequentially loaded into the pre-assign processing FIFO and step A is executed.
Go to 8.

[A8] Generate a pre-assignment request event. In other words, the request destination task number NDTK is “4: pre-assigner task” and the request destination event value NDET is “1”.
Set to and make an event occurrence monitor call. And
Return to step A2. * Partially change the processing of the main assigner task. The following process is added to step B1.

[B1] The pre-assign order and key-press order of each tone generation channel number in the tone generation channel management map are set to each corresponding tone generation channel number. The following processing is added to step B5. [B5] "1" indicating the key depression process and the tone generation channel number are sequentially loaded into the pre-assign process FIFO. * Part of the processing of the pronunciation task is changed as follows.

The following processing is added to step C3. The pre-assign processing request flag CRQF is set to "1". Step C5 is changed as follows. [C5] It is determined whether or not the stage number of the tone generation channel number corresponding to the tone generation channel number GCTN to be sounded in the tone generation channel management map is "0". If the stage number is not "0", the process proceeds to the next step C6, and if "0" does not require the rapid damping process, the process proceeds to step C7.

The tone amount setting process in steps C6 and C12 is deleted. The following process is added to step C12. The key-depression order of the tone-generation channel number corresponding to the tone-generation channel number GCTN to be sounded in the tone-generation channel management map is updated as follows.

The tone generation channel corresponding to the tone generation target tone generation channel number GCTN is decremented by "1", and the tone generation channel corresponding to the tone generation target tone generation channel number GCTN is decremented by "1". Set the key depression order of numbers to "15". For example,
When a new musical tone is assigned to the tone generation channel having the key depression order of "5", the key depression order of the tone generation channels having the key depression order of "6" to "15" is updated to "5" to "14", The key depression order of the tone generation channel to which a new tone is assigned is "1".
Updated to 5 ".

The following processing is performed prior to the processing of step C22. [C22p] It is determined whether the pre-assignment processing request flag CRQF is "1". When this pre-assignment processing request flag CRQF is "1", the next step C
22q, and if it is not "1", proceed to step C22. [C22q] Generate a pre-sign request event.
In other words, the request generation task number NDTK is set to "4: pre-assigner task" and the request destination event value NDET is set to "1" to make an event occurrence monitor call. In addition, the pre-assignment processing request flag CRQF is set to "0" and step C
Proceed to 22. * Change the pre-signer task as follows. (FIG. 19) [D1] The envelope management map and pre-assign processing FIFO are cleared, and at the same time, variables and the like occupied by this pre-assigner task are set to initial values. In addition,
At the time of initial setting of variables, etc., the number of musical sound generation channels that can be assigned to pre-assigners PACN and the maximum pre-assignment order PSAM [0] in the stage of stage number "0" are set to "16"
Set other variables to "0".

[D2] The request source event value NSET is set to "3".
When the pre-assignment request event occurs, the process proceeds to the next step D3. [D3] Task number "4: in task management map"
Set the wait event value of "pre-signer task" to "0".

[D4], [D5] It is judged whether or not the first event occurrence flag is "1", and if the first event occurrence flag is "1", the updating process 1 is performed.
The contents of this update process 1 will be described later in detail. [D6], [D7] Second event occurrence flag is "1"
If the second event occurrence flag is "1", the update process 2 is performed. The contents of this update processing 2 will be described later.

[D8], [D9] It is determined whether or not the third event occurrence flag is "1", and if the third event occurrence flag is "1", the updating process 3 is performed.
The contents of this update processing 3 will be described later in detail. [D10], [D11] It is determined whether or not the fourth event occurrence flag is "1", and if the fourth event occurrence flag is "1", the update process 4 is performed. The contents of this update processing 4 will be described later in detail.

[D12], [D13] It is judged whether or not the fifth event occurrence flag is "1", and if the fifth event occurrence flag is "1", the updating process 5 is executed. The contents of the update process 5 will be described later in detail. [D14] Lock the task. [D15] Main assigner processing flag MAEF is "0".
Or not. When the main assigner processing flag MAEF is "0", the process proceeds to the next step D16, and when it is not "0", the process proceeds to step D17.

[D16] First, the N-th assigned musical tone generation channel number MASS [N] is sequentially set on the basis of the musical tone generation channel number and the pre-assignment ranking in the musical tone generation channel management map. For example, if the pre-assigned rank of the tone generation channel number "0" is "5", the fifth assigned tone generation channel number MASS [5] is set to "0". Next, the target assign order TASN is set to "0", and the preassigner allocatable tone generation channel number PACN is set as the allocatable tone generation channel number GACN. Further, the task lock is released and the process returns to step D2.

[D17] The task lock is released and the process returns to step D5. Update Processing 1 Routine This routine updates the pre-assignment order based on key depression, attack end, key release, or sound end. [D51] First, the first event occurrence flag of the task number "4: pre-assigner task" in the task management map is set to "0". Next, the main assigner processing flag MAEF is set to "0".

[D52] The data is unloaded from the pre-assign processing FIFO and set to the processing mode PEXM. [D53] The processing mode PEXM is determined. When this processing mode PEXM is "1", the next step D54 is executed.
If it is "2", the process proceeds to step D55, if it is "3", the process proceeds to step D56, and if it is "4", the process proceeds to step D57.

[D54] The update process 11 is performed. Details of this processing will be described later with reference to FIG. Then, the process proceeds to step D58. [D55] The update process 12 is performed. The details of this process will be described later. Then, the process proceeds to step D58. [D56] The update process 13 is performed. The details of this process will be described later. Then, the process proceeds to step D58.

[D57] The update process 14 is performed. The details of this process will be described later. And step D5
Go to 8. [D58] It is determined whether or not the pre-assign processing FIFO is "empty". If the pre-assign processing FIFO is "empty", the routine is terminated and the process proceeds to step D6 of the pre-assigner task. If it is not "empty", the process returns to step D52.

Update Processing 11 Routine (FIG. 21) This routine updates the pre-assignment order of the tone generation channel whose sound has been newly started by pressing a key. [D5401] First, the new stage number PNSN is set to "5". Next, the data is downloaded from the pre-assign processing FIFO to obtain the tone generation channel number GN.

[D5402] Continuous hit processing is performed. The contents of this processing will be described later in detail with reference to FIG. [D5403] The stage number of the tone generation channel number corresponding to the tone generation channel number GN in the tone generation channel management map is the old stage number POSN, and the pre-assignment order within the stage is the old pre-assignment order POSA within the stage. Previous pre-assigned rank PO
AS.

[D5404] It is determined whether or not the old stage number POSN is "5" and the old preassigned order POAS is "15". If the old stage number POSN is not "5" or the old pre-assigned order POAS is not "15", the process proceeds to the next Step D5405, and if it is "5" and "15", the routine is ended. Proceed to Step D58.

[D5405], [D5406] It is determined whether or not the old stage number POSN is "5". If the stage number is not "5", the number of pre-assigner allocatable musical tone generation channels PACN is decremented by "1". [D5407] First, the stage number in the tone generation channel management map is the old stage number POSN, and the preassignment order within the stage is the value obtained by adding "1" to the old preassignment order POAS within the stage. Decrement each pre-assigned rank within the steps up to the maximum pre-assigned rank PSAM [POSN] of "1". Then, the maximum pre-assignment order PSAM [POSN] in the stage with the stage number POSN is decremented by "1".

[D5408], [D5409] Musical tone generation channel number GN in the musical tone generation channel management map
The continuous hit flag of the tone generation channel number corresponding to is "1"
If the continuous hit flag is "1", the maximum consecutive hit order within the stage with the stage number POSN is determined.
Decrement PSRM [POSN] by "1". [D5410] The new pre-assignment rank PNAS is set to "15", and the value obtained by adding "1" to the maximum pre-assignment rank PSAM [PNSN] in the stage of the stage number PNSN is set as the new pre-assignment rank PNSA in the stage. To do.

[D5411] The maximum pre-assign order PSAM [PNSN] in the stage of the stage number PNSN is incremented by "1", and the pre-assign order in the tone generation channel management map is the old pre-assign order.
New pre-assigned rank PNAS from the value obtained by adding "1" to POAS
Decrement each pre-assigned ranking up to "1".

[D5412] The stage number of the tone generation channel number corresponding to the tone generation channel number GN in the tone generation channel management map is changed to the new stage number PNSN.
Then, the pre-assignment rank in the stage is set to the new pre-assignment rank PNSA in the stage, the pre-assignment rank is set to the new pre-assignment rank PNAS, and the continuous hit flag is set to "0". Then, the routine is finished and the process proceeds to step D58.

Continuous Strike Processing Routine (FIG. 21) [D540201] First, the note number of the tone generation channel number corresponding to the tone generation channel number GN in the tone generation channel management map is changed to the pre-assigner note number PN.
TN. Next, the continuous hit processing target number PCTN is set to "0". [D540202] It is determined whether the continuous hit processing target number PCTN is the same as the tone generation channel number GN. If the continuous hit processing target number PCTN is not the same as the tone generation channel number GN, the process proceeds to the next step D540203, and if it is the same, the process proceeds to step D540206.

[D540203] It is determined whether or not the continuous hit flag of the tone generation channel number corresponding to the continuous hit processing target number PCTN in the tone generation channel management map is "1". If this continuous hit flag is not "1", the flow advances to step D540204, and if it is "1", the flow advances to step D540206. [D540204] It is determined whether or not the note number of the tone generation channel number corresponding to the continuous hit processing target number PCTN in the tone generation channel management map is the same as the pre-assigner note number PNTN. If the note number of this tone generation channel number is the same as the pre-assigner note number PNTN, the flow advances to step D540205, and if not, the flow advances to step D540206.

[D540205] It is determined whether or not the stage number of the tone generation channel number corresponding to the continuous hit processing target number PCTN in the tone generation channel management map is “0”. If the stage number is "0", the flow proceeds to the next step D540206, and if it is not "0", the flow proceeds to step D540208. [D540206], [D540207] It is determined whether or not the continuous hit processing target number PCTN is less than “15”. If the consecutive hit processing target number PCTN is less than "15", the consecutive hit processing target number PCTN is incremented by "1" and the process returns to step D540202. If it is not less than "15", the routine is finished and step D5403. Proceed to.

[D540208] The continuous hit flag of the musical sound generation channel number corresponding to the continuous hit processing target number PCTN in the musical sound generation channel management map is set to "1". [D540209] It is determined whether or not the stage number of the tone generation channel number corresponding to the continuous hit processing target number PCTN in the tone generation channel management map is “5”.
If the stage number to be judged is not "5", the procedure goes to the next step D540210, and if it is "5", the procedure goes to step D540206.

[D540210] The pre-assignment rank of the tone generation channel management map is updated as follows. The stage number of the tone generation channel number corresponding to the consecutive hit processing number PCTN in the tone generation channel management map is the old stage number POSN and the new stage number.
Let PNSN be the pre-assignment rank in the stage be the old pre-assignment rank POSA in the stage, and the pre-assignment rank be the old pre-assignment rank POAS.

It is determined whether or not the maximum consecutive hitting order PSRM [PNSN] in the stage with the stage number PNSN exceeds “0”. If the maximum consecutive batting order PSRM [PNSN] in this stage exceeds "0", proceed to, and if it does not exceed "0", proceed to. First, the stage number PNSN
The maximum consecutive batting order PSRM [PNSN] in the stage will be the new pre-assigned order PNSA in the stage. Next, the stage number in the tone generation channel management map is the new stage number.
The value obtained by adding "1" to the pre-assigned rank of the tone generation channel number that is the PNSN and the pre-assigned rank within the stage is the new pre-assigned rank PNSA within the stage is defined as the new pre-assigned rank PNAS. Further, the value obtained by adding “1” to the new pre-assignment rank PNSA in the stage is set as the new pre-assignment rank PNSA in the stage. Then proceed to.

First, the new pre-assignment ranking within the stage
Set PNSA to "1". Next, the stage number in the tone generation channel management map is the new stage number PNSN, and the pre-assignment order within the stage is the new pre-assign order PASA within the stage as the new pre-assign order PNAS. Then proceed to. The stage number in the tone generation channel management map is the new stage number PN
SN and the pre-assignment rank in the stage is incremented by "1" for each pre-assignment rank in the stage up to the value obtained by subtracting "1" from the old pre-assignment rank POSA in the stage from the new pre-assignment rank in the stage PNSA To do.

Each pre-assignment rank in the musical sound generation channel management map is incremented by "1" from the new pre-assignment rank PNAS to a value obtained by subtracting "1" from the old pre-assignment rank POAS. The pre-assignment order within the stage of the continuous hit processing number PCTN in the tone generation channel management map is set to the new pre-assignment order PNSA in the stage, and the pre-assignment order is set to the new pre-assignment order PNAS.

The maximum consecutive hitting order PSRM [PNSN] in the stage of the stage number PNSN is incremented by "1" and the process proceeds to step D540206. Update processing 12 routine (FIG. 22) This routine updates the pre-assignment rank of the tone generation channel for which the attack has been completed.

[D5501] First, the new stage number PN
Set SN and lower stage number PDSN to "4". Next, the data is downloaded from the pre-assign processing FIFO to obtain the tone generation channel number GN. [D5502] Step D5 of update processing 11 routine
The same processing as 403 is performed.

[D5503] It is determined whether the old stage number POSN exceeds the new stage number PNSN. If this old stage number POSN exceeds the new stage number PNSN, the routine proceeds to the next Step D5504, and if it does not exceed this routine, the routine is ended and the routine proceeds to Step D58. [D5504] The number of tone generation channels PACN that can be assigned to the pre-signer is incremented by "1".

[D5505] The same process as step D5407 of the update process 11 routine is performed. [D5506] Step D5 of update processing 11 routine
The same determination processing as 408 is performed. If the continuous hit flag to be judged is not "1", the procedure goes to the next step D5507, and if it is "1", the procedure goes to step D5514.

[D5507] It is determined whether or not the maximum preassigned order PSAM [PDSN] in the stage with the stage number PDSN exceeds "0". If the maximum pre-assignment order PSAM [PDSN] in this stage exceeds "0", the flow advances to step D5508, and if it does not exceed "0", the flow advances to step D5511. [D5508] First, the maximum pre-assignment order PSAM [PDSN] in the stage with the stage number PDSN is set as the new pre-assignment order PNSA in the stage. Next, the stage number in the tone generation channel management map is the lower stage number PD.
A value obtained by adding "1" to the pre-assigned rank of the tone generation channel number that is SN and the pre-assigned rank within the stage is the new pre-assigned rank PNSA within the stage is defined as the new pre-assigned rank PNAS. Further, a value obtained by adding “1” to the maximum pre-assignment order PSAM [PNSN] in the stage of the stage number PNSN is set as the pre-assignment order PNSA in the stage.

[D5509] The maximum pre-assignment rank PSAM [PNSN] in the stage of the stage number PNSN is incremented by "1" and the pre-assignment rank in the tone generation channel management map is the new pre-assignment rank.
Increment each pre-assigned rank from PNAS up to the value obtained by subtracting "1" from the old pre-assigned rank POAS by "1".

[D5510] The same processing as step D5412 of the update processing 11 routine is performed. However, the continuous hit flag is not changed. [D5511] It is determined whether or not the lower stage number PDSN exceeds “0”. If the lower stage number PDSN exceeds "0", the process proceeds to step D5513, and if it does not exceed "0", the next step D55.
Proceed to 12.

[D5512] New pre-assigned rank PNAS
Is set to “0”, and the new pre-assigned rank PNSA in the stage is set to “1”. [D5513] The value obtained by subtracting “1” from the lower stage number PDSN is set as the lower stage number PDSN, and the step D550 is performed.
Return to 7. [D5514] It is determined whether or not the maximum consecutive batting order PSRM [PNSN] in the stage with the stage number PNSN exceeds "0". If the maximum consecutive batting order PSRM [PNSN] in this stage exceeds "0", the flow proceeds to the next Step D5515, and if it does not exceed "0", Step D550.
Proceed to 7.

[D5515] First, the stage number PNSN.
The maximum consecutive batting order PSRM [PNSN] in the stage will be the new pre-assigned order PNSA in the stage. Next, the stage number in the tone generation channel management map is the new stage number.
A value obtained by adding "1" to the pre-assigned rank of the tone generation channel number that is PNSA and the pre-assigned rank within the stage is the new pre-assigned rank within the stage PNSA is defined as the new pre-assigned rank PNAS. Further, the stage maximum consecutive hitting order PSRM [PNSN] of the stage number PNSN and the new pre-assigned order PNSA in the stage are incremented by "1".
Proceeds to Step D5509.

Update Processing 13 Routine This routine updates the pre-assignment rank of the tone generation channel released by the processing according to the update processing 12 routine. Next, differences from the update processing 12 routine will be described. [D5601] First, set the new status number PNSN to "3".
Set to. Next, the data is downloaded from the pre-assign processing FIFO to obtain the tone generation channel number GN.

[D5604] It is determined whether or not the old stage number POSN is "5", and this old stage number POSN
Only when the value is "5", the number PACN of musical tone generation channels that can be preassigned is incremented by "1".
Prior to the processing of step D5606, step D5606
The processing of P to D5606U is performed.

[D5606P] The note number of the tone generation channel number corresponding to the tone generation channel number GN in the tone generation channel management map is set as the pre-assigner note number PNTN. [D5606Q] It is determined whether the sostenuto status of the note number corresponding to the pre-assigner note number PNTN in the note map is "0". If this status is "0", the next step D
Proceed to 5606R, and if not "0", step D5
Proceed to 606U.

[D5606R] It is determined whether the damper flag DMPF is "0". This damper flag DM
When PF is "0", the flow proceeds to the next step D5606S, and when it is not "0", the flow proceeds to step D5606T. [D5606S] The new stage number PNSN and the lower stage number PDSN are set to "1", and the flow advances to step D5606.

[D5606T] The new stage number PNSN and the lower stage number PDSN are set to "2", and the flow advances to step D5606. [D5606U] The new stage number PNSN and the lower stage number PDSN are set to "3", and the flow advances to step D5606. The following process is performed prior to the process of step D5614.

[D5614P] It is determined whether or not the old stage number POSN is "5", and this old stage number POSN
If is not "5", the maximum consecutive batting order PSRM [POSN] in the stage with the stage number POSN is decremented by "1". Update Process 14 Routine By the process according to the update process 12 routine, the pre-assignment rank of the tone generation channel whose sound generation is completed is updated. Next, differences from the update processing 12 routine will be described.

[D5701] First, the new stage number PN
Set SN and lower stage number PDSN to "0". Next, the data is downloaded from the pre-assign processing FIFO to obtain the tone generation channel number GN. [D5704] It is determined whether or not the old stage number POSN is "5", and only when this old stage number POSN is "5", the number of musical tone generation channels that can be preassigned can be assigned.
Increment PACN by "1".

The processing of steps D5714 and D5715 is deleted, and the following processing is performed instead. [D5714] It is determined whether or not the old stage number POSN is "5". If the old stage number POSN is not "5", the maximum consecutive hit order in the stage of the stage number POSN
Decrement PSRM [POSN] by "1". In step D5710, the same processing as step D5412 of the update processing 11 routine is performed.

Update Process 2 Routine This routine updates the pre-assignment order of the tone generation channels that have been released by the operation of the sostenuto pedal and turned on sostenuto. [D71] First, the second event occurrence flag of the task number "4: pre-assigner task" in the task management map is set to "0". Next, the old stage number POSN and the old pre-assignment order POSA within the stage are set to "1", the new stage number PNSN and the lower stage number PDSN are set to "3".
Set to.

[D72] It is determined whether or not the old pre-assign order POSA in the stage exceeds the maximum pre-assign order PSAM [POSN] in the stage of the stage number POSN.
If not exceeded, the process proceeds to the next step D73, and if exceeded, the routine is terminated and the process proceeds to step D8. [D73] The tone generation channel number GN is the tone generation channel number GN whose stage number in the tone generation channel management map is the old stage number POSN and whose preassignment order within the stage is the old preassignment order POSA within the stage. Pre-signer note number PNTN.

[D74] It is determined whether or not the sostenuto status of the note number corresponding to the pre-assigner note number PNTN in the note map is "1". If the sostenuto status is "1", the process proceeds to the next step D75. If it is not "1", the old pre-assignment order POSA in the stage is incremented by "1" and the process returns to step D72.

[D75] The pre-assignment order PO of the tone generation channel number corresponding to the tone generation channel number GN in the tone generation channel management map is changed to the old pre-assignment order PO.
AS. [D76] Step D560 of the update processing 13 routine
5 to D5615 is performed. However, step D
The processing of 5606P to D5606U is not performed. In step D5609, the same processing as step D5411 of the update processing 11 routine is performed. When this process ends, the process returns to step D72.

Update Process 3 Routine This routine updates the pre-assignment order of the tone generation channels that have been released and held off by the operation of the sostenuto pedal. [D91] First, the third event occurrence flag of the task number "4: pre-assigner task" in the task management map is set to "0". Next, the old status number POSN is set to "3" and the old pre-assignment order POSA in the status is set to "1".

[D92] The damper flag DMPF is "1".
Or not. If the damper flag DMPF is "1", the process proceeds to the next step D93,
If it is not "1", the process proceeds to step D94. [D93] The new stage number PNSN and the lower stage number PDSN are set to "2" and the process proceeds to step D95.

[D94] The new stage number PNSN and the lower status number PDSN are set to "1" and step D9 is executed.
Go to 5. [D95] It is determined whether or not the maximum preassigned order PSAM [POSN] in the stage with the stage number POSN exceeds "0". Maximum pre-assignment rank PS in this stage
When AM [POSN] exceeds "0", the process proceeds to the next step D96, and when AM [POSN] does not exceed "0", the routine is finished and the process proceeds to step D10.

[D96] The preassignment order of the tone generation channel numbers having the old stage number POSN in the tone generation channel management map and the preassignment order of "1" in the stage is the old preassigned order POAS.
And [D97] Step D560 of update routine 13 routine
5 to D5615 is performed. However, step D
The processing of 5606P to 5606U is not performed. When this process ends, the process returns to step D95.

Update Processing 4 Routine This routine updates the pre-assignment order of the tone generation channels whose keys have been released and the dampers have been turned on by operating the damper pedal. [D111] First, the fourth event occurrence flag of the task number "4: pre-assigner task" in the task management map is set to "0". Next, set the old stage number POSN and the old pre-assignment order POSA in the stage to "1",
Set the new stage number PNSN and lower stage number PDSN to "2".

[D112] The determination process similar to step D72 of the update process 2 routine is performed. If the old pre-assigned rank POSA in the stage does not exceed the maximum pre-assigned rank PSAM [POSN] in the stage with the stage number POSN, the process proceeds to the next step D113, and if it exceeds, the routine ends. Then, the process proceeds to step D12.

[D113] The same process as step D73 of the update process 2 routine is performed. [D114] The same determination process as in step D72 of the update process 2 routine is performed. If the sostenuto status is "0", the process proceeds to the next step D115,
If not "0", the old pre-assigned rank in the stage
Increment POSA by "1" and step D112
Return to.

[D115] The same process as step D75 of the update process 2 routine is performed. [D116] The same process as step D76 of the update process 2 routine is performed. When this process ends, step D1
Return to 12. Update Processing 5 Routine This routine updates the pre-assignment order of the tone generation channels that have been released and held off by operating the damper pedal.

[D131] First, the fifth event occurrence flag of the task number "4: pre-assigner task" in the task management map is set to "0". Next, the old stage number POSN is set to "2", the old pre-assigned order POSA in the stage, the new stage number PNSN and the lower stage number PD.
Set SN to "1". [D132] The same determination process as in step D95 of the update process 3 routine is performed. If the maximum pre-assigned rank PSAM [POSN] in the stage with the stage number POSN exceeds "0", proceed to the next step D133. If it does not exceed "0", terminate the routine and step. D
Proceed to 14.

[D133] The same process as step D96 of the update process 3 routine is performed. [D134] The same process as step D97 of the update process 3 routine is performed. When this process ends, step D1
Return to 32. * Part of the processing of the envelope task is changed as follows. The following process is added to step E1.

[E1] Pre-sign processing request flag ER
Set QF to "0". When step E6p is added and step E5 is completed, the process proceeds to step E6p. [E6p] It is determined whether the stage number of the tone generation channel number corresponding to the envelope processing target number ECTN in the tone generation channel management map is "0".
If this stage number is "0", step E1
4. If it is not "0", go to step E6.

The step E6 is changed and the step E6a is added as follows. [E6] The target value and envelope of the envelope channel number corresponding to the envelope processing target number ECTN in the envelope management map when the note status of the tone generation channel number corresponding to the envelope processing target number ECTN in the tone generation channel management map is “0” It is determined whether or not the level is "0". If both are "0", the process proceeds to step E6a, and if neither is "0", the process proceeds to step E7.

[E6a] Presign processing request flag
When ERZF is set to "1", "4" indicating the end of tone generation processing and the envelope processing target number ECTN are sequentially loaded in the pre-assign processing FIFO, and the envelope processing target number ECTN in the tone generation channel management map is loaded.
The truncation prohibition flag of the tone generation channel number corresponding to is set to "0" and the process proceeds to step E14.

Steps E8 and E9 are changed as follows. [E8] It is determined whether or not the note status of the tone generation channel number corresponding to the envelope processing target number ECTN in the tone generation channel management map is "1". If the note status is not "1", the process proceeds to the next step E9, and if it is "1", the step E is performed.
Proceed to 11.

[E9] Envelope processing target note number ENNM in damper flag DMPF or note map
It is determined whether the sostenuto status of the note number corresponding to is "1". If either is "1", the process proceeds to step E11a, and both are "1".
If not, the process proceeds to step E10. Part of the processing of steps E10 and E11 and step E13 as follows:
Is changed and steps E11a and E12p are added.

When updating the target value, rate, etc. in step E10, it is not based on the damper value DMPV, and when the process is completed, the process proceeds to step E12p. When updating the target value, rate, etc. in step E11, it is not based on the damper value, and when the process is completed, the process proceeds to step E12p. [E11a] The rate of the envelope channel number corresponding to the envelope processing target number ECTN in the envelope management map is updated to "0", and the target value and rate are transferred to the tone generation circuit 30. When the processing is completed, the process proceeds to step E12p.

[E12p] The truncation prohibition flag of the tone generation channel number corresponding to the envelope processing target number ECTN in the tone generation channel management map is "0".
Or not. If the truncation prohibition flag is "0", the process proceeds to step E14, where "0" is set.
If not, the process proceeds to step E12. [E13] Set the truncation prohibition flag of the tone generation channel number corresponding to the envelope processing target number ECTN in the tone generation channel management map to "0", set the preassign processing request flag ERQF to "1", and perform preassignment. "2" indicating the attack end processing and the envelope processing target number ECTN are sequentially loaded in the processing FIFO.

Steps E17 and E18 are added, and the envelope processing target number ECTN is "1" at step E15.
If it is not less than 5 ", the process proceeds to step E17. [E17] The preassign process request flag ERQF is" 1 ".
Or not. If the pre-assignment processing request flag ERQF is "1", the process proceeds to step E18, and if it is not "1", the process returns to step E2.

[E18] A pre-sign request event is generated. In other words, the request destination task number NDTK is set to “4: pre-assigner task” and the request destination event value NDET.
Is set to "1" and an event occurrence monitor call is made.
Further, the pre-assign processing request flag ERQF is set to "0" and the process returns to step E2. * Part of the processing of step F4 of the pedal task is changed as follows.

When the damper pedal is stepped on, the damper flag DMPF is set to "1", and when it is returned, the damper flag DMPF is set to "0". When the sostenuto status is updated and / or the damper flag is set, a pre-assignment request event is generated. In other words, the requested task number NDTK is changed to “4: Pre-assigner task”,
The requested event value NDET is set to "2" when the sostenuto pedal is depressed, "3" when it is returned, to "4" when the damper pedal is depressed, and to "5" when it is returned. Make a monitor call.

As described above, in the present embodiment, the tone generation channel to which a new tone is assigned is the tone generation channel which is being rapidly attenuated for assigning the tone generation, and the so-called attack during which a predetermined time has not elapsed from the start of tone generation. It is selected from the tone generation channels excluding the tone generation channels. For the musical tone generation channels to be selected, the assignment order is set in the order of sound generation, key release and hold-off, key release and damper on, key release and sostenuto on, and key pressing. Further, in the same state, for example, in the state where the keys are released and the hold-off state is set, the tone generation channels having a continuous hitting relationship are assigned earlier than the tone generation channels having no continuous hitting relationship. Then, when a new musical tone is assigned to the musical tone generating channel, the assigning order of the musical tone generating channel having a continuous hitting relationship with the musical tone is changed to an earlier assigning order in the same state.
For example, if the key is released and the hold-off is
The keys are released, held off, and assigned earlier than the tone generation channels that are not related to repeated hits. Further, when the tone changes while the key is being depressed, such as when the tone is released, the order is changed according to whether or not there is a continuous hitting relationship. For example, if the key is released without the pedal being depressed, and if there is a continuous hitting relationship, it will be placed next to the order of the slowest tone generation channel that has been released, is held off, and is in the continuous hitting relationship. If there is no continuous hitting relationship, the key is released and the order is changed to the next order of the order of the slowest tone generation channel of the tone generation channels of hold-off.

Also in this embodiment, if necessary, a tone generation channel that is rapidly decaying for sound assignment and a so-called attack tone generation channel that has not passed a predetermined time from the start of sound generation are included in the selection target or the continuous hit processing target. May be included in. Further, processing similar to the processing of the first embodiment may be performed on the tone-generating channel for which the key has been released. In addition, the main assigner processing flag MAEF is set to step A6,
It may be set to "1" when the operation of the damper or the sostenuto pedal is detected in steps E6, E13 and step F4. Furthermore, when setting the continuous hit flag in step D540208 of the continuous hit processing routine, if the tone generation channel to be processed is key-pressing and its envelope level is higher than the attack level of the newly assigned tone generation channel, etc. The continuous hit flag may not be set.

When changing the assignment order based on the continuous hitting relationship, it may be changed to a lower (earlier) state. For example, the processing may be performed assuming that the tone generation channel during key depression has been released and is sostenuto-on. Specifically, in Step D540210, processing is performed as follows. With new stage number PN
The SN and the lower stage number PDSN are set to values obtained by subtracting "1" from the stage number of the tone generation channel number corresponding to the repeated hit processing target number PCTN in the tone generation channel management map. Subsequent steps D5507-5
Same as 513.

Alternatively, the tone generation channel during key depression may be regarded as already released and held off. Further, the rank may be changed to the next rank after the end of sound generation. For example, end of pronunciation, repeated hits, key release, hold-off ,. ． ． Order. Alternatively, when the assigning order is the key pressing order, the key pressing order may be changed to an earlier order. The order is the key press order in each state. It should be noted that at the end of sound generation, the order of channel numbers for generating musical sounds may be used.

In the first and second embodiments, the assigning order is changed based on the already-assigned continuous hitting relationship between musical tones, but it may be changed based on the continuous hitting relationship with a new musical tone. For example, the same process as the pre-assigner task is executed prior to the process of step B5 of the main assigner task. At this time, it is assumed that a new musical tone is assigned to the "17" th tone generating channel virtually provided for the continuous hit comparison target, and then the virtually provided "17"
Repeated hit processing including the second tone generation channel. In this case, the pre-assigner task may be deleted.

Further, the main assigner task may change the assignment order set in the pre-assigner task by judging the continuous hit relationship with a new sound. Specific examples of this processing will be described in the following modified examples 2 and 3. <Modification 2> In this modification, a new musical sound is assigned as follows. If the tone generation channel to which the assignment order is assigned has finished sounding, it is assigned to the tone generation channel to be assigned, and if the tone generation channel to be assigned has not finished pronunciation, allocatable tone generation If there is a tone generation channel that is a channel and is related to a new note-on, the tone generation channel is assigned to that tone generation channel. If there is no tone generation channel that can be assigned because it has a continuous hit relationship with a new note-on, it is assigned to the tone generation channel to be assigned.

Next, the case of application to the first embodiment will be described. Prior to the processing of step B5 of the main assign task, the following processing is performed. [B5p] When the target assignment order TASN is less than the number of allocatable tone generation channels GACN in the judgment in step B4; the tone generation channel number MASS [TAS of the assignment order TASN in the tone generation channel management map MASS [TAS
N], the sound volume of the tone generation channel number is “0”
Judgment is made. When the sound generation amount exceeds "0", the process proceeds to the next step, and when it does not exceed "0", in other words, when the sound generation is completed, the process proceeds to the next step B5. The note number is the note number NTNM
The same tone generation channels as the above are assigned in the order of assignment order, and the assignment order is the target assignment order TASN The number of assignable tone generation channels The assign order up to GACN minus "1"
Search from the tone generation channel corresponding to the TASN tone generation channel number MASS [TASN]. Specifically, the assignment order in the tone generation channel management map is the assignment order TASN from the target assignment order TASN to the assignable number of tone generation channels GACN minus "1" in the order of assignment order.
Tone generation channel number of MASS [TASN], the note number of the tone generation channel number corresponding to the note number and the note number NTNM are compared, and if there is a tone generation channel whose note number matches, the assign order is assigned to that tone generation channel. Are rearranged so that becomes the allocation target rank.

In short, the assignment order of the tone generation channel whose note number first matches is the target assignment order TASN
In addition, the tone generation channel corresponding to the tone generation channel number MASS [TASN] of the assignment order TASN up to a value obtained by subtracting “1” from the assignment order of the tone generation channel whose note number first matches the target assignment order TASN. The number assignment order is incremented by "1". For example, TASN is “0”, GACN is “10”, MASS

[0] = 5, MASS [1] = 7, MASS [2] = 8, MASS
If [3] = 9 and the note number of the tone generation channel whose assignment order is “3” (MASS [3]) is the same as the note number NTNM, MASS

[0] = 9, MASS [1] = 5, MASS
[2] = 7 and MASS [3] = 8. When the processing is completed, the process proceeds to step B5.

If there is no tone generation channel having the same note number as the note number NTNM, the process proceeds to step B5. Similarly, the present modification can be applied to the second embodiment with appropriate modifications. <Modification 3> In this modification, a new musical sound is assigned as follows. If the tone generation channel to which the assignment order is assigned has finished sounding, it will be assigned to the tone generation channel to be assigned, and if the tone generation channel to be assigned has not finished sounding, the tone generation to be assigned will occur. When the channel has a continuous hitting relationship with a new note-on, it is assigned to the tone generation channel to be assigned. In addition, when the tone generation channel to be assigned has not finished sounding, if there is a tone generation channel that can be repeatedly assigned to a new note-on that can be assigned, this new assignable note-on and tone-related tone When the tone generation amount of the generation channel is virtually reduced to 1/10, and then the virtual tone generation amount becomes smaller than the tone generation amount of the musical tone generation channel to be assigned, which is corrected based on the consecutive hit relation, the musical tone in the consecutive hit relation Assign to a generation channel. If there is no tone generation channel that has a continuous hitting relationship with a new note-on that can be assigned, or if the virtual sound generation amount of the tone generation channel that has a continuous hitting effect is corrected based on the repeated hitting sound, the pronunciation of the tone generation channel to be assigned is corrected. If it does not become smaller than the amount, it is assigned to the tone generation channel to be assigned.

Next, the case of application to the first embodiment will be described. The process of B5p in Modification 2 is changed as follows. It is determined whether the tone generation channel of the target assign order TASN has a continuous hitting relationship with a new note-on tone. Specifically, the tone generation channel number of TASN assigned in the tone generation channel management map.
It is determined whether the note number of the tone generation channel number corresponding to MASS [TASN] and the note number NTNM are the same. If these note numbers are the same, step B
5. If not the same, proceed to the next. The tone generation amount of the tone generation channel number corresponding to the tone generation channel number MASS [TASN] of the assignment order TASN in the tone generation channel management map is set as the evaluation tone generation amount. Target assignment order TASN musical tone generation channels are targeted assignment order TA
Number of assignable tone generation channels from the next assignment order of SN Up to a value obtained by subtracting “1” from GACN Is there a continuous hitting relationship with any tone generation channel corresponding to the tone generation channel number MASS [TASN] of the assignment order TASN? Determine whether or not.
Specifically, the number of musical tone generation channels that can be assigned from the note number of the musical tone generation channel number corresponding to the assignment tone TASN in the musical tone generation channel management map and the assignment number next to the target assignment sequence TASN. Assignment order up to GACN minus "1"
If the note number is the same as any of the note numbers of the tone generation channel number corresponding to the tone generation channel number MASS [TASN] of TASN, The evaluation pronunciation amount is set to 1/10, and if no note number is the same, no change is made. Then, when the processing is completed, the process proceeds to the next step. The number of tone generation channels that can be assigned from the next assignment order of the assignment order TASN whose note number is the same as that of the note number NTNM, in the order of assignment order, and the pronunciation level of which is less than 10 times the evaluation pronunciation level GACN
Search for the tone generation channel corresponding to the tone generation channel number MASS [TASN] of the assignment order TASN up to the value obtained by subtracting "1". Specifically, the assignment order in the tone generation channel management map is in the order of assignment order. The assignment order TA from the next assignment order of the assignment order TASN to the assignable number of tone generation channels GACN minus "1" TA
It is determined whether or not the note number of the tone generation channel number corresponding to the tone generation channel number MASS [TASN] of the SN is the same as the note number NTNM and the tone generation amount is less than 10 times the evaluation tone generation amount. When there is a tone generation channel whose note number is the same as the note number NTNM and whose pronunciation amount is less than 10 times the evaluation tone amount, the assignment order is rearranged so that the tone generation channel becomes the assignment target order, If the note number is the same as the note number NTNM and there is no tone generation channel whose tone generation amount is less than 10 times the evaluated tone generation amount, no rearrangement is performed. When the processing is completed, the process proceeds to step B5. <Modification 4> In this modification, a new musical sound is assigned as follows. If the tone generation channel to which the assignment order is assigned has finished sounding, it will be assigned to the tone generation channel to be assigned, and if the tone generation channel to be assigned has not finished sounding, the tone generation to be assigned will occur. When the channel has a continuous hitting relationship with a new note-on, it is assigned to the tone generation channel to be assigned. In addition, when the tone generation channel to be assigned has not finished sounding, if there is a tone generation channel that can be repeatedly assigned to a new note-on that can be assigned, this new assignable note-on and tone-related tone The assignment order of the generation channels is virtually set, and when the virtual assignment order becomes smaller than the assignment order of the assignment target, it is assigned to the tone generation channel having the continuous hitting relationship.

If there is no tone generation channel that is in continuous hitting relation with a new note-on that can be assigned, or if the virtual assignment order of the tone generation channel that is in continuous hitting is not smaller than the assignment order of assignment target, the assignment target tone is set. Assign to a generation channel. Next, the case of application to the second embodiment will be described.

Prior to the processing of step B5 of the main assigner task, the following processing is performed. [B5p] When the target assignment order TASN is less than the number of assignable tone generation channels GACN in the determination in step B4; the tone generation channel number MASS [TASN] of the assignment order TASN in the tone generation channel management map
It is determined whether or not the stage number of the tone generation channel number corresponding to is above "0". If this stage number exceeds "0", proceed to the next step, "0"
If it does not exceed, in other words, if the sounding has ended, the process proceeds to the next step B5. It is determined whether the tone generation channel of the target assign order TASN has a continuous hitting relationship with a new note-on tone. Specifically, it is determined whether or not the note number and the note number NTNM of the tone generation channel number corresponding to the tone generation channel number MASS [TASN] of the assign order TASN in the tone generation channel management map are the same. If these note numbers are the same, the process proceeds to step B5, and if they are not the same, the process proceeds to the next. It is determined whether or not the continuous hit flag of the tone generation channel number corresponding to the tone generation channel number MASS [TASN] of the assignment order TASN in the tone generation channel management map is "1". If the continuous hit flag is "1", the process proceeds to step B5, and if it is not "1", the process proceeds to the next. Note number is the same as note number NTNM The tone generation channels are assigned in order of assignment order, and the assignment order is the target assignment order TASN The number of assignable tone generation channels from the next assign order TASN Search from the tone generation channel corresponding to the tone generation channel number MASS [TASN] of. Specifically, the assignment order in the tone generation channel management map is assigned in the order of assignment order. The number of assignable tone generation channels from the assignment order next to the assignment order TASN. Generation channel number MASS
It is determined whether the note number of the tone generation channel number corresponding to [TASN] is the same as the note number NTNM. If there is a tone generation channel whose note number is the same as the note number NTNM, the process proceeds to the next step, and if not, the process proceeds to step B5. First, the assignment order of the tone generation channel having the same note number as the note number NTNM is virtually changed by a process similar to the continuous hitting process of the update processing routine 11. In other words, a new assignment order is obtained when the assignment order is updated based on a new note-on, and then it is determined whether or not the virtual assignment order is smaller than the target assignment order TASN. When the virtual assignment order is lower than the target assignment order TASN, the assignment order is rearranged so that the tone generation channel is the allocation target order, and when it is not lower, the rearrangement is not performed. When the processing is completed, the process proceeds to step B5.

In each of the embodiments and the modified examples, the tone generation channels whose sound generation amount is equal to or less than the tone generation channel which can be regarded as the tone generation is substantially finished may be processed in the same manner as the tone generation channels whose tone generation is ended. . Also, the assignment order may be made earlier than when a plurality of consecutive hits occur. For example, when there are three tone generation channels with the same pitch, in the first embodiment, the pre-assigner tone generation amount of the tone generation channel with the lowest tone amount is changed to 1/100,
Next, the pre-assigner sound generation amount of the tone generation channel having the lower sound generation amount is changed to 1/10. Further, in the second embodiment, the state of the tone generation channel having the earliest assignment order is changed to a lower state, and the tone generation channel having the next lower sounding amount is changed to the earlier assignment order of the same state. .

Although the truncation prohibition phase number is the phase number at which the attack ends, it may be changed according to the period when the period that greatly affects the performance expression immediately after the start of sounding is longer. good. For example, include a decay period. Further, it may be applied to a multitimba electronic musical instrument. In this case, the judgment condition of the continuous hitting relation includes that it is the same part, but if necessary, the related part may be included.

In the first and second embodiments, an example of multitask processing is shown, but single task processing may be used. At this time, for example, even if the same processing as the processing in the pre-assigner task is executed based on an interrupt such as a timer interrupt, or the processing in the main routine in which the key data is assigned to the tone generation channel is the same as the processing in the pre-assigner task. May be processed.

In the process of assigning the key data to the tone generation channel in the step B5 of the main assigner task of the first and second embodiments, first, the tone generation is finished, in other words, the tone generation channel is vacant. Alternatively, if there is no vacant tone generation channel, a tone generation channel related to repeated hits may be searched for and assigned, and if there is no tone generation channel related to repeated strikes, for example, they may be assigned in the order of evaluation sound generation amount. Further, if there is no free tone generation channel, the evaluation tone generation amount of the continuous tone-related tone generation channel may be changed and then assigned based on the evaluation tone generation amount. It should be noted that it is preferable to include a musical tone based on new key data in the repeated hitting process. Further, first, in addition to the tone generation channels for which sound generation has ended, it may be assigned to tone generation channels whose sound generation amount is equal to or less than that at which sound generation can be considered substantially ended.

The present invention, in addition to an electronic musical instrument having a keyboard section, a so-called musical tone generating apparatus for generating musical tones based on performance information received from another electronic musical instrument having no keyboard section, for example, an automatic musical instrument. It can also be applied to automatic rhythms. In addition, when applied to an automatic rhythm, the determination of the continuous hitting relation is made based on the same tone color or the like.

[0264]

As described above, according to the present invention, in order to predetermine the selection order of the tone generation channels to which new musical tones are assigned, the tone generation channels which are not in a sounding state as a whole It becomes a tone generation channel having a continuous hitting relationship, and it is possible to suppress a feeling of strangeness in performance expression.

[Brief description of drawings]

FIG. 1 is a schematic block diagram of a first embodiment of an electronic musical instrument assigning device according to the present invention.

FIG. 2 is a configuration diagram of a note map of the first embodiment.

FIG. 3 is a configuration diagram of an envelope management map of the first embodiment.

FIG. 4 is a configuration diagram of a task management map of the first embodiment.

FIG. 5 is a configuration diagram of a tone generation channel management map of the first embodiment.

FIG. 6 is a flowchart of a reset routine of the first embodiment.

FIG. 7 is a flowchart of an event wait monitor call routine according to the first embodiment.

FIG. 8 is a flowchart of an event occurrence monitor call routine of the first embodiment.

FIG. 9 is a flowchart of a timer interrupt processing routine of the first embodiment.

FIG. 10 is a flowchart of a key data reception interrupt processing routine of the first embodiment.

FIG. 11 is a flow chart diagram of a key data receiving task of the first embodiment.

FIG. 12 is a flow chart diagram of a main assigner task of the first embodiment.

FIG. 13 is a flow chart diagram of a pronunciation task of the first embodiment.

FIG. 14 is a flowchart of the pre-assigner task of the first embodiment.

FIG. 15 is a flowchart of a continuous hitting processing routine according to the first embodiment.

FIG. 16 is a flowchart diagram of an envelope task according to the first embodiment.

FIG. 17 is a flowchart of an operator task according to the first embodiment.

FIG. 18 is a flowchart of a repeated hitting processing routine for explaining a modified example.

FIG. 19 is a flowchart of the pre-assigner task of the second embodiment of the electronic musical instrument assigning device according to the present invention.

FIG. 20 is a flow chart diagram of an update processing 11 routine of the second embodiment of the electronic musical instrument allocating apparatus according to the present invention.

FIG. 21 is a flowchart of a continuous hitting processing routine of the second embodiment of the electronic musical instrument assigning device according to the present invention.

FIG. 22 is a flowchart of an update processing 12 routine of the second embodiment.

[Explanation of symbols] 20 Keyboard 21 Bus 22 CPU 23 Operator group 24 Pedal group 25 ROM 26 RAM 27 Timer 28 Operator detection circuit 29 Pedal detection circuit 30 Music tone generation circuit 31 Amplifier 32 Speaker ───────── ─────────────────────────────────────────────

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[Submission date] November 6, 1991

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Claims (8)

[Claims] 1. An electronic musical instrument allocating device for selecting a musical tone generating channel and allocating a new musical tone, wherein: (a) a continuous hitting relation detecting means for detecting a musical tone generating channel having a continuous hitting relation among the musical tone generating channels in a sounding state. , (B) For at least the tone generation channels other than the specific tone generation channels in the tone generation channels having the consecutive hit relation detected by the consecutive hit relation detecting means, at least the above-mentioned pronunciation according to the assignment order based on a predetermined order criterion. Falsification means for falsifying the contents subject to the rank criterion in the predetermined rank criterion and (C) by this falsification means so that a new music sound is preferentially selected and assigned among the tone generation channels in the state. Based on the contents of the falsified ranking criterion, the tone generation channels are assigned to the channels based on the predetermined ranking criterion. An electronic musical instrument allocating device, comprising: an order selecting means for predetermining a selection order of a tone generation channel for allocating a new musical sound according to a hit order. 2. The predetermined rank criterion is a rank criterion in which the content subject to the rank criterion is used as a sound output amount of a musical sound in the musical sound generating channel, and a musical sound generating channel having a small sound generating amount is prioritized. The electronic musical instrument allocating device according to claim 1. 3. The predetermined rank criterion sets at least a note-off sound state as a sounding state mode including a note-on sounding state and a note-off sounding state of a musical sound in a musical tone generating channel. 2. The electronic musical instrument allocating device according to claim 1, wherein the musical tone generating channel is a priority criterion for giving priority to a certain musical tone generating channel over a musical tone generating channel in a note-on state. 4. The predetermined rank criterion is a mode of a sound generation state including a note-on sound generation state and a note-off sound generation state of a musical sound in a musical tone generation channel, and a content of the musical tone generation channel in the musical tone generation channel. At least the tone generation channel in the note-off state is prioritized over the tone generation channel in the note-on state, and at least the tone generation channel in the note-off state is 2. The electronic musical instrument allocating apparatus according to claim 1, wherein the electronic musical instrument allocating device is a ranking criterion that prioritizes smaller musical tone generating channels. 5. A predetermined tone criterion is a tone generation channel in which a tone generation channel in a tone generation state is in a tone generation state, in which the contents of the rank criterion are defined as tone generation states and tone end states of a tone in a tone generation channel. 2. The electronic musical instrument allocating device according to claim 1, wherein the electronic musical instrument allocating device is a priority standard. 6. The specific tone generation channel is a tone generation channel that is in a sounding state of maximum sounding amount among rapid tone decay, attack and / or all tone generation channels. The electronic musical instrument assigning device according to any one of 1 to 5. 7. The electronic musical instrument assigning apparatus according to claim 4, wherein the note-on sounding state and the note-off sounding state are a sounding state regarding key depression and a sounding state regarding key release. 8. The electronic device according to claim 3, wherein the predetermined rank criterion is a rank criterion that includes a sounding state of a damper and / or a sounding state of sostenuto in the contents of the rank criterion. Instrument assignment device.