JPH0325497A - Electronic musical instrument - Google Patents

Abstract

PURPOSE:To obtain the electronic musical instrument which is increased in the degree of freedom of performance by using suction pressure for the input of musical sound control as well as exhalation pressure. CONSTITUTION:A key circuit 24 is installed as an input means for key information which is inputted through an operating element as a pitch specifying means, and a breathing pressure detecting means 28 detects the exhalation pressure or suction pressure of a player. Then a central processor 10 which controls the generation of a musical sound according to the exhalation pressure and suction pressure is installed, a musical sound signal based upon the pitch specification of the operating element is generated according to the exhalation pressure, and the suction pressure is used at the start of an accompaniment and for other musical sound control. Consequently, operation input is expanded and the degree of freedom of the performance can be increased.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an electronic musical instrument that uses manual key input as well as press input for musical tone control and the like.

[Conventional technology]

Electronic musical instruments that imitate wind instruments such as recorders and flutes,
It is equipped with keys similar to those of wind instruments, and is configured so that a large number of pitches can be specified using a limited number of keys, and sounds can be produced by press input.

[Problem to be solved by the invention]

By the way, with these electronic instruments, the pitch is specified by combining multiple keys, just like with wind instruments, so playing techniques unique to wind instruments are required, but players who have learned how to play wind instruments can Even if an attempt is made to simulate other musical instruments using such an electronic musical instrument, there is a risk that it will not be possible to simulate the playing method of the other instrument due to the unique nature of the pressing force and key force. For example, when accompaniment is provided to a melody performance, there is a drawback that it is difficult to control the accompaniment.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide an electronic musical instrument that uses not only exhalation pressure but also inhalation pressure as an input for musical tone control with respect to press input, thereby increasing the degree of freedom in performance.

[Means for Solving the Problems] That is, the electronic musical instrument of the present invention has an operator (
keys 401 to 409), patient pressure detection means (breath sensor 28) that detects expiratory pressure and inspiratory pressure, and the exhalation pressure detected by the breath pressure detection means or the It is equipped with a musical tone generation control means (CPUIO) that controls the generation of musical tone according to the intake pressure.

[Function] The electronic musical instrument of the present invention includes an operator for specifying pitch and a breath pressure detection means, and detects the player's exhalation pressure or inhalation pressure through the breath pressure detection means.

The musical tone generation control means generates a musical tone signal based on the pitch specified by the operator, for example, based on the exhalation pressure, and uses the inhalation pressure for other musical tone control such as starting an accompaniment.

Therefore, in the electronic musical instrument of the present invention, in addition to the exhalation pressure of the operator and the breath pressure detection means, the inhalation pressure is used for musical sound control, expanding the operational input and increasing the degree of freedom of performance. Musical instruments other than wind instruments can be performed using electronic musical instruments that imitate .

〔Example〕

Hereinafter, the present invention will be explained in detail with reference to embodiments shown in the drawings.

1 to 24 show an embodiment of the electronic musical instrument of the present invention, and then the structure and operation of this embodiment will be shown item by item.

A. Functional circuit section (Fig. 1) Page 6 B. Instrument body (Fig. 2) Page 12 C. Breath sensor (Figure 10) Page 14 D. Operation of the electronic musical instrument (a) Overview of operation modes i. Normal (NML) mode 17 pages i (.Auto base code (ABC) mode 17 pages/RUN) Mol 8 pages run (ABC/18 pages (SEQ/R) 19 pages (SEQ/R 20 pages (SEQ-P 21 pages iii) ．Normal run (NML iv. Auto base code/RUN) mode ■．Sequencer/record/standby EC-WAIT) mode ■.Sequencer/record/run EC-RUN) mode WATT) Mode Sequencer/Play/Run (SEQ-PLAY-
RUN) mode Page 21 (b) Initial setting mode processing Page 22 (C) NML mode processing
Page 23 (d) ABC mode processing
Page 28 (e) NML-RUN mode processing 3
Page 2 (f) ABC-RUN mode processing Page 36 (SEQ-REC-WAIT mode processing Page 40 (h) SEQ/REC/RUN mode processing Page 44 (i) SEQ-P LAY-WA I T mode processing page 4B (j) SEQ-PLAY-RUN mode processing page 52 (9) Clock interrupt (CLK-IRQ) processing page 56 (e) Sequencer read (SEQ-REAtl) mode processing page 63 (n) Sequencer start ( SEQ-ST) Mode processing
Each item will be explained on page 66 and below.

A. Functional Circuit Section FIG. 1 shows a functional circuit section in one embodiment of the electronic musical instrument of the present invention.

The functional circuit section 2 is a means for electrically realizing musical instrument functions, and has a musical tone generation control function that controls the generation of musical tones according to exhalation pressure and inspiration pressure. Therefore, this functional circuit section 2 is equipped with a central processing unit (central processing unit) that is installed as an arithmetic processing means that performs data arithmetic processing as a wind instrument, and that performs musical tone generation control that controls the generation of musical tones according to exhalation pressure and inhalation pressure. CPU) 10 is installed. This CPUIO includes a program memory l2, a register group 14, a pattern memory l6, a table 18, a sequencer memory 20, a tempo generator 22, a key circuit 24, a switch group 26, a breath sensor 28, and a tone generator 30 on a bidirectional bus. 32.

The program memory l2 is, for example, a read-only memory (
It is composed of a ROM (ROM), and stores various control programs such as musical tone control and transposition control necessary for performing performance processing as a wind instrument.

The register group 14 temporarily stores various data generated when the CPUIO executes a control program, such as chord data, rhythm data, transpose data, etc.
The arbitrary area set in M) is monitored.

The pattern memory 16 is composed of ROM or RAM,
Rhythm patterns etc. are stored.

The table 18 is a storage means for musical tones and the like constituted by a read-only memory, and is composed of two tables TA, TA, etc., as shown in FIG. 3, for example.
Table TA. has key code KC, and table T.
A. chord data CHD is stored in table TA. key code KC or table T A
z is converted to chord data CHD. That is, table T
At A, a key code KC corresponding to the key information is obtained.

By the way, the chord data CHD is as shown in FIG.
It is composed of 8 bits including the root (R○OT), which represents the 12 root notes, and the type (TYPE), which represents the type of chord. ROOT and TYPE in chord data CHD
are shown in Table 1.

Table 1 Also, as shown in FIG. 5, keys and key codes KC correspond.

The sequencer memory 20 is a storage means for storing chords for performing automatic accompaniment as well as their playing order. For example, as shown in FIG. , ■). SEQI includes, for example, three sets of sequencers SEQ1
, SEQ2, SEQ3 (hereinafter simply S E Q+ ,
S E Q! , S E Qs) is installed, and S
EQII includes each sequencer SEQ. ,SEQt,SE
Q. The reading order of data stored in is stored. For example, as shown in FIG.
, SEQ. , SEQ. Assuming that the reading order of SEQ. is written, as shown in FIG. From S E Q 3, S E Q:
SE Q z is accessed from l.

Incidentally, in SEQI, CHD indicates a selected chord, duration data DUR indicates time information between chords, and FFh indicates data representing an end code. In addition, the duration data DUR is 4 as shown in FIG.
It has an 8-bit configuration consisting of a CH bit and a beat number (BT) of 4 bits.

The tempo generator 22 is controlled by an oscillation circuit that combines an oscillator and a frequency divider, or a variable frequency oscillator, etc., and generates clock pulses representing the necessary tempo. Used for interrupt processing.

The key circuit 24 is installed as a manual means for inputting key information through an operator as a pitch specifying means, and is composed of key switches operated by a plurality of keys installed on the musical instrument main body 4 shown in FIG. In response to the key press operation of the selected key, the key press and key release are detected and data representing the name of the operated key is generated.

The switch group 26 represents a plurality of functional switches installed on the musical instrument main body 4, and is other than key switches. This switch group 26 includes S E Qr in SEQl.
, S E Qz , S E Ql (SEQ+ sw, SEQz
SW, SEQUI SW) orsEQt SW) 25
1, 252, 253, selected SEQ,, S E Q
t, recording switch (REC SW) 254, which specifies writing of data to S E Q s, rhythm change switch 255, 256, tempo speed change switch 257, 258, start/stop (ST
/ST) switches 259, 260, tone changeover switches 261, 262, transpose changeover switch 263 for increasing transpose TRS, transpose TR
a transpose changeover switch 264 for decreasing S;
It includes an ABC switch 265, octave switches 266 and 267 for switching octaves, an octave down switch (OCT DWN sw) 268, and the like.

The transpose changeover switches 263 and 264 are provided as transposition setting means for setting an arbitrary amount of transposition.

Next, the breath sensor 28 is installed as a patient pressure detection means for detecting exhalation pressure and inhalation pressure, and is installed in the mouthpiece 6 which is an element of a wind instrument. It electrically detects the applied breath pressure and generates breath data.

Next, the tone generator 30 includes a melody tone generator TG. , an accompaniment tone generator TGc and a rhythm tone generator TG are provided, and the CPU
A musical sound signal is generated according to data on key presses, key releases, timbre, and pitch from the IO.

A sound system 34 is connected to the tone generator 30 as a musical sound reproduction means composed of an amplifier, a subwoofer, etc., and the musical sound signal formed by the tone generator 30 is produced as a musical sound through the sound system 34. Ru.

B. Musical instrument body (A), (B), and (C) of FIG. 2 show the musical instrument body in one embodiment of the electronic musical instrument of the present invention.

This electronic musical instrument has a built-in functional circuit section 2, and
The main body 4 of the musical instrument is provided as a mechanical structure including a mechanical operation section serving as a data manual section for inputting performance information required by the performer, and a means for producing musical tones.

As shown in FIGS. 2(A) and 2(B), the instrument body 4, which has the shape of a wind instrument, has a mouthpiece at one end that the performer holds in his lips and into which he blows in to initiate sound production. 6 is attached, and an opening 42 is provided on the other end side, and a speaker 44 of a sound system 34 for reproducing musical tones as audio is built inside the opening 42.

A sequencer SEQ,
, SEQz, a switch 251 for selecting SECh;
252, 253, and a recording switch 254 are installed, and below this recording switch 254, a plurality of keys 401, 402,
403, 404, 405, 406, 407, 408, 4
09 is installed. Furthermore, on one side of the instrument body 4, there are installed rhythm change switches 255, 256, tempo speed change switches 257, 258, a switch 259 for starting and stopping the performance, and a switch 260 for starting and stopping the rhythm. , on the other side, a tone selection switch 261,
262, transpose selector switch 263, 264
is installed.

Further, as shown in FIG. 2C, an ABC switch 265, octave switches 266, 267, and an octave down switch 268 are installed on the back side of the musical instrument body 4.

Keys 4'01 and 402 in this instrument body 4
, 403, 404, 405, 406, 407, 408,
The relationship between fingering and scale for 409 is shown in FIG. A black circle indicates a closed state when a key is selected, and a white circle indicates an open state.

C. Breath sensor FIG. 10 shows an embodiment of a breath sensor that detects exhalation pressure and intake pressure with the mouthpiece 6 installed in the musical instrument main body 4 shown in FIG.

The mouthpiece 6 is provided with a vent 61 through which the player holds the mouth between his lips to blow or inhale, and inside the mouthpiece 6 is an air chamber 6 to which breath pressure is applied from the vent 61.
2 is provided. This air chamber 62 has a vent 6,
An air passage 63 communicating with the outside air is formed in a wall portion apart from the vent 61 in order to perform a breathing action between the air vent 61 and the air vent 61. The main body 64 of the mouthpiece 6 also has an air chamber 62.
A breath sensor 28 is installed on the bottom side of the instrument to electrically detect the exhalation pressure caused by the player's breathing or the inhalation pressure caused by the inhalation. This breath sensor 28 includes, for example,
Utility Model Publication No. 62-3827 ``Breath Pressure Sensor for Electronic Wind Instruments'' may also be used.

The breath sensor 28 includes an elastic membrane 28 made of an elastic material such as rubber that expands and contracts depending on the patient's pressure.
1 is installed, and on the back side of this elastic film 281, a light emitting diode 283 as a converter that converts the displacement of the elastic film 281 into an electric signal, and a phototransistor 284 as a light receiving element are installed. That is, on the back side of the elastic film 281, a light reflecting surface 282 is formed. This light reflecting surface 2
Light emitting diode 283 as a light source that irradiates light to 82
is installed, and the reflected light from the light reflecting surface 282 of the elastic membrane 281 that moves due to the applied breath pressure is extracted by a phototransistor 284 as a level signal representing the affected pressure. This level signal is caused by the lowering of the elastic membrane 281 due to the breath pressure caused by breathing in, and the lowering of the elastic membrane 281 by the breath pressure caused by breathing in.
Since the reflected light corresponding to the vertical movement position of the elastic film 281 due to the rise of the elastic film 81 enters the phototransistor 284, a scene of receiving the reflected light is shown. For example, as shown in FIG. 11, the amount of light received by the phototransistor 284 changes in response to the displacement of the elastic membrane 281 according to the patient's pressure, and a level signal representing the breathing pressure is obtained through the phototransistor 284. In this level signal, if level L0 is the equilibrium point of breath pressure O, then
Level L1 is keyed off and level L is generated by blowing.
2 is set as the key-on, level L, generated by suction is set as the suction detection point, and level L! representing key-on is set as the suction detection point. It is possible to use a level exceeding the above for sound generation control by aftertouch AT.

D. Operation of the Electronic Musical Instrument Below, an overview of the operation modes will be given, and the processing of each operation mode will be explained with reference to flowcharts.

(a) Overview of Operation Modes FIG. 12 shows state transitions of the operation modes of the electronic musical instrument shown in FIGS. 1 and 2.

i. NML Mode In this mode, with automatic performance such as rhythm and accompaniment stopped, pitch is specified by key operation based on the fingering chart shown in Figure 9, and a musical tone with the specified pitch is pressed. This mode generates sounds according to operations.

This NML mode and ABC mode are ABC switch 2
65, and NM by operating the start/stop (ST/ST) switch 260.
Can be switched between L-RUN mode and N
What is ML mode and SEQ-PLAY-WAIT mode?
When the ABC switch 265 cancels the ABC mode, the operation of the start/stop switch 260 causes a transition from the SEQ/PLAY-WAIT mode to the NML mode, and the operation of the sequencer selection switches 251 to 253 causes a transition from the NML mode to the SEQ/PLAY-WAIT mode. WA■T
Transition to mode.

ii. ABC Mode This mode is a mode in which auto base chords (ABC) are repeatedly played.

The ABC mode and NML mode are ABC switch 2
65, the start/stop switch 260 causes a transition to the ABC-RUN mode, and the operation of the sequencer selection switches 251 to 253 causes a transition to the SEQ-PLAY-WAIT mode.

In addition, this mode is the sequencer selection switch 251~
253 and record switch 254 at the same time
- Transition to REC-WAIT mode.

iii. NML-RUN mode In this mode, automatic accompaniment is not performed, but rhythmic accompaniment is performed and musical tones are generated by key-on and press operations.

This mode is set to N with the start/stop switch 260.
It changes to ML mode, and also changes to ABC-RUN mode by operating the ABC switch 265.

iv. ABC-RUN mode This mode is a mode for performing automatic accompaniment operations in response to press operations.

In this mode, start/stop switch 26
0 operation causes a transition to ABC mode, and A
NML-RUN by operating the BC switch 265
Transition to mode.

v, SEQ-REC-WAIT mode This mode represents a chord recording standby state for SEQ, ~SE(;h.

In this mode, if the ABC switch 265 is operated to cancel the ABC mode, then the start/stop switch 260 is operated to directly transition to the NML mode.

Further, in this mode, if the start/stop switch 260 is operated during ABC operation, a transition is made to the ABC mode. That is, from ABC mode to SEQ-REC-WAIT
mode (ABC switch 265 is on (ABC=1)}, the operation of the start/stop switch 260 causes the transition to the ABC mode, and the N
When transitioning from ML mode to SEQ-REC-WAIT mode (ABC switch 265 is off (ABC=
O)) By operating the start/stop switch 260, a transition is made to the NML mode.

When a breath-on event occurs in this mode, a transition is made to the SEQ-REC-RUN mode.

vi. SEQ-REC-RUN mode In this mode, the SEQI, s
E (h, record the chord in SEQ3 and SE in SEQII
This is a mode for recording the reading order of Q+, SE(;h, SEQ3.

When the ABC mode is transiting to the SEQ-REC-RUN mode via the SEQ-REC-WAIT mode {ABC switch 265 is on (ABC
=1)), the start/stop switch 260 is operated to transition to ABC mode, and the SEQ-REC/WAIT mode is changed from NML mode to SEQ-REC/WAIT mode.
When transitioning to REC-RUN mode {ABC switch 265 is off (ABC=O)), start/
By operating the stop switch 260, a transition is made to the NML mode.

vi. SEQ-PLAY-WAIT mode This mode is a mode representing a standby state in which SEQn is operated and transitions to chord playback by key and press operations.

After 2 measures have passed from this mode, SEQ/PLA
Transition to Y-RUN mode, transition to ABC mode by the start/stop switch 260 during ABC operation, and further change to SEQ by operating the sequencer selection switches 251, 252, 253 from the ABC mode.
- Transition to PLAY-WAIT mode.

width. SEQ-PLAY-RUN mode SEQ according to the succession order stored in SEQII
＋． ．． In this mode, SEQ2 and SEQt are accessed and chords are played back by key and press operations.

In this mode, if the ABC switch 265 is on (ABC-=1), the start/stop switch 260 is operated to transition to the ABC mode, and the
When BC switch 265 is off (ABC=O)
NM by operating the start/stop switch 260.
Transition to L mode.

Therefore, in this electronic musical instrument, the above-mentioned state transitions allow for sound generation based on key information, SEQ. , S.E.
Q! , SEQa, the reading order of SEQ+, SEQg, SEQ, SEQn, automatic accompaniment, rhythm pronunciation, etc. can be performed.

(b) Initial setting mode processing FIG. 13 shows a flowchart of initial setting mode processing.

When the power switch is turned on, the CPUIO reads the control program stored in the program memory 12 and starts operating according to the program. in this case,
Initial setting mode at the same time as power supply? and step SOO
In I, the initialization routine operates and register group 1
After the various registers in 4 are initialized, NM
Transition to L mode.

(c) NML mode processing FIG. 14 shows a flowchart of NML mode processing.

In the NML mode, in step S101, data "0" representing the NML mode is stored in the mode register MD in the register group l4, and data "0" is stored in the RUN register corresponding to the start/stop switch 260.
, data r■, are stored in the ABC register corresponding to the ABC switch 265.

Next, in step S102, it is determined whether there is an on event of the start/stop switch (ST/ST SW) 260, and the start/stop switch 260 is turned on.
If an on-event has occurred in the start/stop switch 260, the NML mode is canceled and a transition is made to the NML-RUN mode (FIG. 16), and if an on-event has not occurred in the start/stop switch 260, the process proceeds to step 3103. to move to.

In step 3103, it is determined whether there is an on-event in the ABC switch 265, and if an on-event has occurred in the ABC switch 265, the NML mode is canceled and the transition is made to the ABC mode (FIG. 15). If no on event has occurred in step S104, the process returns to step S104.

In step S104, the sequencer selection switch (S
EQ1SW, S EQz SW. ．． SEQ3SW)
251, 252, 253 is determined whether or not an on event has occurred, and the sequencer selection switches 251 to 25
If an on-event has occurred in any one of 3, the process moves to step S105. In step S105, the sequencer selection switches 251 to 253 and the recording switch (RE
It is determined whether or not the CSW) 254 are pressed simultaneously, and if any of the sequencer selection switches 251 to 253 and the recording switch 254 are pressed simultaneously, the NM
From L mode to SEQ-REC-WAIT mode (18th
), and the sequencer selection switch 251 to
253 and the record switch 254 are not pressed at the same time, the SEQ-PLAY-WA is changed from NML mode.
Transition to IT mode (Figure 20).

Further, in step Sl04, if an on event has not occurred in any of the sequencer selection switches 251 to 253, the process moves to step 3106, and step 31
In step S106, it is determined whether or not there is a change in the key state, and if there is no change in the key state, the process proceeds to step S107.
If the key state has changed, the process moves to step 3108.

In step S107, it is determined whether or not there is a press event by detecting exhalation pressure through the breath sensor 28, and if a press event has occurred, step S1
The process moves to step 09, and if no press event has occurred, the process moves to step Silo.

In step S109, transpose data TRS representing the transposition stored in a register as transposition storage means is added to the current key code KC in accordance with the on/off event, and based on the output, the tone generator T
G. to perform key on/off processing. Transposition is applied to the pitch based on the key information.

Further, in step 3108, the current key state is stored in table TA. After converting the key code into the key code KC, the process moves to step Sll1. In step Sill, it is determined whether or not the breath is on. If the breath is not on, the process moves to step 3110, and if the breath is on, the process moves to step S112. Step S112
Now, the tone generator T of the tone generator 30
G. After the key code KC in is changed to data (KC+TRS) in which a TRS value representing transposition is added to the current key code KC, the process moves to step S110.

In step 3110, transpose switch 263
, 264, that is, whether or not there is a transpose change, is detected. If there is a transpose change, the process moves to step S113, and if there is no transpose change, it is detected. The process moves to step S114. In step S113, transpose switch 2
Increase in TRS value by 63, transpose switch 2
TRS obtained by decreasing the TRS value by 64
After the control of the value "±1" is performed, the process moves to step 5114. In this case, the transposition is increased or decreased by semitones in increments of 100 cents per "l".

Then, in step 3114, it is determined whether or not there is a press suction event by detecting the intake pressure of the breath sensor 28. If there is a press suction event, the process moves to step S115, and if there is a press suction event. If there is no such information, the process moves to step S116. Step S
At step 115, the tone color is changed in response to the press event, and after the current tone color number is incremented by r+IJL, the process moves to step 8116. Furthermore, in step S116,
After processing such as tempo change, rhythm selection, tone color selection, etc., the process returns to step S102.

(d) ABC mode processing FIG. 15 shows a flowchart of ABC mode processing.

In the ABC mode, in step S201, data "l" representing the ABC mode is stored in the mode register MD, and R corresponding to the start/stop switch 260 is stored.
Data "0" is stored in the UN register and data "1" is stored in the ABC register.

In step S202, the start/stop switch 2
60 is judged, and if an on event occurs by operating the start/stop switch 260, a transition is made from the ABC mode to the ABC-RUN mode (Fig. 17), and the start/stop switch 260 is turned on. If no on event occurs in step S260, the process moves to step S203.

In step S203, it is determined whether there is an on-event of the ABC switch 265, and if an on-event occurs in the ABC switch 265, a transition is made from the ABC mode to the NML mode (FIG. 14).
If no on event has occurred in step S20
Move to 4.

In step S204, the sequencer selection switch 251
Detecting whether an on event has occurred at ~253,
If an on-event has occurred in any of the sequencer selection switches 251-253, the process moves to step 3205, and if no on-event has occurred in any of the sequencer selection switches 251-253, the process moves to step S.
The process moves to 206.

In step S205, it is detected whether or not the recording switches 254 are pressed simultaneously, and if the recording switches 254 are pressed simultaneously, the SEQ-RE is changed from the ABC mode.
A transition is made to the C-WAIT mode (FIG. 18), and if the recording switch 254 is not pressed simultaneously, a transition is made from the ABC mode to the SEQ-PLAY-WAIT mode (FIG. 20).

In step S206, it is determined whether or not there is a change in the key state due to the key operation, and if there is no change in the key state, the process moves to step S207.

In step S207, it is detected whether or not there is a press event. If a press event has occurred, the process moves to step S209, and if no press event has occurred, the process moves to step S210. Step S
At step 209, the chord data TCHD is stored in the CHD register, and the process moves to step SS2ll. Step S21
In step S1, the transpose data TRS is added to the tone based on the contents of the CHD register in response to the on/off event, causing the tone generator TG to perform key on/off processing, and the process proceeds to step S210.

Further, if the key state has changed in step S206, the process moves to step S208, and step 3208
Then, the current key state is added to the table T A t and converted into chord data TCHD, and the process moves to step S212.

In step S212, it is detected whether or not the press-on is being performed, and if the press-on is being performed, the process moves to step S213,
If the breath is not on, the process moves to step S210.

In step S213, chord data T is stored in the CHD register.
The CHD is stored and the process moves to step S214. In step S214, the key code is changed by adding transpose data TRS to the tone generator TGc in a tone based on the contents of the CHD register, and in step S2
10.

In step S210, it is determined whether or not there is a transpose change. If there is a transpose change, the process moves to step S215, and if there is no transpose change, the process moves to step S3116. Step S
In step 215, control is performed according to the increase or decrease in the TRS value "±l", and then the process moves to step 3216.

In step S216, tempo change, rhythm selection,
After processing such as tone selection is performed, step S202
Return to

(e) NML-RUN mode processing FIG. 16 shows a flowchart of NML-RUN mode processing.

In the NML-RUN mode, in step 3301, NML is set in the mode register MD in the register group 14.
- Data "2" representing the RUN mode is stored, "1" is stored in the RUN register, the tempo clock register CLK is cleared, and data "O" is stored in the ABC register.

In step 3302, start/stop switch 2
The presence or absence of an on event for 60 is determined, and if an on event occurs by operating the start/stop switch 260, the NML/RUN mode is canceled and the NML/RUN mode is released.
If the mode is changed to the ML mode (FIG. 14) and no on event has occurred in the start/stop switch 260, the process moves to step S303.

In step S303, it is determined whether there is an on-event on the ABC switch 265, and if there is an on-event on the ABC switch 265, the NML-RUN mode is canceled and the transition is made to the ABC-RUN mode (Fig. 17). However, if no on event has occurred in the ABC switch 265, the process moves to step S304.

In step S304, the sequencer selection switch 251
It is determined whether or not an on event occurs in any of the sequencer selection switches 251 to 253, and if an on event occurs in any of the sequencer selection switches 251 to 253, the mode is changed from the NML/RUN mode to the SEQ-PLAY-RUN mode (the 21st ), and the sequencer selection switches 251 to 253
If no on event occurs in any of the above, the process moves to step S305. This transition from NML-RUN mode to SEQ/PLAY-RUN mode is the first
This is not particularly shown in the state transition diagram of FIG.

In step S305, it is detected whether or not there is a change in the key state. If the key state has not changed, the process moves to step S306, and if the key state has changed, the process moves to step S307. Transition. Step S
At 307, the current key state is stored in table TA. It is converted into a key code KC at step 53.08.

In step 3308, it is determined whether or not the breath is on, and if the breath is on, the process moves to step 3309.
If the breath is not on, the process moves to step 3306.

In step S309, tone generator TG. The key code KC is changed to data (KC + TRS) obtained by adding the TRS value to the current key code Kc, and the process moves to step S306.

In step S306, it is determined whether or not there is a press event, and if there is a press event, step S3
The process moves to step S310, and if there is no press event, the process moves to step S311.

In step S310, the TRS value is added to the current key code KC in response to the on/off event to change it to (KC+TRS), and the tone generator TG. After the key on/off process is performed, the process moves to step S311.

In step S311, it is determined whether or not there is a transpose change. If there is a transpose change, the process moves to step S312, and if there is no transpose change, the process moves to step S313. Step S
In step S312, transposition control is performed according to the increase or decrease of ±1 in the TRS value, and then the process moves to step S313.

In step S313, it is determined whether or not there is a press suction event by detecting the intake pressure of the breath sensor 28, and if there is a press suction event, step S314
If there is no press suction event, the process moves to step S315. In step S314, the data "1" is stored in the FIL register in order to perform rhythm control, and the process moves to step S315. The fill-in switch is for transitioning from a normal pattern to a fill-in pattern.

In step S315, tempo change, rhythm selection,
After processing such as tone selection is performed, step S302
Return to

Note that the rhythm sounds in this mode are produced using CLK, which will be described later.
- done in IRQ processing.

(f) ABC-RUN mode processing first
FIG. 7 shows a flowchart of ABC-RUN mode processing.

In the ABC-RUN mode, in step 3401, data "3" representing the ABC-RUN mode is stored in the mode register MD, and "1" is stored in the RUN register corresponding to the start/stop switch 260. The tempo clock register CLK is cleared and data "1" is stored in the ABC register by operating the ABC switch 265.

In step S402, start/stop switch 2
It is determined whether there is an on-event for 60, and if an on-event has occurred by operating the start/stop switch 260, a transition is made from the ABC/RtJN mode to the ABC mode (Fig. 15), and the start/stop switch 260 is turned on. If no on event has occurred in step S403, the process moves to step S403.

In step S403, it is determined whether there is an on-event of the ABC switch 265, and if an on-event has occurred in the ABC switch 265, a transition is made from the ABC-RUN mode to the NML-RUN mode (FIG. 16), and If no on event has occurred in the ABC switch 265, the process moves to step S404.

In step S404, the sequencer selection switch 251
It is determined whether or not an on event has occurred in any of the sequencer selection switches 251 to 253, and if an on event has occurred in any of the sequencer selection switches 251 to 253, the mode is changed from ABC-RUN mode to SEQ-PLAY-RUN mode (Fig. 21). ), and the sequencer selection switches 251 to 253
If an on-event has not occurred in any of the steps, the process moves to step $405.

In addition, from this ABC-RUN mode, SEQ/PL
The transition to the AY-RUN mode is also not particularly shown in the state transition diagram of FIG.

In step 3405, it is detected whether or not there is a change in the key state. If the key state has not changed, the process moves to step 3406, and if the key state has changed, the process moves to step 3407. Transition.

In step S407, the current key state is stored in table T A
Convert to chord data TCHD at step 8408
to move to. In step 3408, it is determined whether or not press-on is in progress, and if breath-on is in progress, step S40
The process moves to step S406, and if the breath-on is not in progress, the process moves to step S406.

In step S409, the chord data TCHD obtained in step S407 is stored in the CHD register, and the process proceeds to step S3406.

In step 3406, it is detected whether or not there is a press event, and if there is a press event, step S4
If there is no press event, the process moves to step S411.

In step S410, table TA. The chord data TCHD obtained in step S411 is stored.

In step S411, it is determined whether or not there is a transpose change. If there is a transpose change, the process moves to step 5412, and if there is no transpose change, the process moves to step S413. Step S
At step 412, transpose control is performed according to the increase/decrease of the TRS value, and then the process moves to step 3413.

In step S413, it is determined whether or not there is a press suction event by detecting the intake pressure of the breath sensor 28, and if there is a press suction event, step S414
If there is no press suction event, the process moves to step S415. In step S414, A
In order to perform BC sound fill-in control, the data "1" is stored in the FIL register, and the process moves to step S415.

In step 5415, tempo change, rhythm selection,
After processing such as tone selection is performed, step S402
Return to

Note that the pronunciation of ABC sounds in this mode is also CLK, which will be described later.
- Performed by IRQ processing.

(g) SEQ-REC-WAIT mode processing No. 18
The figure shows a flowchart of SEQ-REC-WAIT mode processing.

In the SEQ-REC-WAIT mode, step S
501, SEQ-REC-W is set in mode register MD.
Data "4" representing the AIT mode is stored, data "-1" is stored in the RUN register, and which of the sequencer selection switches 251 to 253 is selected is stored in the SEQNO register.

In step S502, the start/stop switch 2
60 is judged, and if an on event has occurred in the start/stop switch 260, the process moves to step S503, and if an on event has not occurred in the start/stop switch 260, the process moves to step S504. to move to.

In step S503, depending on the contents of the ABC register,
When the data is rlJ, SEQ・REC-WAI
When there is a transition from T mode to ABC mode (Figure 15) and the data is "0", SEQ/REC-WA
Transition from IT mode to NML mode (Figure 14).

In step S504, the sequencer selection switch 251
Detecting whether an on event has occurred at ~253,
If an on event has occurred in any of the sequencer selection switches 251 to 253, the process moves to step S505, and if an on event has not occurred in any of the sequencer selection switches 251 to 253, the process moves to step S505.
506.

In step S505, the sequencer selection switch 251
SEQ+, SEQ in SEQI selected at ~253
*, the number representing SEQ* is specified and stored in the SEQNO register, and the process moves to step S506.

In step 3506, it is detected whether or not there is a change in the key state. If the key state has changed, the process moves to step S507, and if the key state has not changed, the process moves to step S508. Transition. Step S
In step 507, the current key state is changed to chord data TCHD in table TAt, and the process moves to step 3508.

In step 350B, it is detected whether or not there is a press event. If a press event has occurred, the process moves to step S509, and if no press event has occurred, the process moves to step S510.

In step S509, table TA. The chord data TCHD obtained in step S511 is then stored. In step 5511, SE
SEQi (i=
Transpose data T representing the amount of transposition to 1.2 or 3)
Stores RS, rhythm data RHY, and chord data CHD.

The process moves to step S512. In step S512,
Store a predetermined value CH in the upper 4 bits of the DUR register,
The process moves to step 3513. Top 4 DUR registers
The reason why CH is stored in the bit is to identify the upper 4 bits of the chord data CHD as root note data from 00 to BH.

In step S513, data "3" is placed in the pointer PNT.
After storing data “0” in the BT register,
SEQ-REC from SEQ-REC-WAIT mode
- Transition to RUN mode (Figure 19).

Therefore, in SEQ/REC-RLIN mode, SEQ
Storage starts from addresses after i (3).

Further, in step S510, it is detected whether or not there is a transpose change. If there is a transpose change, the process moves to step S514, and if there is no transpose change, the process moves to step S515. In step S'514, transpose control is performed according to the increase/decrease in the TRS value, and then the process moves to step S515.

Then, in step S515, processes such as tempo change, rhythm selection, tone color selection, etc. are performed, and then the process returns to step S502.

(h) SEQ-REC-RUN mode processing FIG. 19 shows a flowchart of SEQ-REC-RUN mode processing.

In the SEQ-REC-RUN mode, step S6
In 01, SEQ・REC − is set in mode register MD.
Data "5" representing the RUN mode is stored, data "1" is stored in the RUN register, and the tempo clock register CLK is cleared.

In step S602, the start/stop switch 2
60 is detected, and if an on event occurs due to the operation of the start/stop switch 260, the process moves to step 3603, and if no on event occurs at the start/stop switch 260, the process moves to step 3603. Then, the process moves to step S604.

In step 5603, (CH+BT) is stored in the sequencer SEQi (PNT) specified by the pointer PNT, and the process moves to step S605.

In step S605, sequence end data FF is stored in SEQi (PNT+1), and in step S60
Move to 6. In step 8606, according to the contents of the ABC register, if the data is "1", S
From EQ-REC-RUN mode to ABC mode (
(Fig. 15), and if the data is not “l”, the SEQ-REC-RUN mode is changed to NM
Transition to L mode (Fig. 14).

In step S604, it is detected whether or not there is a change in the key state, and if there is a change in the key state, the step S604
The process moves to step 607, and if there is no change in the key state, the process moves to step 3608.

In step 3607, the current key state is stored in table T A
After converting into chord data TCHD in step S60
Move to 9.

In step S609, it is detected whether or not the breath is on. If the breath is on, the process moves to step S610. If the breath is not on, the process moves to step S610.
Move to 8.

In step 3608, it is detected whether or not there is a press event. If a press event has occurred, the process moves to step S610, and if no press event has occurred, the process moves to step S611. Step S
In step S610, the chord data TCHD obtained in table TA2 is stored in the CHD register, and in step S61
Move to 2.

In step S611, tempo change, rhythm selection,
After other processing such as tone color selection is performed, the process returns to step 3602.

In step S612, it is detected whether the BT register is "O", and if it is "0", step S61
3, and if it is not “0”, step 36
14.

In step S613, the S
The data of the CHD register is stored in EQi (PNT-1) and the process moves to step 3611. Step S61
The process No. 3 is for invalidating the key operation before the change, when the user immediately realizes that he or she made a mistake in the key operation and changes the key operation.

Then, in step S614, the BT register and DUR
A one-loss relationship with the register is detected, and if both have one loss, the process moves to step S615, and if the two do not match, the process moves to step S8616.

In this embodiment, when the DLJR register and the BT register are equal, that is, when the previously stored time interval data and the current time interval data are equal, the time interval data, that is, the value of the DUR register, is not stored in the sequencer.

In step S616, the data of the BT register is stored in the lower 4 bits of the DUR register, and then in step S6
In step S617, the data of the DUR register is stored in SEQi (PNT) specified by the pointer PNT, and the process moves to step S3618. In step 3618, the data of pointer PNT is incremented, and the process moves to step S615.

In step S615, the data of the CHD register is stored in SEQ, (PNT), and the process moves to step S619. In step S619, the data of the pointer PNT is incremented, the process moves to step S620, the BT register is set to "0", and the process moves to step S611.

Note that the pronunciation of ABC sounds in this mode is also CLK, which will be described later.
- Performed in IRQ processing.

ri) SEQ-PLAY-WAIT mode processing second
FIG. 0 shows a flowchart of SEQ-PLAY-WAIT mode processing.

In the SEQ/PLAY-WAIT mode, in step S701, data "6" representing the SEQ-PLAY-WAIT mode is stored in the mode register MD in the register group 14, and data "-l" is stored in the RtJN register. , sequencer selection switch 251-2
SEQ+, SEQ! in SEQI according to the operation of 53.
, SEQa and clearing register SEQPNT and tempo clock register CLK, step S
The process moves to step 702.

In step S702, start/stop switch 2
60 is judged, and if an on event has occurred in the start/stop switch 260, the process moves to step S703, and if no on event has occurred in the start/stop switch 260, the process moves to step S704. to move to.

In step S703, depending on the contents of the ABC register,
If the data is "l", SEQ-PLAY
-A transition is made from the WAIT mode to an ABC mode (FIG. 15), and if an on event has not occurred in the ABC switch 265, a transition is made from the SEQ-PLAY-WAIT mode to an NML mode (FIG. 14).

In step 3704, the sequencer selection switch 251
Detecting whether an on event has occurred at ~253,
If an on-event has occurred in any of the sequencer selection switches 251 to 253, the process moves to step S705, and if no on-event has occurred in any of the sequencer selection switches 251 to 253, the process moves to step S705.
The process moves to step 706.

In step S705, data "1" is added to the data of pointer SEQPNT, and the process moves to step S707.

In step 3707, the number of the event SEQ is stored in the area specified by the pointer PNT of SEQn,
The process moves to step 3706. As will be described later, the tempo clock register CLK is counted up every time CLK-IRQ processing is performed, and when CLK=98, it is cleared and automatically transitions to the SEQ-PLAY-RutN mode. The processing in steps S704 to S707 corresponds to an operation for setting the playback order during that time.

In step S706, it is detected whether or not there is a change in the key state. If the key state has changed, the process moves to step S708, and if the key state has not changed, the process moves to step S709. Transition.

In step S708, the current key state is converted into a key code KC in table TAl, and the process moves to step S710. In step S710, it is detected whether or not the press-on is being performed. If the press-on is being performed, step S710 is performed.
The process moves to step S711, and if the breath is not on, the process moves to step S709.

In step S711, the tone generator T G s
The key code KC of is changed by adding the transpose data TRS (KC+TRS), and the process moves to step S709.

In step S709, it is detected whether or not there is a press event. If a press event has occurred, the process moves to step S712, and if no press event has occurred, the process moves to step S713.

In step S712, data (KC
+TRS) tone generator TG. The key-on and key-off processing is performed, and the process moves to step S713.

In step S713, it is detected whether or not there is a change in transpose by the transpose changeover switches 263 and 264. If there is a change in transpose, the process moves to step S714, and if there is no change in transpose, the process moves to step S714. Proceed to S715. Step S
At step 714, transpose control is performed according to the TRS value, and then the process moves to step 3715.

In step S715, tempo change, rhythm selection,
After other processing such as tone color selection is performed, the process returns to step S702.

(j) SEQ-PLAY-RUN mode processing 21st
The figure shows a flowchart of the SEQ-PLAY-RUN mode.

In the SEQ-PLAY-RtJN mode, the chip 5801 stores SEQ-PLAY in the mode register MD.
- Stores data “7” representing the RUN mode, and also stores the RUN mode corresponding to the start/stop switch 260.
Data "l" is stored in the register, tempo clock register CLK and register SEQPNT are cleared, and the process moves to step S802.

In step S802, the sequencer subroutine shown in FIG.
Q. , or after setting the initial data of SEQa, the process moves to step S803.

In step S803, start/stop switch 2
It is determined whether or not there is an on event of 60, and if an on event has occurred due to the operation of the start/stop switch 260, the process moves to step S804, and the start/stop switch 260 is turned on.
If no on event has occurred in stop switch 260, the process moves to step 3805.

In step S804, according to the contents of the ABC register, if the data is "1", the SEQ-PLA
There is a transition from the Y-RUN mode to the ABC mode (FIG. 15), and if no on event has occurred in the ABC switch 265, there is a transition from the SEQ-PLAY-RUN mode to the NML mode (FIG. 14). Further, in step S805, it is detected whether or not an on event is occurring in the sequencer selection switches 251 to 253. If an on event is occurring, step S805 is performed.
The process moves to step 806, and if no on event has occurred, the process moves to step 3807. Step 3806
Now, to change the playback order, register NXTSE
The data generated by the operation of the current event switch is stored in Q, and the process moves to step 3808. step 380
At step B, data "1" is stored in the change request register CHGREQ in order to perform interrupt processing, and the process moves to step S807.

In step S807, it is detected whether or not there is a change in the key state, and if there is a change in the key state, step S8
The process moves to step S810, and if there is no change in the key state, the process moves to step S810. In step S809, the current key state is stored in table TA. After converting to the key code KC in step S811. In step 3811, it is detected whether or not the breath is on. If the breath is on, the process moves to step S812, and if the breath is not on, the process moves to step S810.

In step S812, tone generator TG. Added the key code KC and transpose data TRS (
KC+TRS), and the process moves to step S810.

In step S810, it is detected whether or not there is a press event. If a press event has occurred, the process moves to step S813, and if no press event has occurred, the process moves to step S814.

In step 5813, in response to the on/off event, the tone generator TGH is generated by adding the transpose data TRS to the current key code KC (KC+TRS).
key-on and key-off processing is performed, and step S814
to move to.

In step S814, it is detected whether or not there is a transpose change. If there is a transpose change, the process moves to step S815, and if there is no transpose change, the process moves to step S816. Step S
815, the transpose changeover switch 263, 2
After transposition control is performed according to the increase/decrease in the TRS value by the operation in step 64, the process moves to step 3816.

In step S816, tempo change, rhythm selection,
After other processing such as tone color selection is performed, the process returns to step S803.

Note that the pronunciation of ABC sounds in this mode is also CLK, which will be described later.
- Performed in IRQ processing.

(k) CLK/IRQ processing Figure 22 shows a flowchart of CLK-IRQ processing. In step S901, it is detected whether the data in the mode register MD in the register group 14 is "0", "1", or "4", and the data in the mode register MD is "0", "1", or "4".
If the value is 0, 1, or 4, the process moves to return, and the mode register MD data is 0, 1, or 4.
Or if it is neither "4", the process moves to step S902. In step 3902, the mode register MD
It is detected whether the data in the mode register MD is "6", and if the data in the mode register MD is not "6" (MD≠6), the process moves to step S903, and the RHY register, FIL register, and tempo clock register CLK are After the tone generator TGR performs rhythm sound generation processing based on each value, the process proceeds to step S904.

Further, if the data in the mode register MD is "6" in step S902 (MD=6), step S905
, and set the value of the tempo clock register CLK to "12".
", it is detected whether the remainder is "0" or not. If it is "0", the process moves to step S906, and if it is not "0", the process moves to step S904.

In step 3906, tone generator TG. A tact sound is generated at step S904.

In step 3904, it is detected whether the data stored in the mode register MD is "3", "5", or "7". If so, the process moves to step S907. Step S9
0 ma, it is detected whether the stored data is "7" or not, and if the stored data in the mode register MD is "7", the process moves to step 8908;
7'', the process moves to step S909.

In step S908, root tone control is performed by adding the sequencer SEQ (0) to the ROOT information in the CHD register, and an ABC pattern is called based on the data in the RHY register and tempo clock register CLK, and the tone generator TGc is used to control the root tone. Pronunciation processing is performed,
The process moves to step S910. Through this process, the amount of transposition of the ABC tones produced based on the sequencer is set to the same value as when stored.

Further, in step 5909, ROO of the CHD register is
Root tone control is performed by adding the TRS value to the T information, and the RHY register and tempo clock register CLK
An ABC pattern is called based on the data, and the tone generator TG performs sound generation processing, and in step S91
Shifts to 0. Through this process, the current transposition amount is set for the ABC tones produced based on key operations.

In this case, even if the data stored in the mode register MD is neither "3", "5", or "ma" in step S904, the process moves to step S910. Then, in step S910, "1" is added to the tempo clock register CLK, and the process moves to step S911. In step S911, the tempo clock register CL
It is detected whether the KO value has shifted to "98", and if the clock number has reached "98", step S912
In step S912, the tempo clock register CLK and the FIL register are set to "0", and then the process moves to step S913. Also, step S91
1 and the tempo clock register CLKO value is less than "98", the process moves to step S913. In step S913, it is determined whether the data in the mode register MD is "5", and when the content of the tempo clock register CLK is divided by "12",
It is determined whether the remainder is "6" or not.

In step S913, if the data in the mode register MD is "5" and the tempo clock register CLKO is
If the remainder after dividing the value by "l2" is "6", the process moves to step S914, "1" is added to the BT register,
Move to return processing.

Further, in step S913, the mode register MD
Is the stored data "5" or is the value of the tempo clock register CLK divided by "l2"? If the data in the mode register MD is not "6", the process moves to step S915, and in step S915, it is determined whether or not the data in the mode register MD is "6", and the data in the tempo clock register CLK is determined.
It is determined whether the data of is r■. Step S91
5, the data stored in the mode register MD is "6"
Therefore, the data of the tempo clock register CLK is "
0”, the SEQ-P is processed from CLK-IRQ processing.
A transition is made to LAY-RUN mode processing (FIG. 21).

Further, in step S915, the mode register MD
If the stored data is not "6" or the data in the tempo clock register CLK is not "0", step S9
16. In step 3916, it is determined whether the data in the mode register MD is "7" and the data in the tempo clock register CLK is rQJ.
Or it is determined whether or not it is "48". Step S9
16, the data stored in the mode register MD is "7".
”, and if the data in the tempo clock register CLK is “0” or “48”, the process moves to step S917, and if the data stored in the mode register MD is not “7” or the data in the tempo clock register CLK is Data is "0"
Or if it is not "48", the process moves to step S920.

In step S917, change request register C
It is determined whether the HCREQ data is “l”,
rl, then the process moves to step S918, and “1
”, the process moves to step S920.

In step 391B, the contents of register NXTSEQ are stored in the SEQNO register, and the process moves to step S919. This process corresponds to the above-described order change process during playback.

In step S919, SEQ-ST mode processing (second
4) is performed, and the process moves to step S920.

In step S920, it is detected whether the data stored in the mode register MD is "7", and if the tempo clock register CLKO value is divided by "12",
It is determined whether the remainder is "0" or not, and the data stored in the mode register MD is "7", and the remainder is "0".
0'', the process moves to step S921, and the data stored in the mode register MD is not ``7'' or the remainder is ``7''.
If the result is not “O”, the process moves to return. Further, in step S921, SEQ-READ mode processing (23rd
(Fig.) is carried out, leading to a return.

(e) SEQ-READ mode processing FIG. 23 shows a flowchart of SEQ-READ mode processing.

In SEQ-READ mode, step Stool
Then, the data in the BT register is decremented and the process moves to step 31002.

In step 31002, the data in the BT register is
”, and if BT=O, the process moves to return processing, and if BT=0, the process moves to step S1003.

In step 31003, the pointer PN is stored in the DT register.
SEQ, , SEQ. or SEQ. data is stored, and the process moves to step Sl'004. In step S1004, it is detected whether the data stored in the DT register is data FFH representing the final value of each SEQ, , SEQ2 or SEQ3, and DT=FF. If so, the process moves to step S1005. Step S
In 1005, it is detected whether SEQI[ has ended or not.
If the process has not ended, the process moves to step S1006, and if it has ended, the process moves to step S31007. In step 31006, data "1" is added to the current data of pointer SEQPNT, and in step 51008, data "1" is added to the current data of pointer SEQPNT.
Mode processing (FIG. 24) is performed and the process returns. Further, in step S1007, data "0" is stored in the pointer SEQPNT, and the process moves to step S1009.

In step S1009, the tone generator TG
After performing all key-off processing for the accompaniment at step c, the process moves to step S1010. Step 31010
Then, it is determined whether the data in the ABC register is "1" or not, and if the data is "1", the SEQ-RE
Transition from AD mode to ABC mode processing, ABC=r
If not, NML from SEQ-READ mode.
Transition to mode processing.

Further, in step 31004, the data in the DT register is changed to data FF. If not, step S10
The process moves to step S1021, the data of the DT register is transferred to the CHD register, and the process moves to step S1022. Step 51
In 022, data rlJ is added to the current data of pointer PNT.
is added, and the process moves to step S1023. Step $1
In step S1023, the data of the sequencer SEQi (PNT) specified by the pointer PNT is stored in the DT register, and the process moves to step S1024.

In step S1024, it is determined whether the upper 4 bits of the data stored in the DT register are data CH, and if the upper 4 bits are data CI1,
Since this is data representing a time interval, step S10
25. In step 31025, the data of the lower 4 bits in the DT register is stored in the DUR register, and the process moves to step 7'S1026. In this case, in step S1024, the top four data stored in the DT register are
The bit is data C. If not, the data represents a chord, and the process directly proceeds to step S1026.

In step 31026, the contents of the DUR register are stored in the BT register, and the process moves to return.

(n) SEQ-”>T mode processing FIG. 24 shows a flowchart of SEQ-ST mode processing.

In step 31101, the SEQ specified by the pointer is
II (SEQPNT) is stored in the SEQNO register, and the process moves to step 51102. Step S1102
Then, data "3" is stored in the pointer PNT, the process moves to step S1103, and in step S1103, the DU
The lower 4 bits of SEQi (PNT) are stored in the R register, and the process moves to step Sl104. Step 31
In step 104, the lower 4 bits of the DUR register are stored in the BT register, and the process moves to step 31105. In step S1105, the contents of SEQi (2) are
register and then in step 31106 the RH
After storing the data of SEQi (1) in the Y register, the pointer PNT is incremented in step S1007 and the process returns.

〔Effect of the invention〕

As explained above, according to the present invention, musical tones are controlled using the expiratory pressure or inspiratory pressure of the operating element and the patient pressure detection means, so the degree of freedom of performance input is increased, and complicated fingerings can be easily performed. In addition to being able to perform music, it is also possible to easily perform musical instruments other than wind instruments using, for example, an electronic musical instrument that imitates a wind instrument.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing a functional circuit in an embodiment of an electronic musical instrument according to the present invention. FIG. Figure 3 is a diagram showing the arrangement of the table in the functional circuit section shown in Figure 1, Figure 4 is a diagram showing the arrangement of chords, Figure 5 is a diagram showing the key code for key manual power on the table, Fig. 6 is a diagram showing the configuration of the sequencer memory of the functional circuit section shown in Fig. 1, Fig. 7 is a diagram showing the operation of the sequencer shown in Fig. 6, and Fig. 8 is a diagram showing duration data. , Figure 9 is the second
Figure 10 is a cross-sectional view showing an example of the configuration of the breath sensor in the mouthpiece of the instrument body shown in Figure 2, Figure 11 is the 10th FIG. 12 is a state transition diagram showing the operation modes of the electronic musical instrument of the present invention; FIG. 13 is a flowchart showing initial setting mode processing; FIG. 14 is a NML FIG. 15 is a flowchart showing ABC mode processing; FIG. 16 is a flowchart showing NML-RUN mode processing; FIG. 17 is a flowchart showing ABC-RUN mode processing; FIG. 18 is SEQ-REC・Flowchart showing WAIT mode processing; FIG. 19 is a flowchart showing SEQ-REC-RUN mode processing; FIG. 20 is a flowchart showing SEQ-PLAY-WAIT mode processing; FIG. 21 is a flowchart showing SEQ-PLAY-RUN mode processing. 22 is a flowchart showing CLK/IRQ processing, FIG. 23 is a flowchart showing SEQ-READ mode processing, and FIG. 24 is a flowchart showing SEQ-ST mode processing. 2... Functional circuit unit lO... CPU (musical sound generation control means) 28... Breath sensor (affected pressure detection means) 401, 402, 403,
404, 405, 406, 407, 408, 409...
・Key (operator) (A) CB) (C) No. 3 Housing No. 4 Fig. 5 Fig. 10 (An example of a breath sensor) (Suck) (Blow) -d (displacement) Fig. 11 Press Press Press Figure 12 (Operation mode state transition diagram) (Sequencer start mode processing) Procedure amendment

Claims (1)

[Scope of Claims] An operator for specifying a pitch; a breath pressure detection means for detecting exhalation pressure and an inhalation pressure; An electronic musical instrument comprising: a musical sound generation control means for controlling the generation of musical tones according to atmospheric pressure or the intake pressure.