JPS5476031A - Input/output control system for electronic computer - Google Patents

Input/output control system for electronic computer

Info

Publication number
JPS5476031A
JPS5476031A JP14373377A JP14373377A JPS5476031A JP S5476031 A JPS5476031 A JP S5476031A JP 14373377 A JP14373377 A JP 14373377A JP 14373377 A JP14373377 A JP 14373377A JP S5476031 A JPS5476031 A JP S5476031A
Authority
JP
Japan
Prior art keywords
control information
unit
input
program
processor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP14373377A
Other languages
Japanese (ja)
Inventor
Takehiko Iwata
Kazuya Hori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP14373377A priority Critical patent/JPS5476031A/en
Publication of JPS5476031A publication Critical patent/JPS5476031A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To increase the process efficiency for the processor as well as to enhance the throughput for the system by transferring the control information necessary for the input/output action directly to the input/output control unit from the memory via DMA interface.
CONSTITUTION: Control information WA, MD, SA and WC are stored in control information area 13 within main memory 1 and can be transmitted to input/output control unit 3 through DMA interface IF103 and via no processor 2. In case a certain action is secured through magnetic disc unit 4, the program first arrays control information WAWWC at program area 13 and then the head address MA of area 13 is transmitted to unit 3 through the program control of program area 11 to be set to register 33. Then unit 3 draws control information WAWWC which are in the addresses after MA within memory 1 into control information register 31 through IF103, and then unit 4 is controlled in the same way. In this case, the time during which processor 2 and IF102 are occupied is reduced down to 1/4 the conventional time.
COPYRIGHT: (C)1979,JPO&Japio
JP14373377A 1977-11-30 1977-11-30 Input/output control system for electronic computer Pending JPS5476031A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14373377A JPS5476031A (en) 1977-11-30 1977-11-30 Input/output control system for electronic computer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14373377A JPS5476031A (en) 1977-11-30 1977-11-30 Input/output control system for electronic computer

Publications (1)

Publication Number Publication Date
JPS5476031A true JPS5476031A (en) 1979-06-18

Family

ID=15345735

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14373377A Pending JPS5476031A (en) 1977-11-30 1977-11-30 Input/output control system for electronic computer

Country Status (1)

Country Link
JP (1) JPS5476031A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60122452A (en) * 1983-12-05 1985-06-29 Fujitsu Ltd Control device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5455132A (en) * 1977-10-12 1979-05-02 Toshiba Corp Input-output control system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5455132A (en) * 1977-10-12 1979-05-02 Toshiba Corp Input-output control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60122452A (en) * 1983-12-05 1985-06-29 Fujitsu Ltd Control device

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