JPS5439542A - Microprogram control system - Google Patents

Microprogram control system

Info

Publication number
JPS5439542A
JPS5439542A JP10583477A JP10583477A JPS5439542A JP S5439542 A JPS5439542 A JP S5439542A JP 10583477 A JP10583477 A JP 10583477A JP 10583477 A JP10583477 A JP 10583477A JP S5439542 A JPS5439542 A JP S5439542A
Authority
JP
Japan
Prior art keywords
control system
microprogram control
microinstruction
provision
decreasing
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
JP10583477A
Other languages
Japanese (ja)
Inventor
Yoshiharu Iwamoto
Kazuo Furukawa
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 JP10583477A priority Critical patent/JPS5439542A/en
Publication of JPS5439542A publication Critical patent/JPS5439542A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To realize the reduction in the amount of control memory, by decreasing the changes in the microinstruction effective bit length with the microinstruction type, through the provision of registers storing the jumped address newly.
COPYRIGHT: (C)1979,JPO&Japio
JP10583477A 1977-09-05 1977-09-05 Microprogram control system Pending JPS5439542A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10583477A JPS5439542A (en) 1977-09-05 1977-09-05 Microprogram control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10583477A JPS5439542A (en) 1977-09-05 1977-09-05 Microprogram control system

Publications (1)

Publication Number Publication Date
JPS5439542A true JPS5439542A (en) 1979-03-27

Family

ID=14418061

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10583477A Pending JPS5439542A (en) 1977-09-05 1977-09-05 Microprogram control system

Country Status (1)

Country Link
JP (1) JPS5439542A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS562044A (en) * 1979-06-19 1981-01-10 Nec Corp Microprogram controller
JPS56147256A (en) * 1980-04-15 1981-11-16 Casio Comput Co Ltd Program branch system for mini electronic computer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS562044A (en) * 1979-06-19 1981-01-10 Nec Corp Microprogram controller
JPS56147256A (en) * 1980-04-15 1981-11-16 Casio Comput Co Ltd Program branch system for mini electronic computer
JPS6338732B2 (en) * 1980-04-15 1988-08-02 Casio Computer Co Ltd

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