JPS52136535A - Microprogram control system - Google Patents

Microprogram control system

Info

Publication number
JPS52136535A
JPS52136535A JP5464876A JP5464876A JPS52136535A JP S52136535 A JPS52136535 A JP S52136535A JP 5464876 A JP5464876 A JP 5464876A JP 5464876 A JP5464876 A JP 5464876A JP S52136535 A JPS52136535 A JP S52136535A
Authority
JP
Japan
Prior art keywords
rom
control system
microprogram control
extension
instruction
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.)
Granted
Application number
JP5464876A
Other languages
Japanese (ja)
Other versions
JPS6020769B2 (en
Inventor
Hitoshi Takase
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP5464876A priority Critical patent/JPS6020769B2/en
Publication of JPS52136535A publication Critical patent/JPS52136535A/en
Publication of JPS6020769B2 publication Critical patent/JPS6020769B2/en
Expired legal-status Critical Current

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Abstract

PURPOSE: To obtain a control circuit, with which the system never deteriorate even in case the instruction of extension ROM is read with no extension of ROM as well as no replacement of ROM of ordinary equipment is required even if ROM is increased.
COPYRIGHT: (C)1977,JPO&Japio
JP5464876A 1976-05-11 1976-05-11 Microprogram control method Expired JPS6020769B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5464876A JPS6020769B2 (en) 1976-05-11 1976-05-11 Microprogram control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5464876A JPS6020769B2 (en) 1976-05-11 1976-05-11 Microprogram control method

Publications (2)

Publication Number Publication Date
JPS52136535A true JPS52136535A (en) 1977-11-15
JPS6020769B2 JPS6020769B2 (en) 1985-05-23

Family

ID=12976590

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5464876A Expired JPS6020769B2 (en) 1976-05-11 1976-05-11 Microprogram control method

Country Status (1)

Country Link
JP (1) JPS6020769B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55103653A (en) * 1979-01-31 1980-08-08 Nec Corp Data processing unit
JPS56109151U (en) * 1980-01-21 1981-08-24
JPS581245A (en) * 1981-06-26 1983-01-06 Fujitsu Ltd Branch address producing method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55103653A (en) * 1979-01-31 1980-08-08 Nec Corp Data processing unit
JPS56109151U (en) * 1980-01-21 1981-08-24
JPS581245A (en) * 1981-06-26 1983-01-06 Fujitsu Ltd Branch address producing method
JPH0323938B2 (en) * 1981-06-26 1991-04-02 Fujitsu Ltd

Also Published As

Publication number Publication date
JPS6020769B2 (en) 1985-05-23

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