JPS5424547A - Control system for memory extension - Google Patents

Control system for memory extension

Info

Publication number
JPS5424547A
JPS5424547A JP8883977A JP8883977A JPS5424547A JP S5424547 A JPS5424547 A JP S5424547A JP 8883977 A JP8883977 A JP 8883977A JP 8883977 A JP8883977 A JP 8883977A JP S5424547 A JPS5424547 A JP S5424547A
Authority
JP
Japan
Prior art keywords
control system
memory extension
memory
extension
chip
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
JP8883977A
Other languages
Japanese (ja)
Other versions
JPS6032219B2 (en
Inventor
Susumu Enokido
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP8883977A priority Critical patent/JPS6032219B2/en
Publication of JPS5424547A publication Critical patent/JPS5424547A/en
Publication of JPS6032219B2 publication Critical patent/JPS6032219B2/en
Expired legal-status Critical Current

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Abstract

PURPOSE: To perform extension control for the memory in the same word while keeping the number of bits of the registers of the program counter as they are, by indicating the basic chip or the extension chip for the memory.
COPYRIGHT: (C)1979,JPO&Japio
JP8883977A 1977-07-26 1977-07-26 Memory expansion control method Expired JPS6032219B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8883977A JPS6032219B2 (en) 1977-07-26 1977-07-26 Memory expansion control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8883977A JPS6032219B2 (en) 1977-07-26 1977-07-26 Memory expansion control method

Publications (2)

Publication Number Publication Date
JPS5424547A true JPS5424547A (en) 1979-02-23
JPS6032219B2 JPS6032219B2 (en) 1985-07-26

Family

ID=13954115

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8883977A Expired JPS6032219B2 (en) 1977-07-26 1977-07-26 Memory expansion control method

Country Status (1)

Country Link
JP (1) JPS6032219B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5652455A (en) * 1979-10-05 1981-05-11 Canon Inc Memory system
JPS5870358A (en) * 1981-10-21 1983-04-26 Sharp Corp Integrated circuit device
JPS6017547A (en) * 1983-07-08 1985-01-29 Nec Corp Action history memory device
JPH01175033A (en) * 1987-09-17 1989-07-11 Matsushita Electric Ind Co Ltd Register controller

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62143615U (en) * 1986-02-28 1987-09-10
JPH0345821U (en) * 1989-05-16 1991-04-26

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5652455A (en) * 1979-10-05 1981-05-11 Canon Inc Memory system
JPS5870358A (en) * 1981-10-21 1983-04-26 Sharp Corp Integrated circuit device
JPS6017547A (en) * 1983-07-08 1985-01-29 Nec Corp Action history memory device
JPH01175033A (en) * 1987-09-17 1989-07-11 Matsushita Electric Ind Co Ltd Register controller

Also Published As

Publication number Publication date
JPS6032219B2 (en) 1985-07-26

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