JPS51121230A - A control memory system - Google Patents

A control memory system

Info

Publication number
JPS51121230A
JPS51121230A JP4691075A JP4691075A JPS51121230A JP S51121230 A JPS51121230 A JP S51121230A JP 4691075 A JP4691075 A JP 4691075A JP 4691075 A JP4691075 A JP 4691075A JP S51121230 A JPS51121230 A JP S51121230A
Authority
JP
Japan
Prior art keywords
memory system
control memory
control
restore
alter
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
JP4691075A
Other languages
Japanese (ja)
Other versions
JPS6015968B2 (en
Inventor
Akihiko Ishikawa
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 JP50046910A priority Critical patent/JPS6015968B2/en
Publication of JPS51121230A publication Critical patent/JPS51121230A/en
Publication of JPS6015968B2 publication Critical patent/JPS6015968B2/en
Expired legal-status Critical Current

Links

Landscapes

  • For Increasing The Reliability Of Semiconductor Memories (AREA)
  • Read Only Memory (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Debugging And Monitoring (AREA)

Abstract

PURPOSE: To alter the content of any address of the control-memory and restore it if necessary.
COPYRIGHT: (C)1976,JPO&Japio
JP50046910A 1975-04-17 1975-04-17 control storage Expired JPS6015968B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50046910A JPS6015968B2 (en) 1975-04-17 1975-04-17 control storage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50046910A JPS6015968B2 (en) 1975-04-17 1975-04-17 control storage

Publications (2)

Publication Number Publication Date
JPS51121230A true JPS51121230A (en) 1976-10-23
JPS6015968B2 JPS6015968B2 (en) 1985-04-23

Family

ID=12760499

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50046910A Expired JPS6015968B2 (en) 1975-04-17 1975-04-17 control storage

Country Status (1)

Country Link
JP (1) JPS6015968B2 (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5569852A (en) * 1978-11-21 1980-05-26 Nec Corp Microprogram controller
JPS5696333A (en) * 1979-12-28 1981-08-04 Fujitsu Ltd Program correction system
JPS5843038A (en) * 1981-09-07 1983-03-12 Nec Corp Control storage device
JPS58213346A (en) * 1982-06-04 1983-12-12 Fuji Xerox Co Ltd Program replacing circuit
JPS58214945A (en) * 1982-06-07 1983-12-14 Mitsubishi Electric Corp Program changing device
JPS59225423A (en) * 1983-06-03 1984-12-18 Alps Electric Co Ltd Cpu bus control circuit
JPS60136836A (en) * 1983-12-24 1985-07-20 Fujitsu Ltd Patch post-processing method of program
JPH02133851A (en) * 1988-11-15 1990-05-23 Nec Corp Communication controller
JPH0581014A (en) * 1990-08-02 1993-04-02 Internatl Business Mach Corp <Ibm> Programmable array for on-chip control store for correcting microcode
JPH05334071A (en) * 1992-05-28 1993-12-17 Matsushita Electric Ind Co Ltd One-chip microcomputer
JPH06131171A (en) * 1990-05-24 1994-05-13 Schlumberger Ind Ltd Mask programmable microprocessor

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6354861U (en) * 1986-09-30 1988-04-13
JPH021463U (en) * 1988-06-15 1990-01-08
JPH0252959U (en) * 1988-10-06 1990-04-17

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5144846U (en) * 1974-09-30 1976-04-02

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5144846B2 (en) * 1971-12-25 1976-12-01

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5144846U (en) * 1974-09-30 1976-04-02

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5569852A (en) * 1978-11-21 1980-05-26 Nec Corp Microprogram controller
JPS5696333A (en) * 1979-12-28 1981-08-04 Fujitsu Ltd Program correction system
JPS5843038A (en) * 1981-09-07 1983-03-12 Nec Corp Control storage device
JPS6227414B2 (en) * 1981-09-07 1987-06-15 Nippon Electric Co
JPS58213346A (en) * 1982-06-04 1983-12-12 Fuji Xerox Co Ltd Program replacing circuit
JPS58214945A (en) * 1982-06-07 1983-12-14 Mitsubishi Electric Corp Program changing device
JPS59225423A (en) * 1983-06-03 1984-12-18 Alps Electric Co Ltd Cpu bus control circuit
JPS60136836A (en) * 1983-12-24 1985-07-20 Fujitsu Ltd Patch post-processing method of program
JPH02133851A (en) * 1988-11-15 1990-05-23 Nec Corp Communication controller
JPH06131171A (en) * 1990-05-24 1994-05-13 Schlumberger Ind Ltd Mask programmable microprocessor
JPH0581014A (en) * 1990-08-02 1993-04-02 Internatl Business Mach Corp <Ibm> Programmable array for on-chip control store for correcting microcode
JPH05334071A (en) * 1992-05-28 1993-12-17 Matsushita Electric Ind Co Ltd One-chip microcomputer

Also Published As

Publication number Publication date
JPS6015968B2 (en) 1985-04-23

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