JPS5468133A - Address self restoration unit of computer system - Google Patents

Address self restoration unit of computer system

Info

Publication number
JPS5468133A
JPS5468133A JP13462277A JP13462277A JPS5468133A JP S5468133 A JPS5468133 A JP S5468133A JP 13462277 A JP13462277 A JP 13462277A JP 13462277 A JP13462277 A JP 13462277A JP S5468133 A JPS5468133 A JP S5468133A
Authority
JP
Japan
Prior art keywords
address
instruction execution
execution address
microprogram
computer system
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
JP13462277A
Other languages
Japanese (ja)
Inventor
Hiroshi Nitta
Susumu Koide
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 JP13462277A priority Critical patent/JPS5468133A/en
Publication of JPS5468133A publication Critical patent/JPS5468133A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To keep the continuity of processing, by limiting the instruction execution address with the set of switching, and performing self restoration to the failure of tentative address through the automatic set in correct region.
CONSTITUTION: In the computer system controlling with the microprogram, the microprogram memory 2, operation processing circuit 4, instruction execution address calculation microprogram pick up circuit 5 and instruction execution address limit circuit 8 are provided. Further, the program performing the instruction and execution address with a given microprogram is picked up, and the agreement signal 6 picked up and the signal 7 of the result of calculation of the instruction execution address are fed to the limit circuit 8, the instruction execution address is limited to the elective program area, and self restoration is made to the failure of tentative program address.
COPYRIGHT: (C)1979,JPO&Japio
JP13462277A 1977-11-11 1977-11-11 Address self restoration unit of computer system Pending JPS5468133A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13462277A JPS5468133A (en) 1977-11-11 1977-11-11 Address self restoration unit of computer system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13462277A JPS5468133A (en) 1977-11-11 1977-11-11 Address self restoration unit of computer system

Publications (1)

Publication Number Publication Date
JPS5468133A true JPS5468133A (en) 1979-06-01

Family

ID=15132675

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13462277A Pending JPS5468133A (en) 1977-11-11 1977-11-11 Address self restoration unit of computer system

Country Status (1)

Country Link
JP (1) JPS5468133A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS581245A (en) * 1981-06-26 1983-01-06 Fujitsu Ltd Branch address producing method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS581245A (en) * 1981-06-26 1983-01-06 Fujitsu Ltd Branch address producing method
JPH0323938B2 (en) * 1981-06-26 1991-04-02 Fujitsu Ltd

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