JPS57117048A - Information processing device - Google Patents

Information processing device

Info

Publication number
JPS57117048A
JPS57117048A JP56004311A JP431181A JPS57117048A JP S57117048 A JPS57117048 A JP S57117048A JP 56004311 A JP56004311 A JP 56004311A JP 431181 A JP431181 A JP 431181A JP S57117048 A JPS57117048 A JP S57117048A
Authority
JP
Japan
Prior art keywords
micro
instruction
bit
corrected
logical
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
JP56004311A
Other languages
Japanese (ja)
Other versions
JPS6125170B2 (en
Inventor
Yoshihisa Soda
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 JP56004311A priority Critical patent/JPS57117048A/en
Publication of JPS57117048A publication Critical patent/JPS57117048A/en
Publication of JPS6125170B2 publication Critical patent/JPS6125170B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Detection And Correction Of Errors (AREA)

Abstract

PURPOSE:To remove dead rewriting in case of a fixed error, by providing a correction bit showing whether a bit error has been corrected or not in the past, on a micro-instruction, and rewriting only the first bit error in a micro-instruction storing circuit. CONSTITUTION:In case when a micro-instruction read out by a micro-instruction holding register 11 is not detected nor corrected as to 1 bit error in a 1 bit correcting circuit 12, a 1 bit correction instructing signal 102 is logical ''0'' and a normal operation is executed. In case when 1 bit error of the micro-instruction is detected and corrected and also a correction bit 110 is logical ''1'', the signal 102 is logical ''1'', a data selecting circuit 10 receives a correction data 100 and rewrites a corrected micro-instruction from the micro-instruction of the register 11, to the register 11, but no rewriting is executed to a micro-instruction storing circuit 16. Also, in case when 1 bit error of the micro-instruction is detected and corrected, and also the correction bit 110 is logical ''0'', the signal 102 is logical ''7'', therefore, the micro-instruction is corrected and is rewritten to the circuit 16.
JP56004311A 1981-01-14 1981-01-14 Information processing device Granted JPS57117048A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56004311A JPS57117048A (en) 1981-01-14 1981-01-14 Information processing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56004311A JPS57117048A (en) 1981-01-14 1981-01-14 Information processing device

Publications (2)

Publication Number Publication Date
JPS57117048A true JPS57117048A (en) 1982-07-21
JPS6125170B2 JPS6125170B2 (en) 1986-06-14

Family

ID=11580934

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56004311A Granted JPS57117048A (en) 1981-01-14 1981-01-14 Information processing device

Country Status (1)

Country Link
JP (1) JPS57117048A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6155744A (en) * 1984-08-27 1986-03-20 Fujitsu Ltd Recovery processing of errors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6155744A (en) * 1984-08-27 1986-03-20 Fujitsu Ltd Recovery processing of errors
JPH0135369B2 (en) * 1984-08-27 1989-07-25 Fujitsu Ltd

Also Published As

Publication number Publication date
JPS6125170B2 (en) 1986-06-14

Similar Documents

Publication Publication Date Title
JPS5637896A (en) Error correction system
JPS5792481A (en) Data rewriting system of bubble memory
JPS5644946A (en) Code error correction and detection system
JPS57117048A (en) Information processing device
KR910005570A (en) Programmable Subframe PWM Circuit
JPS57113497A (en) Error correction system
JPS5318925A (en) Memory control unit
JPS57169857A (en) Control storage device
JPS55101199A (en) Memory refresh unit
JPS5362936A (en) Memory control device
JPS558617A (en) Storage system
JPS56117400A (en) Buffer memory control system
JPS54157046A (en) Memory error preservation system
JPS5319014A (en) Magnetically recording and reproducing system
JPS5452950A (en) Error detecting/correcting system
JPS57162188A (en) Error detecting system for storage device
JPS56163600A (en) Memory control system
JPS6426257A (en) Data processor
JPS5748129A (en) Input data correction system
JPS5720869A (en) Correcting system of reading error
JPS5437647A (en) Storing retry system of buffer memory
JPS6428736A (en) Data error processing system for processing unit of common bus system
JPS5693190A (en) Buffer memory control system
JPS5370729A (en) Memory unit
JPS55146681A (en) Buffer memory correction system