JPS5371544A - Abnormal loop detection circuit for microprogram - Google Patents

Abnormal loop detection circuit for microprogram

Info

Publication number
JPS5371544A
JPS5371544A JP14648076A JP14648076A JPS5371544A JP S5371544 A JPS5371544 A JP S5371544A JP 14648076 A JP14648076 A JP 14648076A JP 14648076 A JP14648076 A JP 14648076A JP S5371544 A JPS5371544 A JP S5371544A
Authority
JP
Japan
Prior art keywords
microprogram
detection circuit
loop detection
abnormal loop
abnormal
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
JP14648076A
Other languages
Japanese (ja)
Inventor
Masato Yamagishi
Yoshinori Fujioka
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 JP14648076A priority Critical patent/JPS5371544A/en
Publication of JPS5371544A publication Critical patent/JPS5371544A/en
Pending legal-status Critical Current

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  • Debugging And Monitoring (AREA)

Abstract

PURPOSE: To tell the operator the fault and to reduce the fault detection time, by providing the counter counting at a given period so that the abnormity is detected in a given time if the microprogram is in abnormal loop.
COPYRIGHT: (C)1978,JPO&Japio
JP14648076A 1976-12-08 1976-12-08 Abnormal loop detection circuit for microprogram Pending JPS5371544A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14648076A JPS5371544A (en) 1976-12-08 1976-12-08 Abnormal loop detection circuit for microprogram

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14648076A JPS5371544A (en) 1976-12-08 1976-12-08 Abnormal loop detection circuit for microprogram

Publications (1)

Publication Number Publication Date
JPS5371544A true JPS5371544A (en) 1978-06-26

Family

ID=15408582

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14648076A Pending JPS5371544A (en) 1976-12-08 1976-12-08 Abnormal loop detection circuit for microprogram

Country Status (1)

Country Link
JP (1) JPS5371544A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5880746A (en) * 1981-11-06 1983-05-14 Matsushita Electric Ind Co Ltd Self-diagnosing system of microcomputer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52106655A (en) * 1976-03-05 1977-09-07 Nippon Telegr & Teleph Corp <Ntt> Micro-program abnormality detecting device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52106655A (en) * 1976-03-05 1977-09-07 Nippon Telegr & Teleph Corp <Ntt> Micro-program abnormality detecting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5880746A (en) * 1981-11-06 1983-05-14 Matsushita Electric Ind Co Ltd Self-diagnosing system of microcomputer

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