JPS6453233A - Microprocessor - Google Patents

Microprocessor

Info

Publication number
JPS6453233A
JPS6453233A JP30392887A JP30392887A JPS6453233A JP S6453233 A JPS6453233 A JP S6453233A JP 30392887 A JP30392887 A JP 30392887A JP 30392887 A JP30392887 A JP 30392887A JP S6453233 A JPS6453233 A JP S6453233A
Authority
JP
Japan
Prior art keywords
instruction
gate
address
branching
signal
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
JP30392887A
Other languages
Japanese (ja)
Other versions
JPH087679B2 (en
Inventor
Yasuhiko Kawamoto
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
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 filed Critical NEC Corp
Priority to JP62303928A priority Critical patent/JPH087679B2/en
Publication of JPS6453233A publication Critical patent/JPS6453233A/en
Publication of JPH087679B2 publication Critical patent/JPH087679B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Executing Machine-Instructions (AREA)

Abstract

PURPOSE:To accept an interruption request even under execution of an instruction by judging the output level of an OR gate via an executing means after execution of a condition branching instruction and supplying the address of a branching destination to a reading means when the output of the OR gate is set at an active level. CONSTITUTION:A memory 101 which stores a series of instructions including a condition branching instruction, a means 102 which designates the address of the memory 101 and reads out the instruction of said address, a means 103 which carries out the read-out instruction, a means 108A which produces a control signal when a series of instructions are carried out by the prescribed frequency, a terminal to which an interruption signal 105 is supplied, and an OR gate 118 which receives the control signal and the signal 105 are provided. Then the decoder 103 executes the condition branching instruction to decide the output level of the gate 118 and supplies the address of the branching destination to the register 102 when the output level of the gate 118 is set at an active level. Thus it is possible to accept the interruption request signal during execution of an instruction requiring a comparatively long executing time without increasing this executing time.
JP62303928A 1986-12-01 1987-12-01 Microprocessor Expired - Lifetime JPH087679B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62303928A JPH087679B2 (en) 1986-12-01 1987-12-01 Microprocessor

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP61-286936 1986-12-01
JP28693686 1986-12-01
JP62303928A JPH087679B2 (en) 1986-12-01 1987-12-01 Microprocessor

Publications (2)

Publication Number Publication Date
JPS6453233A true JPS6453233A (en) 1989-03-01
JPH087679B2 JPH087679B2 (en) 1996-01-29

Family

ID=26556524

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62303928A Expired - Lifetime JPH087679B2 (en) 1986-12-01 1987-12-01 Microprocessor

Country Status (1)

Country Link
JP (1) JPH087679B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02306338A (en) * 1989-02-03 1990-12-19 Nec Corp Microprogram controller
US5925444A (en) * 1992-12-09 1999-07-20 Hitachi, Ltd. Organic binder for shaping ceramic, its production method and product employing the same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57153339A (en) * 1981-03-18 1982-09-21 Hitachi Ltd Information processor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57153339A (en) * 1981-03-18 1982-09-21 Hitachi Ltd Information processor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02306338A (en) * 1989-02-03 1990-12-19 Nec Corp Microprogram controller
US5925444A (en) * 1992-12-09 1999-07-20 Hitachi, Ltd. Organic binder for shaping ceramic, its production method and product employing the same

Also Published As

Publication number Publication date
JPH087679B2 (en) 1996-01-29

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term