JPS5423343A - Microprogram controller - Google Patents

Microprogram controller

Info

Publication number
JPS5423343A
JPS5423343A JP8851377A JP8851377A JPS5423343A JP S5423343 A JPS5423343 A JP S5423343A JP 8851377 A JP8851377 A JP 8851377A JP 8851377 A JP8851377 A JP 8851377A JP S5423343 A JPS5423343 A JP S5423343A
Authority
JP
Japan
Prior art keywords
address
microprogram controller
branch
shorten
selecting
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
JP8851377A
Other languages
Japanese (ja)
Inventor
Yasuhisa Watanabe
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 JP8851377A priority Critical patent/JPS5423343A/en
Publication of JPS5423343A publication Critical patent/JPS5423343A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To shorten a process time, by respectively storing present address+1 and a branch-destination address in two address registers and by determining the next address by selecting an address register on the basis of the condition discrimination of execution result of a branch microinstruction.
COPYRIGHT: (C)1979,JPO&Japio
JP8851377A 1977-07-22 1977-07-22 Microprogram controller Pending JPS5423343A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8851377A JPS5423343A (en) 1977-07-22 1977-07-22 Microprogram controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8851377A JPS5423343A (en) 1977-07-22 1977-07-22 Microprogram controller

Publications (1)

Publication Number Publication Date
JPS5423343A true JPS5423343A (en) 1979-02-21

Family

ID=13944899

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8851377A Pending JPS5423343A (en) 1977-07-22 1977-07-22 Microprogram controller

Country Status (1)

Country Link
JP (1) JPS5423343A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5794851A (en) * 1980-12-03 1982-06-12 Fujitsu Ltd Instruction fetch control system
JPS5798043A (en) * 1980-12-12 1982-06-18 Hitachi Ltd Device for controlling conditional branch
JPS61147341A (en) * 1984-12-20 1986-07-05 Fujitsu Ltd Branch control system
JPS6282402A (en) * 1985-10-07 1987-04-15 Toshiba Corp Sequence controller
JPH01175633A (en) * 1987-12-29 1989-07-12 Fujitsu Ltd Data processor
JPH06301532A (en) * 1993-04-19 1994-10-28 Kawasaki Steel Corp Microprocessor unit

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5794851A (en) * 1980-12-03 1982-06-12 Fujitsu Ltd Instruction fetch control system
JPS5798043A (en) * 1980-12-12 1982-06-18 Hitachi Ltd Device for controlling conditional branch
JPS61147341A (en) * 1984-12-20 1986-07-05 Fujitsu Ltd Branch control system
JPS6282402A (en) * 1985-10-07 1987-04-15 Toshiba Corp Sequence controller
JPH01175633A (en) * 1987-12-29 1989-07-12 Fujitsu Ltd Data processor
JPH06301532A (en) * 1993-04-19 1994-10-28 Kawasaki Steel Corp Microprocessor unit

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