JPS57161936A - Microprgram controlled information processing device - Google Patents

Microprgram controlled information processing device

Info

Publication number
JPS57161936A
JPS57161936A JP4636881A JP4636881A JPS57161936A JP S57161936 A JPS57161936 A JP S57161936A JP 4636881 A JP4636881 A JP 4636881A JP 4636881 A JP4636881 A JP 4636881A JP S57161936 A JPS57161936 A JP S57161936A
Authority
JP
Japan
Prior art keywords
address
information processing
processing device
register
controlled information
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
JP4636881A
Other languages
Japanese (ja)
Inventor
Tetsuhiko Ifuku
Toshihiro Sakai
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP4636881A priority Critical patent/JPS57161936A/en
Publication of JPS57161936A publication Critical patent/JPS57161936A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/22—Microcontrol or microprogram arrangements
    • G06F9/26—Address formation of the next micro-instruction ; Microprogram storage or retrieval arrangements
    • G06F9/262—Arrangements for next microinstruction selection

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Executing Machine-Instructions (AREA)

Abstract

PURPOSE:To increase the number of degrees of fredom in the control for transfer to a subroutine and return from it, by provding a work register and micro instructions in a microprogram controlled information processing device. CONSTITUTION:In the microprogram controlled information processing device equipped with an address counter 1 which indicates the address of a micro instruction to be executed, an address register 3 which holds contents of the address counter 1, a control stack 5 which holds contents of the address counter 1 or the like when an interruption of a microprogram is generated, and an address stack 6 which holds address data for return for execution of a linked branch instruction, a work regisrer 4 is provided which holds contents of the address register or the like temporarily, and a micro instruction having the function to store contents of the address register 3 into the work register 4 is provided to control the device.
JP4636881A 1981-03-31 1981-03-31 Microprgram controlled information processing device Pending JPS57161936A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4636881A JPS57161936A (en) 1981-03-31 1981-03-31 Microprgram controlled information processing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4636881A JPS57161936A (en) 1981-03-31 1981-03-31 Microprgram controlled information processing device

Publications (1)

Publication Number Publication Date
JPS57161936A true JPS57161936A (en) 1982-10-05

Family

ID=12745204

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4636881A Pending JPS57161936A (en) 1981-03-31 1981-03-31 Microprgram controlled information processing device

Country Status (1)

Country Link
JP (1) JPS57161936A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61115135A (en) * 1984-11-12 1986-06-02 Fuji Electric Co Ltd Microprogram control system
JPS6225333A (en) * 1985-07-25 1987-02-03 Nec Corp Microcomputer
JPH0242133U (en) * 1988-09-16 1990-03-23
JPH04128345U (en) * 1991-05-10 1992-11-24 カシオ計算機株式会社 signal processing device
US5278968A (en) * 1990-03-19 1994-01-11 Nec Corporation Microprocessor capable of transferring data without intermediating execution unit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5069945A (en) * 1973-10-24 1975-06-11

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5069945A (en) * 1973-10-24 1975-06-11

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61115135A (en) * 1984-11-12 1986-06-02 Fuji Electric Co Ltd Microprogram control system
JPH0337215B2 (en) * 1984-11-12 1991-06-04 Fuji Denki Kk
JPS6225333A (en) * 1985-07-25 1987-02-03 Nec Corp Microcomputer
JPH0242133U (en) * 1988-09-16 1990-03-23
US5278968A (en) * 1990-03-19 1994-01-11 Nec Corporation Microprocessor capable of transferring data without intermediating execution unit
JPH04128345U (en) * 1991-05-10 1992-11-24 カシオ計算機株式会社 signal processing device

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