FR2693811B1 - Système de commande de microprogrammes. - Google Patents

Système de commande de microprogrammes.

Info

Publication number
FR2693811B1
FR2693811B1 FR9302944A FR9302944A FR2693811B1 FR 2693811 B1 FR2693811 B1 FR 2693811B1 FR 9302944 A FR9302944 A FR 9302944A FR 9302944 A FR9302944 A FR 9302944A FR 2693811 B1 FR2693811 B1 FR 2693811B1
Authority
FR
France
Prior art keywords
control system
firmware control
firmware
control
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.)
Expired - Fee Related
Application number
FR9302944A
Other languages
English (en)
Other versions
FR2693811A1 (fr
Inventor
Shinji Watanabe
Hirokazu Ishizaka
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
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Publication of FR2693811A1 publication Critical patent/FR2693811A1/fr
Application granted granted Critical
Publication of FR2693811B1 publication Critical patent/FR2693811B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30094—Condition code generation, e.g. Carry, Zero flag
    • 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
    • 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
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3877—Concurrent instruction execution, e.g. pipeline or look ahead using a slave processor, e.g. coprocessor
    • G06F9/3879—Concurrent instruction execution, e.g. pipeline or look ahead using a slave processor, e.g. coprocessor for non-native instruction execution, e.g. executing a command; for Java instruction set

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)
FR9302944A 1992-03-16 1993-03-15 Système de commande de microprogrammes. Expired - Fee Related FR2693811B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4055865A JP3055999B2 (ja) 1992-03-16 1992-03-16 マイクロプログラム制御装置群

Publications (2)

Publication Number Publication Date
FR2693811A1 FR2693811A1 (fr) 1994-01-21
FR2693811B1 true FR2693811B1 (fr) 1995-03-31

Family

ID=13010969

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9302944A Expired - Fee Related FR2693811B1 (fr) 1992-03-16 1993-03-15 Système de commande de microprogrammes.

Country Status (3)

Country Link
US (1) US5430852A (fr)
JP (1) JP3055999B2 (fr)
FR (1) FR2693811B1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07219766A (ja) * 1994-02-02 1995-08-18 Toshiba Corp 演算処理装置
GB9514433D0 (en) * 1995-07-14 1995-09-13 Sgs Thomson Microelectronics Computer instruction execution
JPH1063500A (ja) * 1996-08-23 1998-03-06 Matsushita Electric Ind Co Ltd 信号処理装置
US5754762A (en) * 1997-01-13 1998-05-19 Kuo; Chih-Cheng Secure multiple application IC card using interrupt instruction issued by operating system or application program to control operation flag that determines the operational mode of bi-modal CPU
US6785765B1 (en) * 2000-06-30 2004-08-31 Micron Technology, Inc. Status register to improve initialization of a synchronous memory
US6697907B1 (en) * 2000-06-30 2004-02-24 Micron Technology, Inc. Hardware initialization of a synchronous memory

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5840214B2 (ja) * 1979-06-26 1983-09-03 株式会社東芝 計算機システム
JPS58182758A (ja) * 1982-04-20 1983-10-25 Toshiba Corp 演算制御装置
US4519077A (en) * 1982-08-30 1985-05-21 Amin Pravin T Digital processing system with self-test capability
JPS5958547A (ja) * 1982-09-28 1984-04-04 Fujitsu Ltd マイクロプログラム制御装置のエラ−処理方式
US4685058A (en) * 1983-08-29 1987-08-04 Amdahl Corporation Two-stage pipelined execution unit and control stores
US4887203A (en) * 1984-10-15 1989-12-12 Motorola, Inc. Microcoded processor executing microroutines with a user specified starting microaddress
JPS61110256A (ja) * 1984-11-02 1986-05-28 Hitachi Ltd 複数の演算部を有するプロセツサ
JPS6246347A (ja) * 1985-08-24 1987-02-28 Hitachi Ltd 情報処理装置のエラ−処理方式
US4789957A (en) * 1986-03-28 1988-12-06 Texas Instruments Incorporated Status output for a bit slice ALU
US5056015A (en) * 1988-03-23 1991-10-08 Du Pont Pixel Systems Limited Architectures for serial or parallel loading of writable control store
JPH0797326B2 (ja) * 1988-11-24 1995-10-18 日本電気株式会社 情報処理装置
US5197133A (en) * 1988-12-19 1993-03-23 Bull Hn Information Systems Inc. Control store addressing from multiple sources
JPH0351913A (ja) * 1989-07-19 1991-03-06 Nec Corp 情報処理装置
US5241637A (en) * 1990-01-05 1993-08-31 Motorola, Inc. Data processor microsequencer having multiple microaddress sources and next microaddress source selection
US4989172A (en) * 1990-02-06 1991-01-29 Unisys Coporation Apparatus and method for checking start signals

Also Published As

Publication number Publication date
FR2693811A1 (fr) 1994-01-21
JPH05257681A (ja) 1993-10-08
US5430852A (en) 1995-07-04
JP3055999B2 (ja) 2000-06-26

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Legal Events

Date Code Title Description
ST Notification of lapse