IT1001603B - Memoria di controllo perfezionata - Google Patents

Memoria di controllo perfezionata

Info

Publication number
IT1001603B
IT1001603B IT30499/73A IT3049973A IT1001603B IT 1001603 B IT1001603 B IT 1001603B IT 30499/73 A IT30499/73 A IT 30499/73A IT 3049973 A IT3049973 A IT 3049973A IT 1001603 B IT1001603 B IT 1001603B
Authority
IT
Italy
Prior art keywords
control memory
improved control
improved
memory
control
Prior art date
Application number
IT30499/73A
Other languages
English (en)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT1001603B publication Critical patent/IT1001603B/it

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
    • G06F9/264—Microinstruction selection based on results of processing
    • G06F9/267—Microinstruction selection based on results of processing by instruction selection on output of storage

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)
IT30499/73A 1972-12-26 1973-10-24 Memoria di controllo perfezionata IT1001603B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00317961A US3800293A (en) 1972-12-26 1972-12-26 Microprogram control subsystem

Publications (1)

Publication Number Publication Date
IT1001603B true IT1001603B (it) 1976-04-30

Family

ID=23236009

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30499/73A IT1001603B (it) 1972-12-26 1973-10-24 Memoria di controllo perfezionata

Country Status (9)

Country Link
US (1) US3800293A (it)
JP (1) JPS5333374B2 (it)
BR (1) BR7309155D0 (it)
CA (1) CA1005922A (it)
CH (1) CH559940A5 (it)
FR (1) FR2212054A5 (it)
GB (1) GB1398367A (it)
IT (1) IT1001603B (it)
NL (1) NL7314854A (it)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1016854B (it) * 1974-08-21 1977-06-20 Olivetti & Co Spa Calcolatore elettronico di elabora zione dati
US3958227A (en) * 1974-09-24 1976-05-18 International Business Machines Corporation Control store system with flexible control word selection
US3990054A (en) * 1974-11-05 1976-11-02 Honeywell Inc. Microprogram organization techniques
JPS51144142A (en) * 1975-06-06 1976-12-10 Hitachi Ltd Information processing
US4085439A (en) * 1976-08-27 1978-04-18 Itek Corporation Computer programming system having greatly reduced storage capacity and high speed
JPS6029126B2 (ja) * 1977-01-14 1985-07-09 株式会社日立製作所 デ−タ処理装置
JPS6049332B2 (ja) * 1977-01-31 1985-11-01 株式会社東芝 マイクロプログラム制御方式
FR2384300A1 (fr) * 1977-03-18 1978-10-13 Cii Honeywell Bull Procede et dispositif pour l'acceleration du calcul de l'adresse d'une microinstruction dans un systeme de traitement de donnees
US4210960A (en) * 1977-09-02 1980-07-01 Sperry Corporation Digital computer with overlapped operation utilizing conditional control to minimize time losses
DE2747304C3 (de) * 1977-10-21 1981-03-26 IBM Deutschland GmbH, 70569 Stuttgart Einrichtung zur Mikrobefehlssteuerung
US4156278A (en) * 1977-11-22 1979-05-22 Honeywell Information Systems Inc. Multiple control store microprogrammable control unit including multiple function register control field
US4161026A (en) * 1977-11-22 1979-07-10 Honeywell Information Systems Inc. Hardware controlled transfers to microprogram control apparatus and return via microinstruction restart codes
US4156279A (en) * 1977-11-22 1979-05-22 Honeywell Information Systems Inc. Microprogrammed data processing unit including a multifunction secondary control store
US4223381A (en) * 1978-06-30 1980-09-16 Harris Corporation Lookahead memory address control system
US4360868A (en) * 1978-12-06 1982-11-23 Data General Corporation Instruction prefetch means having first and second register for storing and providing a current PC while generating a next PC
DE2951040A1 (de) * 1979-01-16 1980-07-24 Digital Equipment Corp Steuerspeicher in einem steuerabschnitt eines rechners
US4342078A (en) * 1979-05-21 1982-07-27 Motorola, Inc. Instruction register sequence decoder for microprogrammed data processor and method
JPS5619150A (en) * 1979-07-25 1981-02-23 Fujitsu Ltd Microprogram control system
US4348724A (en) * 1980-04-15 1982-09-07 Honeywell Information Systems Inc. Address pairing apparatus for a control store of a data processing system
JPS56152049A (en) * 1980-04-25 1981-11-25 Toshiba Corp Microprogram control system
JPS5748139A (en) * 1980-09-04 1982-03-19 Nec Corp Microprogram control device
JPS57199050A (en) * 1981-06-01 1982-12-06 Ibm Micro order control memory mechanism
US4531199A (en) * 1981-06-01 1985-07-23 International Business Machines Corporation Binary number substitution mechanism in a control store element
US4422144A (en) * 1981-06-01 1983-12-20 International Business Machines Corp. Microinstruction substitution mechanism in a control store
US4575794A (en) * 1982-02-22 1986-03-11 International Business Machines Corp. Clocking mechanism for multiple overlapped dynamic programmable logic arrays used in a digital control unit
US4685080A (en) * 1982-02-22 1987-08-04 International Business Machines Corp. Microword generation mechanism utilizing separate programmable logic arrays for first and second microwords
US4583193A (en) * 1982-02-22 1986-04-15 International Business Machines Corp. Integrated circuit mechanism for coupling multiple programmable logic arrays to a common bus
US4931989A (en) * 1982-02-22 1990-06-05 International Business Machines Corporation Microword generation mechanism utilizing a separate programmable logic array for first microwords
US4594661A (en) * 1982-02-22 1986-06-10 International Business Machines Corp. Microword control system utilizing multiplexed programmable logic arrays
US4947369A (en) * 1982-12-23 1990-08-07 International Business Machines Corporation Microword generation mechanism utilizing a separate branch decision programmable logic array
EP0114194B1 (en) * 1982-12-23 1987-10-14 International Business Machines Corporation Microword generation mechanism utilizing a separate branch decision programmable logic array
US4661901A (en) * 1982-12-23 1987-04-28 International Business Machines Corporation Microprocessor control system utilizing overlapped programmable logic arrays
JPS59128642A (ja) * 1983-01-14 1984-07-24 Hitachi Ltd マイクロプログラム制御機器のパイプライン方式
US4574344A (en) * 1983-09-29 1986-03-04 Tandem Computers Incorporated Entry control store for enhanced CPU pipeline performance
JPS60103452A (ja) * 1983-11-10 1985-06-07 Fujitsu Ltd マイクロプログラム制御方式
DE3481023D1 (de) * 1983-11-10 1990-02-15 Fujitsu Ltd Vom mikroprogramm gesteuertes system.
US4975837A (en) * 1984-10-01 1990-12-04 Unisys Corporation Programmable unit having plural levels of subinstruction sets where a portion of the lower level is embedded in the code stream of the upper level of the subinstruction sets
US4825363A (en) * 1984-12-05 1989-04-25 Honeywell Inc. Apparatus for modifying microinstructions of a microprogrammed processor
JP2000293371A (ja) * 1999-04-09 2000-10-20 Hitachi Ltd マイクロプログラム制御方法及び装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1234484A (it) * 1968-11-12 1971-06-03
US3634883A (en) * 1969-11-12 1972-01-11 Honeywell Inc Microinstruction address modification and branch system
JPS514381B1 (it) * 1969-11-24 1976-02-10
US3609700A (en) * 1970-02-24 1971-09-28 Burroughs Corp Data processing system having an improved fetch overlap feature
US3656123A (en) * 1970-04-16 1972-04-11 Ibm Microprogrammed processor with variable basic machine cycle lengths
US3713108A (en) * 1971-03-25 1973-01-23 Ibm Branch control for a digital machine
US3704448A (en) * 1971-08-02 1972-11-28 Hewlett Packard Co Data processing control system

Also Published As

Publication number Publication date
CH559940A5 (it) 1975-03-14
GB1398367A (en) 1975-06-18
JPS5333374B2 (it) 1978-09-13
US3800293A (en) 1974-03-26
DE2363100A1 (de) 1974-07-11
BR7309155D0 (pt) 1974-08-15
DE2363100B2 (de) 1975-11-27
NL7314854A (it) 1974-06-28
CA1005922A (en) 1977-02-22
JPS4991737A (it) 1974-09-02
AU6162173A (en) 1975-04-24
FR2212054A5 (it) 1974-07-19

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