CA1120596A - Microprogrammed data processing unit including a multi-function secondary control store - Google Patents

Microprogrammed data processing unit including a multi-function secondary control store

Info

Publication number
CA1120596A
CA1120596A CA000315913A CA315913A CA1120596A CA 1120596 A CA1120596 A CA 1120596A CA 000315913 A CA000315913 A CA 000315913A CA 315913 A CA315913 A CA 315913A CA 1120596 A CA1120596 A CA 1120596A
Authority
CA
Canada
Prior art keywords
control
bit
store
register
instruction
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
Application number
CA000315913A
Other languages
English (en)
French (fr)
Inventor
John E. Wilhite
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.)
Bull HN Information Systems Inc
Original Assignee
Honeywell Information Systems Inc
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 Honeywell Information Systems Inc filed Critical Honeywell Information Systems Inc
Application granted granted Critical
Publication of CA1120596A publication Critical patent/CA1120596A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F9/223—Execution means for microinstructions irrespective of the microinstruction function, e.g. decoding of microinstructions and nanoinstructions; timing of microinstructions; programmable logic arrays; delays and fan-out problems
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F9/3861—Recovery, e.g. branch miss-prediction, exception handling

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)
  • Advance Control (AREA)
CA000315913A 1977-11-22 1978-11-07 Microprogrammed data processing unit including a multi-function secondary control store Expired CA1120596A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/853,945 US4156279A (en) 1977-11-22 1977-11-22 Microprogrammed data processing unit including a multifunction secondary control store
US853,945 1977-11-22

Publications (1)

Publication Number Publication Date
CA1120596A true CA1120596A (en) 1982-03-23

Family

ID=25317306

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000315913A Expired CA1120596A (en) 1977-11-22 1978-11-07 Microprogrammed data processing unit including a multi-function secondary control store

Country Status (4)

Country Link
US (1) US4156279A (https=)
JP (1) JPS54109349A (https=)
AU (1) AU518369B2 (https=)
CA (1) CA1120596A (https=)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2747304C3 (de) * 1977-10-21 1981-03-26 IBM Deutschland GmbH, 70569 Stuttgart Einrichtung zur Mikrobefehlssteuerung
US4325121A (en) * 1978-11-17 1982-04-13 Motorola, Inc. Two-level control store for microprogrammed data processor
US4307445A (en) * 1978-11-17 1981-12-22 Motorola, Inc. Microprogrammed control apparatus having a two-level control store for data processor
US4312034A (en) * 1979-05-21 1982-01-19 Motorola, Inc. ALU and Condition code control unit for data processor
US4459666A (en) * 1979-09-24 1984-07-10 Control Data Corporation Plural microcode control memory
JPS5748139A (en) * 1980-09-04 1982-03-19 Nec Corp Microprogram control device
US4390946A (en) * 1980-10-20 1983-06-28 Control Data Corporation Lookahead addressing in a pipeline computer control store with separate memory segments for single and multiple microcode instruction sequences
JPS5785147A (en) * 1980-11-18 1982-05-27 Fujitsu Ltd Microprogram control device
US4481570A (en) * 1981-08-07 1984-11-06 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Automatic multi-banking of memory for microprocessors
US4516203A (en) * 1981-09-11 1985-05-07 Data General Corporation Improved apparatus for encaching data whose value does not change during execution of an instruction sequence
US4928223A (en) * 1982-10-06 1990-05-22 Fairchild Semiconductor Corporation Floating point microprocessor with directable two level microinstructions
DE3241376A1 (de) * 1982-11-09 1984-05-10 Siemens AG, 1000 Berlin und 8000 München Dma-steuereinrichtung zur uebertragung von daten zwischen einem datensender und einem datenempfaenger
JPS5990166A (ja) * 1982-11-15 1984-05-24 Toshiba Corp 制御デ−タ処理装置
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
US4852045A (en) * 1986-05-06 1989-07-25 Hayes Microcomputer Products, Inc. Message buffer with improved escape sequence and automatic document marking
US5097407A (en) * 1986-08-08 1992-03-17 Integrated Inference Machines Artificial intelligence processor
US5018098A (en) * 1987-05-07 1991-05-21 Fujitsu Limited Data transfer controlling apparatus for direct memory access
US5117487A (en) * 1988-08-26 1992-05-26 Kabushiki Kaisha Toshiba Method for accessing microprocessor and microinstruction control type microprocessor including pointer register
DE69425377T2 (de) * 1994-11-29 2001-02-15 International Business Machines Corp., Armonk Einzel-Zyklus-Prozessor zur Echtzeitsverarbeitung
US5898104A (en) * 1997-06-24 1999-04-27 Brown & Williamson Tobacco Corp. Feed assembly for pack seal tester
US6732259B1 (en) 1999-07-30 2004-05-04 Mips Technologies, Inc. Processor having a conditional branch extension of an instruction set architecture
US6697832B1 (en) 1999-07-30 2004-02-24 Mips Technologies, Inc. Floating-point processor with improved intermediate result handling
US6631392B1 (en) 1999-07-30 2003-10-07 Mips Technologies, Inc. Method and apparatus for predicting floating-point exceptions
US6912559B1 (en) 1999-07-30 2005-06-28 Mips Technologies, Inc. System and method for improving the accuracy of reciprocal square root operations performed by a floating-point unit
US6714197B1 (en) 1999-07-30 2004-03-30 Mips Technologies, Inc. Processor having an arithmetic extension of an instruction set architecture
US7346643B1 (en) * 1999-07-30 2008-03-18 Mips Technologies, Inc. Processor with improved accuracy for multiply-add operations
US6996596B1 (en) 2000-05-23 2006-02-07 Mips Technologies, Inc. Floating-point processor with operating mode having improved accuracy and high performance

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766532A (en) * 1972-04-28 1973-10-16 Nanodata Corp Data processing system having two levels of program control
US3800293A (en) * 1972-12-26 1974-03-26 Ibm Microprogram control subsystem
IT995721B (it) * 1973-10-10 1975-11-20 Honeywell Inf Systems Italia Apparato per l interpretazione di codici di funzione in calcolatori microprogrammati e per l indirizza mento indipendente di fasi inter pretative ed esecutive di micro programma
US4042972A (en) * 1974-09-25 1977-08-16 Data General Corporation Microprogram data processing technique and apparatus
US4041461A (en) * 1975-07-25 1977-08-09 International Business Machines Corporation Signal analyzer system
US4070703A (en) * 1976-09-27 1978-01-24 Honeywell Information Systems Inc. Control store organization in a microprogrammed data processing system

Also Published As

Publication number Publication date
JPS6321216B2 (https=) 1988-05-06
US4156279A (en) 1979-05-22
AU518369B2 (en) 1981-09-24
AU4173078A (en) 1979-05-31
JPS54109349A (en) 1979-08-27

Similar Documents

Publication Publication Date Title
CA1120596A (en) Microprogrammed data processing unit including a multi-function secondary control store
CA1121064A (en) Hardware controlled transfers to microprogram control apparatus and return via microinstruction restart codes
CA1122718A (en) Buffer store including control apparatus which facilitates the concurrent processing of a plurality of commands
CA1122716A (en) Microprogrammed computer control unit capable of efficiently executing a large repertoire of instructions for a high performance data processing unit
CA1123517A (en) Cache unit bypass apparatus
US4371927A (en) Data processing system programmable pre-read capability
US3898624A (en) Data processing system with variable prefetch and replacement algorithms
CA1244554A (en) Pageable branch history table
CA1135421A (en) Cache apparatus for enabling overlap of instruction fetch operations
EP3830700B1 (en) Memory protection unit using memory protection table stored in memory system
DE69631778T2 (de) Flexible implementierung eines systemverwaltungsmodus in einem prozessor
CA1135870A (en) Command queue apparatus included within a cache unit for facilitating command sequencing
US4245304A (en) Cache arrangement utilizing a split cycle mode of operation
CA1121063A (en) Multiple control store microprogrammable control unit including multiple function register control field
CA1304509C (en) System with improved timing control
US3631405A (en) Sharing of microprograms between processors
EP3850480B1 (en) Controlling accesses to a branch prediction unit for sequences of fetch groups
US4208716A (en) Cache arrangement for performing simultaneous read/write operations
US4853849A (en) Multi-tasking register set mapping system which changes a register set pointer block bit during access instruction
JPS6410859B2 (https=)
EP0066376B1 (en) Data processing system
CA1132714A (en) Instruction buffer apparatus of a cache unit
JPS6112289B2 (https=)
CA1107400A (en) Data processing system programmable pre-read capability
US6978361B2 (en) Effectively infinite branch prediction table mechanism

Legal Events

Date Code Title Description
MKEX Expiry