AU4104578A - Central processor unit for executing instructions of van i able length - Google Patents

Central processor unit for executing instructions of van i able length

Info

Publication number
AU4104578A
AU4104578A AU41045/78A AU4104578A AU4104578A AU 4104578 A AU4104578 A AU 4104578A AU 41045/78 A AU41045/78 A AU 41045/78A AU 4104578 A AU4104578 A AU 4104578A AU 4104578 A AU4104578 A AU 4104578A
Authority
AU
Australia
Prior art keywords
van
length
processor unit
central processor
executing instructions
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.)
Granted
Application number
AU41045/78A
Other versions
AU518656B2 (en
Inventor
W. D. ET AL Strecker
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.)
Digital Equipment Corp
Original Assignee
Digital Equipment Corp
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 Digital Equipment Corp filed Critical Digital Equipment Corp
Publication of AU4104578A publication Critical patent/AU4104578A/en
Application granted granted Critical
Publication of AU518656B2 publication Critical patent/AU518656B2/en
Expired 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
    • G06F9/34—Addressing or accessing the instruction operand or the result ; Formation of operand address; Addressing modes
    • G06F9/355—Indexed addressing
    • 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
    • G06F9/30145—Instruction analysis, e.g. decoding, instruction word fields
    • G06F9/3016—Decoding the operand specifier, e.g. specifier format
    • 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
    • G06F9/30145—Instruction analysis, e.g. decoding, instruction word fields
    • G06F9/3016—Decoding the operand specifier, e.g. specifier format
    • G06F9/30167—Decoding the operand specifier, e.g. specifier format of immediate specifier, e.g. constants
    • 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
    • G06F9/3802—Instruction prefetching
    • 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
    • G06F9/3818—Decoding for concurrent execution
    • G06F9/3822—Parallel decoding, e.g. parallel decode units

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)
AU41045/78A 1977-10-25 1978-10-25 Central processor unit for executing instructions of van i able length Expired AU518656B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US84505577A 1977-10-25 1977-10-25
USUS845055 1977-10-25

Publications (2)

Publication Number Publication Date
AU4104578A true AU4104578A (en) 1980-05-01
AU518656B2 AU518656B2 (en) 1981-10-15

Family

ID=25294286

Family Applications (1)

Application Number Title Priority Date Filing Date
AU41045/78A Expired AU518656B2 (en) 1977-10-25 1978-10-25 Central processor unit for executing instructions of van i able length

Country Status (9)

Country Link
JP (1) JPS5931733B2 (en)
AU (1) AU518656B2 (en)
BR (1) BR7807060A (en)
CA (1) CA1114515A (en)
DE (1) DE2846520A1 (en)
ES (1) ES474427A1 (en)
FR (1) FR2407519B1 (en)
GB (1) GB2007887B (en)
IN (1) IN150275B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4415969A (en) * 1980-02-07 1983-11-15 Intel Corporation Macroinstruction translator unit for use in a microprocessor
US4491908A (en) * 1981-12-01 1985-01-01 Honeywell Information Systems Inc. Microprogrammed control of extended integer and commercial instruction processor instructions through use of a data type field in a central processor unit
US4586130A (en) * 1983-10-03 1986-04-29 Digital Equipment Corporation Central processing unit for a digital computer
US5761491A (en) * 1996-04-15 1998-06-02 Motorola Inc. Data processing system and method for storing and restoring a stack pointer

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3573851A (en) * 1968-07-11 1971-04-06 Texas Instruments Inc Memory buffer for vector streaming
US3577189A (en) * 1969-01-15 1971-05-04 Ibm Apparatus and method in a digital computer for allowing improved program branching with branch anticipation reduction of the number of branches, and reduction of branch delays
US3614740A (en) * 1970-03-23 1971-10-19 Digital Equipment Corp Data processing system with circuits for transferring between operating routines, interruption routines and subroutines
US3614741A (en) * 1970-03-23 1971-10-19 Digital Equipment Corp Data processing system with instruction addresses identifying one of a plurality of registers including the program counter
US3710324A (en) * 1970-04-01 1973-01-09 Digital Equipment Corp Data processing system
US3999163A (en) * 1974-01-10 1976-12-21 Digital Equipment Corporation Secondary storage facility for data processing systems
DE2419837B2 (en) * 1974-04-24 1976-12-02 Nixdorf Computer Ag, 4790 Paderborn CIRCUIT ARRANGEMENT FOR ADDRESSING A MICROPROGRAM IN DATA PROCESSING DEVICES AND METHODS FOR EXECUTING JUMP COMMANDS
JPS5145946A (en) * 1974-10-17 1976-04-19 Fujitsu Ltd DEETASHORISHI SUTEMU
JPS5282149A (en) * 1975-12-29 1977-07-09 Fujitsu Ltd Instruction address control system

Also Published As

Publication number Publication date
JPS5484943A (en) 1979-07-06
DE2846520C2 (en) 1991-10-24
JPS5931733B2 (en) 1984-08-03
IN150275B (en) 1982-08-28
BR7807060A (en) 1979-07-17
AU518656B2 (en) 1981-10-15
GB2007887B (en) 1982-07-28
ES474427A1 (en) 1979-04-16
FR2407519A1 (en) 1979-05-25
DE2846520A1 (en) 1979-04-26
CA1114515A (en) 1981-12-15
FR2407519B1 (en) 1987-08-28
GB2007887A (en) 1979-05-23

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