BR7807060A - CENTRAL PROCESSING UNIT TO PERFORM VARIABLE EXTENSION INSTRUCTIONS - Google Patents

CENTRAL PROCESSING UNIT TO PERFORM VARIABLE EXTENSION INSTRUCTIONS

Info

Publication number
BR7807060A
BR7807060A BR7807060A BR7807060A BR7807060A BR 7807060 A BR7807060 A BR 7807060A BR 7807060 A BR7807060 A BR 7807060A BR 7807060 A BR7807060 A BR 7807060A BR 7807060 A BR7807060 A BR 7807060A
Authority
BR
Brazil
Prior art keywords
processing unit
central processing
perform variable
variable extension
extension instructions
Prior art date
Application number
BR7807060A
Other languages
Portuguese (pt)
Inventor
W Strecker
T Hastings
S Rothman
D Rodgers
R Lary
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 BR7807060A publication Critical patent/BR7807060A/en

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)
BR7807060A 1977-10-25 1978-10-24 CENTRAL PROCESSING UNIT TO PERFORM VARIABLE EXTENSION INSTRUCTIONS BR7807060A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR7807060A true BR7807060A (en) 1979-07-17

Family

ID=25294286

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7807060A BR7807060A (en) 1977-10-25 1978-10-24 CENTRAL PROCESSING UNIT TO PERFORM VARIABLE EXTENSION INSTRUCTIONS

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
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
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
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
AU518656B2 (en) 1981-10-15
IN150275B (en) 1982-08-28
CA1114515A (en) 1981-12-15
DE2846520C2 (en) 1991-10-24
GB2007887B (en) 1982-07-28
FR2407519A1 (en) 1979-05-25
JPS5484943A (en) 1979-07-06
GB2007887A (en) 1979-05-23
ES474427A1 (en) 1979-04-16
DE2846520A1 (en) 1979-04-26
AU4104578A (en) 1980-05-01
FR2407519B1 (en) 1987-08-28
JPS5931733B2 (en) 1984-08-03

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