HK2990A - Data processing system - Google Patents

Data processing system

Info

Publication number
HK2990A
HK2990A HK2990A HK2990A HK2990A HK 2990 A HK2990 A HK 2990A HK 2990 A HK2990 A HK 2990A HK 2990 A HK2990 A HK 2990A HK 2990 A HK2990 A HK 2990A
Authority
HK
Hong Kong
Prior art keywords
data processing
processing system
data
processing
Prior art date
Application number
HK2990A
Other languages
English (en)
Inventor
Steven A Tague
Virendra S Negi
Original Assignee
Honeywell Bull
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
Priority claimed from US06/220,219 external-priority patent/US4423483A/en
Priority claimed from US06/220,220 external-priority patent/US4384340A/en
Priority claimed from US06/219,809 external-priority patent/US4426680A/en
Application filed by Honeywell Bull filed Critical Honeywell Bull
Publication of HK2990A publication Critical patent/HK2990A/xx

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
    • G06F9/226—Microinstruction function, e.g. input/output microinstruction; diagnostic microinstruction; microinstruction format

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)
HK2990A 1980-12-24 1990-01-11 Data processing system HK2990A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/220,219 US4423483A (en) 1980-12-24 1980-12-24 Data processor using a read only memory for selecting a part of a register into which data is written
US06/220,220 US4384340A (en) 1980-12-24 1980-12-24 Data processor having apparatus for controlling the selection of decimal digits of an operand when executing decimal arithmetic instructions
US06/219,809 US4426680A (en) 1980-12-24 1980-12-24 Data processor using read only memories for optimizing main memory access and identifying the starting position of an operand

Publications (1)

Publication Number Publication Date
HK2990A true HK2990A (en) 1990-01-19

Family

ID=27396705

Family Applications (1)

Application Number Title Priority Date Filing Date
HK2990A HK2990A (en) 1980-12-24 1990-01-11 Data processing system

Country Status (4)

Country Link
EP (1) EP0055128B1 (fr)
DE (1) DE3176654D1 (fr)
HK (1) HK2990A (fr)
SG (1) SG66688G (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
FR2789779B1 (fr) * 1999-02-11 2001-04-20 Bull Cp8 Procede de traitement securise d'un element logique sensible dans un registre memoire, et module de securite mettant en oeuvre ce procede

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3916388A (en) * 1974-05-30 1975-10-28 Ibm Shifting apparatus for automatic data alignment
US4258420A (en) * 1979-01-03 1981-03-24 Honeywell Information Systems Inc. Control file apparatus for a data processing system

Also Published As

Publication number Publication date
SG66688G (en) 1989-12-22
EP0055128A3 (en) 1983-07-20
DE3176654D1 (en) 1988-03-24
EP0055128B1 (fr) 1988-02-17
EP0055128A2 (fr) 1982-06-30

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