GB2038517B - Interrupt system - Google Patents

Interrupt system

Info

Publication number
GB2038517B
GB2038517B GB7942983A GB7942983A GB2038517B GB 2038517 B GB2038517 B GB 2038517B GB 7942983 A GB7942983 A GB 7942983A GB 7942983 A GB7942983 A GB 7942983A GB 2038517 B GB2038517 B GB 2038517B
Authority
GB
United Kingdom
Prior art keywords
interrupt system
interrupt
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
GB7942983A
Other versions
GB2038517A (en
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 Italia SpA
Bull HN Information Systems Inc
Original Assignee
Honeywell Information Systems Italia SpA
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
Priority claimed from US05/973,462 external-priority patent/US4240140A/en
Priority claimed from US05/973,290 external-priority patent/US4263648A/en
Priority claimed from US05/973,364 external-priority patent/US4225942A/en
Application filed by Honeywell Information Systems Italia SpA, Honeywell Information Systems Inc filed Critical Honeywell Information Systems Italia SpA
Publication of GB2038517A publication Critical patent/GB2038517A/en
Application granted granted Critical
Publication of GB2038517B publication Critical patent/GB2038517B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/001—Arbitration of resources in a display system, e.g. control of access to frame buffer by video controller and/or main processor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/28—Handling requests for interconnection or transfer for access to input/output bus using burst mode transfer, e.g. direct memory access DMA, cycle steal
    • G06F13/287—Multiplexed DMA

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Bus Control (AREA)
  • Digital Computer Display Output (AREA)
GB7942983A 1978-12-26 1979-12-13 Interrupt system Expired GB2038517B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US05/973,462 US4240140A (en) 1978-12-26 1978-12-26 CRT display terminal priority interrupt apparatus for generating vectored addresses
US05/973,290 US4263648A (en) 1978-12-26 1978-12-26 Split system bus cycle for direct memory access of peripherals in a cathode ray tube display system
US05/973,364 US4225942A (en) 1978-12-26 1978-12-26 Daisy chaining of device interrupts in a cathode ray tube device

Publications (2)

Publication Number Publication Date
GB2038517A GB2038517A (en) 1980-07-23
GB2038517B true GB2038517B (en) 1983-05-11

Family

ID=27420767

Family Applications (3)

Application Number Title Priority Date Filing Date
GB8120784A Expired GB2076192B (en) 1978-12-26 1979-12-13 Improvements in or relating to terminal systems for data processors
GB7942983A Expired GB2038517B (en) 1978-12-26 1979-12-13 Interrupt system
GB8120783A Expired GB2076191B (en) 1978-12-26 1979-12-13 Improvements in or relating to terminal systems for data processors

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB8120784A Expired GB2076192B (en) 1978-12-26 1979-12-13 Improvements in or relating to terminal systems for data processors

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB8120783A Expired GB2076191B (en) 1978-12-26 1979-12-13 Improvements in or relating to terminal systems for data processors

Country Status (3)

Country Link
DE (1) DE2952326A1 (en)
FR (1) FR2445558B1 (en)
GB (3) GB2076192B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4381542A (en) * 1980-10-20 1983-04-26 Digital Equipment Corporation System for interrupt arbitration
GB2157033B (en) * 1984-09-22 1986-04-16 Tippey Keith Edward Control device for computer
IL89355A0 (en) * 1988-02-24 1989-09-10 Ardent Computer Corp Method and apparatus for controlling access to a system bus
GB2225882A (en) * 1988-12-06 1990-06-13 Flare Technology Limited Computer bus structure for multiple processors
DE10032359C1 (en) * 2000-07-04 2001-11-08 Fraunhofer Ges Forschung Tree uprooting method uses high pressure water jet directed into ground at required angle for separating root ball from surrounding earth

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3800287A (en) * 1972-06-27 1974-03-26 Honeywell Inf Systems Data processing system having automatic interrupt identification technique
US3881174A (en) * 1974-01-18 1975-04-29 Process Computer Systems Inc Peripheral interrupt apparatus for digital computer system
US4041469A (en) * 1974-12-13 1977-08-09 Pertec Corporation CRT key station which is responsive to centralized control
US4030075A (en) * 1975-06-30 1977-06-14 Honeywell Information Systems, Inc. Data processing system having distributed priority network
SE420360B (en) * 1975-06-30 1981-09-28 Honeywell Inf Systems DATA PROCESSING SYSTEM INCLUDING A MULTIPLE DATA PROCESSING UNITS
US4090238A (en) * 1976-10-04 1978-05-16 Rca Corporation Priority vectored interrupt using direct memory access

Also Published As

Publication number Publication date
GB2076191B (en) 1983-06-02
GB2076192A (en) 1981-11-25
GB2076192B (en) 1983-06-02
GB2038517A (en) 1980-07-23
FR2445558A1 (en) 1980-07-25
DE2952326A1 (en) 1980-07-10
GB2076191A (en) 1981-11-25
FR2445558B1 (en) 1988-01-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee