GB1354089A - Data processing system - Google Patents

Data processing system

Info

Publication number
GB1354089A
GB1354089A GB2661673A GB1354089DA GB1354089A GB 1354089 A GB1354089 A GB 1354089A GB 2661673 A GB2661673 A GB 2661673A GB 1354089D A GB1354089D A GB 1354089DA GB 1354089 A GB1354089 A GB 1354089A
Authority
GB
United Kingdom
Prior art keywords
data processing
processing system
april
heading
directed
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
GB2661673A
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
Priority claimed from GB2597171*#A external-priority patent/GB1353995A/en
Publication of GB1354089A publication Critical patent/GB1354089A/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
    • G06F9/46—Multiprogramming arrangements
    • G06F9/48—Program initiating; Program switching, e.g. by interrupt
    • G06F9/4806—Task transfer initiation or dispatching
    • G06F9/4812—Task transfer initiation or dispatching by interrupt, e.g. masked
    • 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
    • G06F13/24—Handling requests for interconnection or transfer for access to input/output bus using interrupt
    • 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
    • G06F13/36—Handling requests for interconnection or transfer for access to common bus or bus system
    • G06F13/368—Handling requests for interconnection or transfer for access to common bus or bus system with decentralised access control
    • G06F13/37—Handling requests for interconnection or transfer for access to common bus or bus system with decentralised access control using a physical-position-dependent priority, e.g. daisy chain, round robin or token passing
    • 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
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4204—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
    • G06F13/4208—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being a system bus, e.g. VME bus, Futurebus, Multibus
    • G06F13/4213—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being a system bus, e.g. VME bus, Futurebus, Multibus with asynchronous protocol
    • 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
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/448—Execution paradigms, e.g. implementations of programming paradigms
    • G06F9/4482—Procedural
    • G06F9/4484—Executing subprograms

Abstract

1354089 Digital computers DIGITAL EQUIPMENT CORP 19 April 1971 [1 April 1970] 26616/73 Divided out of 1353995 Heading G4A The disclosure is the same as that of the parent Specification 1,353,995 and also Specification 1,354,090. The claims are directed to a data unit (i.e. a peripheral unit).
GB2661673A 1970-04-01 1971-04-19 Data processing system Expired GB1354089A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2463670A 1970-04-01 1970-04-01
GB2597171*#A GB1353995A (en) 1970-04-01 1971-04-19 Data processing system

Publications (1)

Publication Number Publication Date
GB1354089A true GB1354089A (en) 1974-06-05

Family

ID=26257978

Family Applications (2)

Application Number Title Priority Date Filing Date
GB2661673A Expired GB1354089A (en) 1970-04-01 1971-04-19 Data processing system
GB2661773A Expired GB1354090A (en) 1970-04-01 1971-04-19 Peripheral units for data processing systems and data processing systems incorporating the same

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB2661773A Expired GB1354090A (en) 1970-04-01 1971-04-19 Peripheral units for data processing systems and data processing systems incorporating the same

Country Status (1)

Country Link
GB (2) GB1354089A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2296883A1 (en) * 1974-12-30 1976-07-30 Ibm DATA TRANSFER CONTROL SYSTEM

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2296883A1 (en) * 1974-12-30 1976-07-30 Ibm DATA TRANSFER CONTROL SYSTEM

Also Published As

Publication number Publication date
GB1354090A (en) 1974-06-05

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years