GB910006A - Improvements in or relating to digital computing apparatus - Google Patents

Improvements in or relating to digital computing apparatus

Info

Publication number
GB910006A
GB910006A GB1035560A GB1035560A GB910006A GB 910006 A GB910006 A GB 910006A GB 1035560 A GB1035560 A GB 1035560A GB 1035560 A GB1035560 A GB 1035560A GB 910006 A GB910006 A GB 910006A
Authority
GB
United Kingdom
Prior art keywords
gates
microprogramme
instructions
relating
computing apparatus
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
GB1035560A
Inventor
Arye Leib Friedman
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.)
Decca Ltd
Original Assignee
Decca Ltd
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 Decca Ltd filed Critical Decca Ltd
Priority to GB1035560A priority Critical patent/GB910006A/en
Publication of GB910006A publication Critical patent/GB910006A/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
    • G06F9/22—Microcontrol or microprogram arrangements
    • G06F9/26—Address formation of the next micro-instruction ; Microprogram storage or retrieval arrangements
    • G06F9/262—Arrangements for next microinstruction selection

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

910,006. Programming arrangements for connectors. DECCA Ltd. March 13, 1961 [March 23, 1960], No. 10355/60. Class 106 (1). The various steps of a microprogramme are called for over a set of gates some of which are common to a number of microprogrammes and others of which are individual to a particular microprogramme. As shown " add and " subtract " instructions are received as signals on lines 40 and 41 respectively and are applied as inputs to a number of " and " gates (shown as small rectangles). A stepping switch 47 opens these gates in turn to apply signals to further gates (large rectangles) which initiate the steps of the microprogramme. It will be seen that gates 43-46 are operative for " add " and " subtract " instructions (they are enabled over " or " gate 42) while 48 and 49 are individual to these instructions respectively.
GB1035560A 1960-03-23 1960-03-23 Improvements in or relating to digital computing apparatus Expired GB910006A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1035560A GB910006A (en) 1960-03-23 1960-03-23 Improvements in or relating to digital computing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1035560A GB910006A (en) 1960-03-23 1960-03-23 Improvements in or relating to digital computing apparatus

Publications (1)

Publication Number Publication Date
GB910006A true GB910006A (en) 1962-11-07

Family

ID=9966324

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1035560A Expired GB910006A (en) 1960-03-23 1960-03-23 Improvements in or relating to digital computing apparatus

Country Status (1)

Country Link
GB (1) GB910006A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0073004A2 (en) * 1981-08-26 1983-03-02 Otto Müller CPU of a digital multibit computer system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0073004A2 (en) * 1981-08-26 1983-03-02 Otto Müller CPU of a digital multibit computer system
EP0073004A3 (en) * 1981-08-26 1983-07-06 Otto Muller Method for the operation of a cpu of a digital multibit computer system and the cpu for carrying out this method of operation

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