GB1038704A - A self-addressed data store - Google Patents

A self-addressed data store

Info

Publication number
GB1038704A
GB1038704A GB627364A GB627364A GB1038704A GB 1038704 A GB1038704 A GB 1038704A GB 627364 A GB627364 A GB 627364A GB 627364 A GB627364 A GB 627364A GB 1038704 A GB1038704 A GB 1038704A
Authority
GB
United Kingdom
Prior art keywords
bit
word
store
address
latches
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
GB627364A
Other languages
English (en)
Inventor
Alan Charles Glover
Robert Laverne Pratt
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Priority to GB627364A priority Critical patent/GB1038704A/en
Priority to NL6501038A priority patent/NL6501038A/xx
Priority to FR5146A priority patent/FR1424317A/fr
Publication of GB1038704A publication Critical patent/GB1038704A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/491—Computations with decimal numbers radix 12 or 20.
    • G06F7/492—Computations with decimal numbers radix 12 or 20. using a binary weighted representation within each denomination
    • G06F7/493—Computations with decimal numbers radix 12 or 20. using a binary weighted representation within each denomination the representation being the natural binary coded representation, i.e. 8421-code
    • G06F7/494—Adding; Subtracting
    • G06F7/495—Adding; Subtracting in digit-serial fashion, i.e. having a single digit-handling circuit treating all denominations after each other
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/28—Error detection; Error correction; Monitoring by checking the correct order of processing
    • 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
    • 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
    • G06F9/26—Address formation of the next micro-instruction ; Microprogram storage or retrieval arrangements
    • G06F9/262—Arrangements for next microinstruction selection
    • G06F9/264—Microinstruction selection based on results of processing

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Quality & Reliability (AREA)
  • Computing Systems (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Detection And Correction Of Errors (AREA)
GB627364A 1964-02-14 1964-02-14 A self-addressed data store Expired GB1038704A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB627364A GB1038704A (en) 1964-02-14 1964-02-14 A self-addressed data store
NL6501038A NL6501038A (enrdf_load_stackoverflow) 1964-02-14 1965-01-28
FR5146A FR1424317A (fr) 1964-02-14 1965-02-11 Contrôle de parité dans une mémoire de données à adressage automatique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB627364A GB1038704A (en) 1964-02-14 1964-02-14 A self-addressed data store

Publications (1)

Publication Number Publication Date
GB1038704A true GB1038704A (en) 1966-08-10

Family

ID=9811523

Family Applications (1)

Application Number Title Priority Date Filing Date
GB627364A Expired GB1038704A (en) 1964-02-14 1964-02-14 A self-addressed data store

Country Status (2)

Country Link
GB (1) GB1038704A (enrdf_load_stackoverflow)
NL (1) NL6501038A (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2319938A1 (fr) * 1975-07-30 1977-02-25 Bodenseewerk Geraetetech Installation pour la surveillance d'
FR2337374A1 (fr) * 1975-12-29 1977-07-29 Honeywell Inf Systems Systeme et procede de verification de memoire de commande
FR2346770A1 (fr) * 1976-03-30 1977-10-28 Honeywell Inf Systems Italia Appareil de commande microprogramme muni de moyens pour verifier l'adressage de la memoire de microprogrammation
EP0098539A3 (de) * 1982-07-03 1986-06-11 Paul Merkle Serielles Tetraden-Addier-Subtrahierwerk im BCD-8421-Code
WO1989002125A1 (en) * 1987-08-31 1989-03-09 Unisys Corporation Error detection system for instruction address sequencing
US5241547A (en) * 1987-08-31 1993-08-31 Unisys Corporation Enhanced error detection scheme for instruction address sequencing of control store structure

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2319938A1 (fr) * 1975-07-30 1977-02-25 Bodenseewerk Geraetetech Installation pour la surveillance d'
FR2337374A1 (fr) * 1975-12-29 1977-07-29 Honeywell Inf Systems Systeme et procede de verification de memoire de commande
FR2346770A1 (fr) * 1976-03-30 1977-10-28 Honeywell Inf Systems Italia Appareil de commande microprogramme muni de moyens pour verifier l'adressage de la memoire de microprogrammation
EP0098539A3 (de) * 1982-07-03 1986-06-11 Paul Merkle Serielles Tetraden-Addier-Subtrahierwerk im BCD-8421-Code
WO1989002125A1 (en) * 1987-08-31 1989-03-09 Unisys Corporation Error detection system for instruction address sequencing
US5241547A (en) * 1987-08-31 1993-08-31 Unisys Corporation Enhanced error detection scheme for instruction address sequencing of control store structure

Also Published As

Publication number Publication date
NL6501038A (enrdf_load_stackoverflow) 1965-08-16

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