FR2445985B1 - - Google Patents

Info

Publication number
FR2445985B1
FR2445985B1 FR7931269A FR7931269A FR2445985B1 FR 2445985 B1 FR2445985 B1 FR 2445985B1 FR 7931269 A FR7931269 A FR 7931269A FR 7931269 A FR7931269 A FR 7931269A FR 2445985 B1 FR2445985 B1 FR 2445985B1
Authority
FR
France
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
FR7931269A
Other languages
French (fr)
Other versions
FR2445985A1 (fr
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 US06/000,232 external-priority patent/US4247891A/en
Priority claimed from US06/000,222 external-priority patent/US4224677A/en
Application filed by Honeywell Information Systems Italia SpA, Honeywell Information Systems Inc filed Critical Honeywell Information Systems Italia SpA
Publication of FR2445985A1 publication Critical patent/FR2445985A1/fr
Application granted granted Critical
Publication of FR2445985B1 publication Critical patent/FR2445985B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Executing Machine-Instructions (AREA)
FR7931269A 1979-01-02 1979-12-20 Unite decimale d'un systeme de traitement de donnees microprogramme Granted FR2445985A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/000,232 US4247891A (en) 1979-01-02 1979-01-02 Leading zero count formation
US06/000,222 US4224677A (en) 1979-01-02 1979-01-02 Effective digit count on a resultant operand

Publications (2)

Publication Number Publication Date
FR2445985A1 FR2445985A1 (fr) 1980-08-01
FR2445985B1 true FR2445985B1 (US06229276-20010508-P00022.png) 1985-05-17

Family

ID=26667354

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7931269A Granted FR2445985A1 (fr) 1979-01-02 1979-12-20 Unite decimale d'un systeme de traitement de donnees microprogramme

Country Status (3)

Country Link
DE (1) DE3000006A1 (US06229276-20010508-P00022.png)
FR (1) FR2445985A1 (US06229276-20010508-P00022.png)
GB (2) GB2039104B (US06229276-20010508-P00022.png)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3219982A (en) * 1961-11-14 1965-11-23 Ibm High order mark system
US3571803A (en) * 1968-06-04 1971-03-23 Bell Telephone Labor Inc Arithmetic unit for data processing systems
US3577130A (en) * 1969-10-03 1971-05-04 Fairchild Camera Instr Co Means for limiting field length of computed data
US3678259A (en) * 1970-07-28 1972-07-18 Singer Co Asynchronous logic for determining number of leading zeros in a digital word
US3751650A (en) * 1971-06-28 1973-08-07 Burroughs Corp Variable length arithmetic unit
US3739352A (en) * 1971-06-28 1973-06-12 Burroughs Corp Variable word width processor control
US4021655A (en) * 1976-03-30 1977-05-03 International Business Machines Corporation Oversized data detection hardware for data processors which store data at variable length destinations
US4106105A (en) * 1977-02-28 1978-08-08 The Singer Company Zero detector

Also Published As

Publication number Publication date
FR2445985A1 (fr) 1980-08-01
DE3000006C2 (US06229276-20010508-P00022.png) 1988-12-29
DE3000006A1 (de) 1980-07-10
GB2114785A (en) 1983-08-24
GB2039104B (en) 1983-09-01
GB2039104A (en) 1980-07-30
GB2114785B (en) 1984-01-18

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Legal Events

Date Code Title Description
ST Notification of lapse