DE3000006A1 - Dezimaleinheit - Google Patents

Dezimaleinheit

Info

Publication number
DE3000006A1
DE3000006A1 DE19803000006 DE3000006A DE3000006A1 DE 3000006 A1 DE3000006 A1 DE 3000006A1 DE 19803000006 DE19803000006 DE 19803000006 DE 3000006 A DE3000006 A DE 3000006A DE 3000006 A1 DE3000006 A1 DE 3000006A1
Authority
DE
Germany
Prior art keywords
decimal
signals
operand
word
signal
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.)
Granted
Application number
DE19803000006
Other languages
German (de)
English (en)
Other versions
DE3000006C2 (enrdf_load_stackoverflow
Inventor
Richard T Flynn
Jerry L Kindell
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 Inc
Original Assignee
Honeywell Information Systems Italia SpA
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 filed Critical Honeywell Information Systems Italia SpA
Publication of DE3000006A1 publication Critical patent/DE3000006A1/de
Application granted granted Critical
Publication of DE3000006C2 publication Critical patent/DE3000006C2/de
Granted 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.

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)
DE19803000006 1979-01-02 1980-01-02 Dezimaleinheit Granted DE3000006A1 (de)

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
DE3000006A1 true DE3000006A1 (de) 1980-07-10
DE3000006C2 DE3000006C2 (enrdf_load_stackoverflow) 1988-12-29

Family

ID=26667354

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803000006 Granted DE3000006A1 (de) 1979-01-02 1980-01-02 Dezimaleinheit

Country Status (3)

Country Link
DE (1) DE3000006A1 (enrdf_load_stackoverflow)
FR (1) FR2445985A1 (enrdf_load_stackoverflow)
GB (2) GB2039104B (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2230188A1 (de) * 1971-06-28 1973-01-11 Burroughs Corp Arithmetische einheit fuer variable wortlaengen
GB1390387A (en) * 1971-06-28 1975-04-09 Burroughs Corp Computer for processing variable length operands

Family Cites Families (6)

* 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
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2230188A1 (de) * 1971-06-28 1973-01-11 Burroughs Corp Arithmetische einheit fuer variable wortlaengen
GB1390387A (en) * 1971-06-28 1975-04-09 Burroughs Corp Computer for processing variable length operands

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
IBM Technical Discl. Bull., Vol. 17, No. 10, March 1975, Sn. 2844 bis 2845 *
IBM Technical Disclosure Bull., Vol. 19, No. 10, March 1977, Sn. 3638 bis 3642 *

Also Published As

Publication number Publication date
GB2039104A (en) 1980-07-30
GB2114785A (en) 1983-08-24
FR2445985A1 (fr) 1980-08-01
FR2445985B1 (enrdf_load_stackoverflow) 1985-05-17
GB2114785B (en) 1984-01-18
GB2039104B (en) 1983-09-01
DE3000006C2 (enrdf_load_stackoverflow) 1988-12-29

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8127 New person/name/address of the applicant

Owner name: HONEYWELL BULL INC., MINNEAPOLIS, MINN., US

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee