DE3680959D1 - Ueberlauf-unterbrecher mit ausgewaehltem operationscode. - Google Patents

Ueberlauf-unterbrecher mit ausgewaehltem operationscode.

Info

Publication number
DE3680959D1
DE3680959D1 DE8686108757T DE3680959T DE3680959D1 DE 3680959 D1 DE3680959 D1 DE 3680959D1 DE 8686108757 T DE8686108757 T DE 8686108757T DE 3680959 T DE3680959 T DE 3680959T DE 3680959 D1 DE3680959 D1 DE 3680959D1
Authority
DE
Germany
Prior art keywords
interrupter
overflow
operation code
selected operation
code
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 - Lifetime
Application number
DE8686108757T
Other languages
English (en)
Inventor
Jr William S Worley
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of DE3680959D1 publication Critical patent/DE3680959D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • G06F7/499—Denomination or exception handling, e.g. rounding or overflow
    • G06F7/49905—Exception handling
    • G06F7/4991—Overflow or underflow

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Executing Machine-Instructions (AREA)
  • Complex Calculations (AREA)
DE8686108757T 1985-06-28 1986-06-27 Ueberlauf-unterbrecher mit ausgewaehltem operationscode. Expired - Lifetime DE3680959D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/750,626 US4649478A (en) 1985-06-28 1985-06-28 Operation code selected overflow interrupts

Publications (1)

Publication Number Publication Date
DE3680959D1 true DE3680959D1 (de) 1991-09-26

Family

ID=25018612

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686108757T Expired - Lifetime DE3680959D1 (de) 1985-06-28 1986-06-27 Ueberlauf-unterbrecher mit ausgewaehltem operationscode.

Country Status (5)

Country Link
US (1) US4649478A (de)
EP (1) EP0206346B1 (de)
JP (1) JP2557629B2 (de)
CA (1) CA1247744A (de)
DE (1) DE3680959D1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5327567A (en) * 1989-11-16 1994-07-05 Texas Instruments Incorporated Method and system for returning emulated results from a trap handler
JPH05282133A (ja) * 1992-04-01 1993-10-29 Mitsubishi Electric Corp 演算方式
US6816962B2 (en) * 2002-02-25 2004-11-09 International Business Machines Corporation Re-encoding illegal OP codes into a single illegal OP code to accommodate the extra bits associated with pre-decoded instructions

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS544582B2 (de) * 1972-06-21 1979-03-08
US4312034A (en) * 1979-05-21 1982-01-19 Motorola, Inc. ALU and Condition code control unit for data processor
US4346437A (en) * 1979-08-31 1982-08-24 Bell Telephone Laboratories, Incorporated Microcomputer using a double opcode instruction
JPS56129950A (en) * 1980-03-07 1981-10-12 Hitachi Ltd Information processor
US4366548A (en) * 1981-01-02 1982-12-28 Sperry Corporation Adder for exponent arithmetic
US4498136A (en) * 1982-12-15 1985-02-05 Ibm Corporation Interrupt processor
JPS6027070A (ja) * 1983-07-25 1985-02-12 Toshiba Corp ベクトル処理装置

Also Published As

Publication number Publication date
CA1247744A (en) 1988-12-28
JP2557629B2 (ja) 1996-11-27
US4649478A (en) 1987-03-10
EP0206346A1 (de) 1986-12-30
JPS623345A (ja) 1987-01-09
EP0206346B1 (de) 1991-08-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HEWLETT-PACKARD CO. (N.D.GES.D.STAATES DELAWARE),

8339 Ceased/non-payment of the annual fee