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
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)
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)
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)
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 |
-
1985
- 1985-06-28 US US06/750,626 patent/US4649478A/en not_active Expired - Lifetime
-
1986
- 1986-06-19 CA CA000511959A patent/CA1247744A/en not_active Expired
- 1986-06-20 JP JP61144653A patent/JP2557629B2/ja not_active Expired - Lifetime
- 1986-06-27 DE DE8686108757T patent/DE3680959D1/de not_active Expired - Lifetime
- 1986-06-27 EP EP86108757A patent/EP0206346B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JP2557629B2 (ja) | 1996-11-27 |
EP0206346A1 (de) | 1986-12-30 |
US4649478A (en) | 1987-03-10 |
JPS623345A (ja) | 1987-01-09 |
CA1247744A (en) | 1988-12-28 |
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 |