GB9026877D0 - Rom device - Google Patents
Rom deviceInfo
- Publication number
- GB9026877D0 GB9026877D0 GB909026877A GB9026877A GB9026877D0 GB 9026877 D0 GB9026877 D0 GB 9026877D0 GB 909026877 A GB909026877 A GB 909026877A GB 9026877 A GB9026877 A GB 9026877A GB 9026877 D0 GB9026877 D0 GB 9026877D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- rom device
- rom
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/32—Address formation of the next instruction, e.g. by incrementing the instruction counter
- G06F9/322—Address formation of the next instruction, e.g. by incrementing the instruction counter for non-sequential address
- G06F9/328—Address formation of the next instruction, e.g. by incrementing the instruction counter for non-sequential address for runtime instruction patching
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F9/268—Microinstruction selection not based on processing results, e.g. interrupt, patch, first cycle store, diagnostic programs
Landscapes
- Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Stored Programmes (AREA)
- Read Only Memory (AREA)
- Debugging And Monitoring (AREA)
- For Increasing The Reliability Of Semiconductor Memories (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9026877A GB2250838A (en) | 1990-12-11 | 1990-12-11 | Patching a program stored in ROM |
FR9015855A FR2670601B1 (en) | 1990-12-11 | 1990-12-18 | DEAD MEMORY DEVICE. |
DE19904040503 DE4040503A1 (en) | 1990-12-11 | 1990-12-18 | READ-ONLY STORAGE DEVICE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9026877A GB2250838A (en) | 1990-12-11 | 1990-12-11 | Patching a program stored in ROM |
Publications (2)
Publication Number | Publication Date |
---|---|
GB9026877D0 true GB9026877D0 (en) | 1991-01-30 |
GB2250838A GB2250838A (en) | 1992-06-17 |
Family
ID=10686819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9026877A Withdrawn GB2250838A (en) | 1990-12-11 | 1990-12-11 | Patching a program stored in ROM |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE4040503A1 (en) |
FR (1) | FR2670601B1 (en) |
GB (1) | GB2250838A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2292470A (en) * | 1994-08-19 | 1996-02-21 | Advanced Risc Mach Ltd | Rom patching |
JPH0876990A (en) * | 1994-09-07 | 1996-03-22 | Seikosha Co Ltd | Control circuit for camera |
DE19540915A1 (en) * | 1994-11-10 | 1996-05-15 | Raymond Engineering | Redundant arrangement of solid state memory modules |
US5581776A (en) * | 1995-02-03 | 1996-12-03 | Nokia Mobile Phones Limited | Branch control system for rom-programmed processor |
US6135651A (en) * | 1997-05-29 | 2000-10-24 | Cirrus Logic, Inc. | Patching apparatus and method for upgrading modem software code |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1089225B (en) * | 1977-12-23 | 1985-06-18 | Honeywell Inf Systems | MEMORY WITH DETECTOR DEVICE AND CORRECTOR WITH SELECTIVE INTERVENTION |
JPS57155642A (en) * | 1981-03-23 | 1982-09-25 | Nissan Motor Co Ltd | Computer capable of using correcting memory |
DE3137152A1 (en) * | 1981-09-18 | 1983-04-14 | Robert Bosch Gmbh, 7000 Stuttgart | Memory correction unit |
US4542453A (en) * | 1982-02-19 | 1985-09-17 | Texas Instruments Incorporated | Program patching in microcomputer |
EP0118583A1 (en) * | 1983-03-17 | 1984-09-19 | Georg V. Coza | Memory correction unit |
JPS60243795A (en) * | 1984-05-17 | 1985-12-03 | シャープ株式会社 | Alteration program setting system for electronic register |
US4897813A (en) * | 1988-02-19 | 1990-01-30 | Unisys Corporation | Partially programmable read-only memory system |
JPH01232447A (en) * | 1988-03-11 | 1989-09-18 | Mitsubishi Electric Corp | Single chip microcomputer |
JPH02177095A (en) * | 1988-12-27 | 1990-07-10 | Nec Corp | Semiconductor nonvolatile memory |
EP0686980B1 (en) * | 1989-01-31 | 1998-12-16 | Fujitsu Limited | Semiconductor memory device having means for replacing defective memory cells |
GB2231419B (en) * | 1989-05-05 | 1993-09-22 | Technophone Ltd | Updating prom information. |
-
1990
- 1990-12-11 GB GB9026877A patent/GB2250838A/en not_active Withdrawn
- 1990-12-18 FR FR9015855A patent/FR2670601B1/en not_active Expired - Fee Related
- 1990-12-18 DE DE19904040503 patent/DE4040503A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
FR2670601B1 (en) | 1995-01-20 |
GB2250838A (en) | 1992-06-17 |
FR2670601A1 (en) | 1992-06-19 |
DE4040503A1 (en) | 1992-06-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |