JPS5518718A - Interruption system for specific program - Google Patents
Interruption system for specific programInfo
- Publication number
- JPS5518718A JPS5518718A JP9026878A JP9026878A JPS5518718A JP S5518718 A JPS5518718 A JP S5518718A JP 9026878 A JP9026878 A JP 9026878A JP 9026878 A JP9026878 A JP 9026878A JP S5518718 A JPS5518718 A JP S5518718A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- timing signal
- memory
- signal
- jump
- 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.)
- Pending
Links
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 230000005764 inhibitory process Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
PURPOSE: To obtain a specific-program interruption system which can remove complexity in terms of software and hardware, by making it possible to use forcibly CPU from the outside without using an interrupting method.
CONSTITUTION: Switch 9 connected to timing control circuit 10 in intrruption processing circuit 5 is closed. As a result, circuit 10 is supplied with fetch timing signal A from CPU1 and memory inhibition signal B inhibiting access to memory 2 is transferred. Further, circuit 10 transfers timing signal A to address latch circuit 7 before a jump instruction is generated and timing signal C for storing a program after the interruption is transferred to memory. On the generation of the jump instruction, circuit 10 sends timing signal A to jump code generating circuit 11. On receiving signal A, circuit 11 transfers a jump code to data bus 4.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9026878A JPS5518718A (en) | 1978-07-24 | 1978-07-24 | Interruption system for specific program |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9026878A JPS5518718A (en) | 1978-07-24 | 1978-07-24 | Interruption system for specific program |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5518718A true JPS5518718A (en) | 1980-02-09 |
Family
ID=13993750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9026878A Pending JPS5518718A (en) | 1978-07-24 | 1978-07-24 | Interruption system for specific program |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5518718A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56155451A (en) * | 1980-04-30 | 1981-12-01 | Sharp Corp | Electronic computer |
| JPS61103255A (en) * | 1984-10-26 | 1986-05-21 | Nec Corp | Data collection system in case of fault |
| JPH01263732A (en) * | 1988-04-14 | 1989-10-20 | Sharp Corp | Special action processing system for microprocessor |
-
1978
- 1978-07-24 JP JP9026878A patent/JPS5518718A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56155451A (en) * | 1980-04-30 | 1981-12-01 | Sharp Corp | Electronic computer |
| JPS61103255A (en) * | 1984-10-26 | 1986-05-21 | Nec Corp | Data collection system in case of fault |
| JPH01263732A (en) * | 1988-04-14 | 1989-10-20 | Sharp Corp | Special action processing system for microprocessor |
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