JPS5660955A - Interruption priority determination system - Google Patents
Interruption priority determination systemInfo
- Publication number
- JPS5660955A JPS5660955A JP13591579A JP13591579A JPS5660955A JP S5660955 A JPS5660955 A JP S5660955A JP 13591579 A JP13591579 A JP 13591579A JP 13591579 A JP13591579 A JP 13591579A JP S5660955 A JPS5660955 A JP S5660955A
- Authority
- JP
- Japan
- Prior art keywords
- interruption
- time width
- control signal
- control
- priority
- 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
Abstract
PURPOSE: To make it possible to determine interruption priority by a simple hardware method by using a group of pulse signals differing in time width and generated exclusively one another as the control signal for priority determination.
CONSTITUTION: Interruption factors IF1WIF4 generated completely at random are brought under the gate control of gate group G1 by control signals CSAWCSD differing in time width. An interruption factor under the gate control by a control signal of longer time width is accepted by CPU more possibly than that under the gate control by a control signal of shorter time width. On the other hand, CPU, when accepting the interruption, outputs information as a vector address to address bus lines A0WAn and it is transferred to the memory unit. Thus, the allotting determination of the interruption priority can be performed by an extremely simple hardware method.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13591579A JPS5660955A (en) | 1979-10-23 | 1979-10-23 | Interruption priority determination system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13591579A JPS5660955A (en) | 1979-10-23 | 1979-10-23 | Interruption priority determination system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5660955A true JPS5660955A (en) | 1981-05-26 |
Family
ID=15162807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13591579A Pending JPS5660955A (en) | 1979-10-23 | 1979-10-23 | Interruption priority determination system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5660955A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0644489A2 (en) * | 1993-09-20 | 1995-03-22 | International Business Machines Corporation | Method and apparatus for signalling interrupt information in a data processing system |
-
1979
- 1979-10-23 JP JP13591579A patent/JPS5660955A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0644489A2 (en) * | 1993-09-20 | 1995-03-22 | International Business Machines Corporation | Method and apparatus for signalling interrupt information in a data processing system |
EP0644489A3 (en) * | 1993-09-20 | 1995-11-22 | Ibm | Method and apparatus for signalling interrupt information in a data processing system. |
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