JPS5638643A - Interruption priority processing system - Google Patents
Interruption priority processing systemInfo
- Publication number
- JPS5638643A JPS5638643A JP11491079A JP11491079A JPS5638643A JP S5638643 A JPS5638643 A JP S5638643A JP 11491079 A JP11491079 A JP 11491079A JP 11491079 A JP11491079 A JP 11491079A JP S5638643 A JPS5638643 A JP S5638643A
- Authority
- JP
- Japan
- Prior art keywords
- priority
- interruption
- itself
- delivery
- signal line
- 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 enable high speed of processing and ease of change of priority, by comparing the priority information on the common interruption priority signal line between the interruption processor and the interruption request unit, with the priority of itself, and stopping the delivery of priority information when the order of itself is low.
CONSTITUTION: The output of the interruption priority number set circuit 11 delivers the priority of itself to the interruption priority signal line 4 via the interruption priority number delivery register 12. The signal line 4 is common to each interruption request unit, and the priority delivered by other units is input to the priority comparison circuit 13 through the receivers 19-0W19-3. The comparison circuit 13 sequentially compares the priority of itself 21-0W21-3 with the priority given by the other units, based on the comparison clock pulse 6 from the interruption processor, and if the priority of itself is low, the interruption priority number delivery register 12 is reset and the delivery of signal to the siganal line 4 is stopped.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11491079A JPS5638643A (en) | 1979-09-07 | 1979-09-07 | Interruption priority processing system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11491079A JPS5638643A (en) | 1979-09-07 | 1979-09-07 | Interruption priority processing system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5638643A true JPS5638643A (en) | 1981-04-13 |
Family
ID=14649683
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11491079A Pending JPS5638643A (en) | 1979-09-07 | 1979-09-07 | Interruption priority processing system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5638643A (en) |
-
1979
- 1979-09-07 JP JP11491079A patent/JPS5638643A/en active Pending
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