JPS567149A - Interruption control method - Google Patents
Interruption control methodInfo
- Publication number
- JPS567149A JPS567149A JP8202379A JP8202379A JPS567149A JP S567149 A JPS567149 A JP S567149A JP 8202379 A JP8202379 A JP 8202379A JP 8202379 A JP8202379 A JP 8202379A JP S567149 A JPS567149 A JP S567149A
- Authority
- JP
- Japan
- Prior art keywords
- interruption
- memory
- action
- address
- contents
- 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
Landscapes
- Detection And Correction Of Errors (AREA)
Abstract
PURPOSE: To secure the normal continuation of the interruption process without causing any system breakdown, by setting forcedly all bits to "on" in case the parity error is detected in the read contents of the interruption request register memory.
CONSTITUTION: Interruption request register memory 300 in the transfer device is always scanned, and the interruption action is given to the CPU by referring the information of the memory region corresponding to channel control unit 200 when the bit reads out the contents of "1". In case the parity error is detected in the read contents of memory 300 at the request register time or the scanning time to memory 300, control circuit 320 gives the indication to write "all 1" to partial writing circuit 330 through bus 408. Then "all 1" is written to the address shown by address register 340, i.e., the address that has just been read out. Accordingly, the interruption request can always be found out by scanning action to perform the interruption action at all times. Thus the alteration has been given so as to secure the normal operation for the device as a whole. And accordingly, the worst fault such as the system breakdown or the like can be avoided.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8202379A JPS567149A (en) | 1979-06-30 | 1979-06-30 | Interruption control method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8202379A JPS567149A (en) | 1979-06-30 | 1979-06-30 | Interruption control method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS567149A true JPS567149A (en) | 1981-01-24 |
Family
ID=13762921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8202379A Pending JPS567149A (en) | 1979-06-30 | 1979-06-30 | Interruption control method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS567149A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02151936A (en) * | 1988-11-28 | 1990-06-11 | Internatl Business Mach Corp <Ibm> | Error processing for change bit |
-
1979
- 1979-06-30 JP JP8202379A patent/JPS567149A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02151936A (en) * | 1988-11-28 | 1990-06-11 | Internatl Business Mach Corp <Ibm> | Error processing for change bit |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5637883A (en) | Information rewrite system | |
JPS5622143A (en) | Error processing system | |
JPS5680872A (en) | Buffer memory control system | |
JPS567149A (en) | Interruption control method | |
JPS5744294A (en) | Alternating memory control system | |
JPS5622291A (en) | Bit error correction method for memory | |
JPS5580895A (en) | Memory system | |
JPS563485A (en) | Buffer memory device | |
JPS5374849A (en) | Checking method for writing data | |
JPS5564693A (en) | Buffer memory unit | |
JPS55122299A (en) | Memory unit | |
JPS5452950A (en) | Error detecting/correcting system | |
JPS5580894A (en) | Error recovery system for control memory | |
JPS5693191A (en) | Memory error correction and automatic diagnosis system | |
JPS5617442A (en) | Parity error processing system | |
JPS55146681A (en) | Buffer memory correction system | |
JPS5592956A (en) | Fault detection system of information processing system | |
JPS5361236A (en) | Memory access control system | |
JPS56163600A (en) | Memory control system | |
JPS54142022A (en) | Information processor | |
JPS55101179A (en) | Information transfer system | |
JPS5549764A (en) | Memory control system | |
JPS55117799A (en) | Fault processing system | |
JPS54142942A (en) | Address checking system | |
JPS5552598A (en) | Data processor |