JPS5671145A - Information processing device - Google Patents
Information processing deviceInfo
- Publication number
- JPS5671145A JPS5671145A JP14798079A JP14798079A JPS5671145A JP S5671145 A JPS5671145 A JP S5671145A JP 14798079 A JP14798079 A JP 14798079A JP 14798079 A JP14798079 A JP 14798079A JP S5671145 A JPS5671145 A JP S5671145A
- Authority
- JP
- Japan
- Prior art keywords
- correction
- address
- control memory
- error
- counter
- 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 correct micro instructions and execute the program again without sacrifice of the processing speed for troubles in the control memory, by giving a constitution where error detection and correction based on the check bit are performed only for occurrence of parity errors.
CONSTITUTION: The micro instruction read from control memory part 11 according to the address set into micro address counter 12 is checked for parity by parity check circuit 13. If an error is detected, the interrupt signal is applied to the operation processing part through NAND gate 14, and the start address of the microprogram (MP) for error correction stored in the control memory part is set to counter 12, and the control is brancked to MP for correction, and the check bit stored in the control memory part is used to correct the error in the operation processing part. When agreement between the address for the correction micro instruction held in address register 16 and contents of counter 12 is detected by comparing circuit 17, the correction micro instruction held in data register 15 is taken out by selector 18 selectively.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14798079A JPS5671145A (en) | 1979-11-15 | 1979-11-15 | Information processing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14798079A JPS5671145A (en) | 1979-11-15 | 1979-11-15 | Information processing device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5671145A true JPS5671145A (en) | 1981-06-13 |
Family
ID=15442441
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14798079A Pending JPS5671145A (en) | 1979-11-15 | 1979-11-15 | Information processing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5671145A (en) |
-
1979
- 1979-11-15 JP JP14798079A patent/JPS5671145A/en active Pending
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