JPS5525119A - Microprogram controller - Google Patents
Microprogram controllerInfo
- Publication number
- JPS5525119A JPS5525119A JP9720278A JP9720278A JPS5525119A JP S5525119 A JPS5525119 A JP S5525119A JP 9720278 A JP9720278 A JP 9720278A JP 9720278 A JP9720278 A JP 9720278A JP S5525119 A JPS5525119 A JP S5525119A
- Authority
- JP
- Japan
- Prior art keywords
- microinstruction
- register
- address
- error
- microprogram
- 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
- Debugging And Monitoring (AREA)
Abstract
PURPOSE: To extract instructions from a provied register, where microinstructions stand by in the execution of a microprogram, when an error occurs and then to reexecute them.
CONSTITUTION: Microinstruction addresses in address register 1 are supplied to stand-by register 4 via signal line 3; corresponding microinstruction data from cotrol memory 5, on the other hand, are set to microinstruction register 6 where check 11 on an error is made, and when no error is found, they are decoded 12, thereby performing fixed logical operation. If an error is detected through check 11, timing stop 14 is made and the execution of microorder 13 is stopped; and microinstruction address generating circuit start signal 15 is sent to microinstruction address of a microinstruction data correction microprogram is sent to register 1, so that instructions in the address in method 4 having recovered will be reexecuted on the basis of the initial address.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9720278A JPS5525119A (en) | 1978-08-11 | 1978-08-11 | Microprogram controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9720278A JPS5525119A (en) | 1978-08-11 | 1978-08-11 | Microprogram controller |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5525119A true JPS5525119A (en) | 1980-02-22 |
Family
ID=14186014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9720278A Pending JPS5525119A (en) | 1978-08-11 | 1978-08-11 | Microprogram controller |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5525119A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5968060A (en) * | 1982-10-13 | 1984-04-17 | Hitachi Ltd | Retrial system of control memory |
JPS59173849A (en) * | 1983-03-24 | 1984-10-02 | Nec Corp | Data processing device |
JPS6178196U (en) * | 1984-10-29 | 1986-05-26 |
-
1978
- 1978-08-11 JP JP9720278A patent/JPS5525119A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5968060A (en) * | 1982-10-13 | 1984-04-17 | Hitachi Ltd | Retrial system of control memory |
JPS59173849A (en) * | 1983-03-24 | 1984-10-02 | Nec Corp | Data processing device |
JPS6178196U (en) * | 1984-10-29 | 1986-05-26 |
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