JPS5534745A - Microprogram tracer - Google Patents
Microprogram tracerInfo
- Publication number
- JPS5534745A JPS5534745A JP10760278A JP10760278A JPS5534745A JP S5534745 A JPS5534745 A JP S5534745A JP 10760278 A JP10760278 A JP 10760278A JP 10760278 A JP10760278 A JP 10760278A JP S5534745 A JPS5534745 A JP S5534745A
- Authority
- JP
- Japan
- Prior art keywords
- microprogram
- address
- register
- trace
- next execution
- 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 make it possible to execute a trace object microprogram from a trace control program step by step by adding a hardware only for trace in the next execution address selection circuit of the microprogram.
CONSTITUTION: Standby microprogram address register 22 for microprogram trace is provided in microprogram control circuit 11. Circuit 11 generates the next execution address by output 18 of micro-instruction register 13 and signal 39 from hardware 14. Next execution address designation field 30 outputs signal 70 which selects and indicates register 22, and a program addressed by contents of register 22 is executed. Meanwhile, the output of buffer for address is inhibited. Therefore, next execution address 16 is set to 0 forcedly, and contents of address 0 are set to register 13, and after that, the program from address 0 is executed in order. Before the operation above, a signal to set selection circuit 21 to register 22 is outputted.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10760278A JPS5534745A (en) | 1978-09-04 | 1978-09-04 | Microprogram tracer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10760278A JPS5534745A (en) | 1978-09-04 | 1978-09-04 | Microprogram tracer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5534745A true JPS5534745A (en) | 1980-03-11 |
Family
ID=14463322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10760278A Pending JPS5534745A (en) | 1978-09-04 | 1978-09-04 | Microprogram tracer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5534745A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5948356A (en) * | 1982-09-13 | 1984-03-19 | Toray Ind Inc | Take-up method of filament yarn |
JPH01102653A (en) * | 1987-10-14 | 1989-04-20 | Nec Corp | Microprogram control system |
-
1978
- 1978-09-04 JP JP10760278A patent/JPS5534745A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5948356A (en) * | 1982-09-13 | 1984-03-19 | Toray Ind Inc | Take-up method of filament yarn |
JPH0219067B2 (en) * | 1982-09-13 | 1990-04-27 | Toray Industries | |
JPH01102653A (en) * | 1987-10-14 | 1989-04-20 | Nec Corp | Microprogram control system |
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