JPS6457345A - Address tracing circuit - Google Patents
Address tracing circuitInfo
- Publication number
- JPS6457345A JPS6457345A JP62212848A JP21284887A JPS6457345A JP S6457345 A JPS6457345 A JP S6457345A JP 62212848 A JP62212848 A JP 62212848A JP 21284887 A JP21284887 A JP 21284887A JP S6457345 A JPS6457345 A JP S6457345A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- address tracing
- state
- processor
- instruction
- 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 more appropriately grasp the execution state of farmware at the time of generating a fault by selecting a specific hardware signal and controlling the ON/OFF of address tracing in accordance with the state of the selected signal. CONSTITUTION:A trace control part 11 selects a signal for turning on address tracing out of hardware signals S1-S4 based on an instruction obtained from a processor 12 through a control bus 13, and when the selected hardware signal goes to the state specified by the processor 12, an instruction for starting operation is outputted to an address tracing part 14 through a control line 15. Then, signal for turning off the address tracing is similarly selected and the selected hardware signal is goes to a state instructed by the processor 12, an instruction for ending operation is outputted to the address tracing part 14.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62212848A JPS6457345A (en) | 1987-08-28 | 1987-08-28 | Address tracing circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62212848A JPS6457345A (en) | 1987-08-28 | 1987-08-28 | Address tracing circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6457345A true JPS6457345A (en) | 1989-03-03 |
Family
ID=16629329
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62212848A Pending JPS6457345A (en) | 1987-08-28 | 1987-08-28 | Address tracing circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6457345A (en) |
-
1987
- 1987-08-28 JP JP62212848A patent/JPS6457345A/en active Pending
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