JPS6454546A - Trace system for program - Google Patents
Trace system for programInfo
- Publication number
- JPS6454546A JPS6454546A JP62211200A JP21120087A JPS6454546A JP S6454546 A JPS6454546 A JP S6454546A JP 62211200 A JP62211200 A JP 62211200A JP 21120087 A JP21120087 A JP 21120087A JP S6454546 A JPS6454546 A JP S6454546A
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- register
- processor
- contents
- specific code
- 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 sufficiently obtain minute trace information without making a processor large in size, by providing a trace register and an output terminal of its contents, on the processor, and outputting a specific code contained in a processing routine. CONSTITUTION:A trace register 12 and an output terminal 16 of its contents, and a terminal 18 to which a signal S for showing a fact that a data of the register 12 has been varied is applied are provided on a processor 10 for controlling peripheral equipments A, B. In this state, in case when the processor 10 executes a processing in accordance with an interruption request from the equipments A, B, an instruction for storing a specific code allocated to its processing routine, in the register 12 is inserted in advance into a suitable part of each processing routine of a firmware. Accordingly, whenever the specific code is set to the register 12, the signal S appears in the terminal 18, therefore, when a data input terminal of a logic scope, etc. and a data input use signal terminal are connected to the terminal 16 and the terminal 18, respectively, the contents of the register 12 can be observed visually. In such a way, minute trace information can be obtained enough without making the processor 10 large in size.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62211200A JPS6454546A (en) | 1987-08-25 | 1987-08-25 | Trace system for program |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62211200A JPS6454546A (en) | 1987-08-25 | 1987-08-25 | Trace system for program |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6454546A true JPS6454546A (en) | 1989-03-02 |
Family
ID=16602022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62211200A Pending JPS6454546A (en) | 1987-08-25 | 1987-08-25 | Trace system for program |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6454546A (en) |
-
1987
- 1987-08-25 JP JP62211200A patent/JPS6454546A/en active Pending
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