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CHAPTER2 Dependence Functions
2.4.6.6 Data Watch Break
This break function suspends program execution when the program reaches a specified
instruction address while the value in the specified data address matches with specified
data.
■ Data Watch Break
This break function suspends program execution when the program reaches a specified instrution address
while the value in the specified data address matches with specified data. Up to 2 points can be set.
The following message is displayed in the status bar, when a data watch break occurs.
Break at address by breakpoint (data watch)
The break conditions for the data watch break are shown in the Figure 2.4-6 .
Figure 2.4-6 The break conditions for the data watch break
■ How to set
Data watch break can be controlled as follows.
● Data watch break
• Dialog
- "Code" tab in the breakpoint setting dialog
"Hardware/data watch"
For details, refer to "4.6.4 Break Point" of "SOFTUNE Workbench Operation Manual".
• Command
- SET BREAK/DATAWATCH
For details, refer to "3.3 SET BREAK (type 3)" of "SOFTUNE Workbench Command Reference
Manual".
Program flow
Data Area
Specified
address
When data does not match,
no break occurs.
When data matches,
a break occurs.
Data match
instruction
Specified
address
instruction