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CHAPTER 2 DEPENDENCE FUNCTIONS
2.6.6.5 Data Watch Break
This special 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 special 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. 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 illustrated in the Figure 2.6-3.
Figure 2.6-3 Break Conditions for Data Watch Break
■ How to set
Control the data watch break in the following methods:
● Data watch break
• Command
- SET BREAK/DATAWATCH
Refer to "3.3 SET BREAK(type3)" in "SOFTUNE Workbench Command Reference Manual".
• Dialog
- "Code" tab in the breakpoint setting dialog
"Hardware/data watch"
Refer to "4.6.4 Breakpoint" in "SOFTUNE Workbench Operation Manual".
Program flow
Data watch
Specified
address
When data does not match,
no break occurs.
When data matches,
a break occurs.
Data match
instruction
Specified
address
instruction