Renesas M16C/64 Network Card User Manual


 
R0E530640MCU00 User’s Manual 3. Tutorial
REJ10J1733-0100 Rev.1.00 Apr. 01, 2008
Page 53 of 229
3.15 Hardware Break Facility
Hardware breaks cause the program to stop when it executes a specified address (instruction fetch) or reads or writes to a
specified memory location (data access).
3.15.1 Stopping a Program when It Executes a Specified Address
The Editor window permits you to set an instruction fetch event easily. For example, you can set an instruction fetch event at a
place where the sort function is called.
Double-click a row in the Event column corresponding to the source line that includes a sort function call.
Figure 3.27 Editor window (setting a hardware breakpoint)
The source line that includes the sort function will be marked with
, indicating that a hardware breakpoint that will cause a
program to stop when it fetches an instruction has been set there.