Executing Anomalistic Steps - Renesas M16C R8C UART Debugger User Manual

5.9. Executing Anomalistic Steps

• Software interrupt instruction
Instructions that generate software interrupts (undefined instruction, BRK instruction,
and INT instruction) cannot be continuously step executed in the instruction internal
processing.
Example: INT instruction
NOP
NOP
INT
NOP
JMP
INT_3:
NOP
NOP
NOP
REIT
• INT instruction
To debug the program using the INT instruction, set the software break for the INT
instruction process and use the Go command.
Example:
NOP
INT
NOP
JMP
INT_3:
NOP
NOP
REIT
#3
INT instruction is skipped over
when performing step execution
MAIN
Address at which program
execution should stop
#3
MAIN
Break
27
Executed by the Go
command