single step into an interrupt routine

"BEFORE_GO is called by the monitor every time it passes control to your program
AFTER_GO is called every time your program passes control back to Mon51, i.e. during a Breakpoint or during Single Step."

I disassemble the mon51,I found mon51 never
call BEFORE_GO and AFTER_GO,Why? my keil version is V7.1

"BEFORE_GO is called by the monitor every time it passes control to your program
AFTER_GO is called every time your program passes control back to Mon51, i.e. during a Breakpoint or during Single Step."

I disassemble the mon51,I found mon51 never
call BEFORE_GO and AFTER_GO,Why? my keil version is V7.1

I disassemble the mon51,I found mon51 never call BEFORE_GO and AFTER_GO,Why? my keil version is V7.1

Hmmm. We use it all the time for custom monitor configurations and it gets called.

Have you tried it to see if it works? You could set a port bit in BEFORE_GO and reset the bit in AFTER_GO and use a scope or logic probe to verify.

Jon

thanks Jon,I followed what you said,I can see it works. could you please tell me detail about mon51？thanks! my mail:tomsbao@hotmail.com