>Date: Tue, 29 Apr 1997 10:52:06 -0700
>From: darrel.johansen@Microchip.COM (Darrel Johansen)
>Subject: Re: Bug In MPLAB 3.22 ?
>
>     Bruno,
>     Yes, you've found a bug.  We'll put it on the schedule to fix it.
>     Thanks,
>
>     Darrel
>
>______________________________ Reply Separator
_________________________________
>Subject: Bug In MPLAB 3.22 ?
>Author:  Bruno Rodeghiero <brurodeg@tin.it> at Internet_Exchange
>Date:    4/28/97 11:01 PM
>
>
>****** Copy of the message sent to the PICLIST *******
><snip>
>
>Perhaps I got a BUG, I dont'know if it' already a known one..
>
>When I put (or I forget I had put ) a breakpoint - with the mouse
>right-button or with the Breakpoint Setting Window - in a Subroutine,
>if I use STEP OVER key in the main - trying to jump over the subroutine
>- the program will _not_ stop at the breakpoint, and, when the program
>returns to the main program, in the STACK window I still see the
>subroutine address.( call OxZZ ).
>
>Furthermore, the values in the register are those active at the
>Breakpoint, not those at the RETLW ..... I think MPLAB-SIM uses the
>breakpoint as a "Return" code..
>
>If the sub address does'nt pop out from the SIMULATOR stack, next time
>I will use - in my program - a double CALL I will get a STACK OVERFLOW error.
>
>I was lucky, because I didn't yet realized that the STEPPED-OVER
>subroutine doesn' behave as the STEPPED-IN until I went hunting for
>that misterious error..
>
>Perhaps this problem could be happening only simulating a PIC16C57 ?
>
>I developed also a very simple Test program ( only some NOP and a
>couple of CALL ) and I got the same result so it is not in my code.
>
>In my analysis, there are two conflicting command to MPLAB (STEP_OVER
>and BREAK ) but I think that it shouldn't happen , simply the Break
>should be executed anyway and the STEP_OVER used as a RUN_TO_BREAKPOINT
>command...
>
><snip>
>
>Dear Darrel
>I had no answer to this message, but I think that IT IS A BUG.. AND
>VERY ANNOYING, TOO.
>
-------------

Copy of Private message for the PICLIST..
Have fun.



================================
Bruno Rodeghiero i3RGH
Bassano del Grappa (VI) ITALY
mailto:brurodeg@tin.it
================================