On Fri, 1 Feb 2002, Peter Onion wrote:

> On 01-Feb-02 Sean Alcorn - Avion Sydney wrote:
> >
> >> Have you tried running and monitoring it in MPLAB ? (with and
> >> without the delay500 enabled)
> >
> > No. I have never had any success running in MPLAB! It takes far too long!!!
> >
>
> Take a hint Sean :-)  Finding this sort of bug is exactly the sort of thing
> that simulators were designed for !
>
> The reason it "It takes far too long!!!" in MPLAB is probably the same reason
> it seems to go around the loop too many times on a real PIC.
>
> Watch the value of COUNTER and see if it is being changed in unexpected places
> in the code.

You may wish to investigate gpsim as your debugger. It can handle both of
the issues raised here: 1) Execution speed; gpsim runs faster than a real
PIC 2) Watching registers for you; You can set break points on register
reads or writes (you can even set break points on register bits).

http://www.dattalo.com/gnupic/gpsim.html

Scott

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