Thank you for the help, that was the problem.  MPLAB does not prompt you
for the chip setup like if does when you program them.  Thanks again, took
a nap and woke up to solution to my frustrations.

Andrew Warren wrote:

> David Sprenkle <PICLIST@MITVMA.MIT.EDU> wrote:
>
> > I am using the 12C508 for the processor.
> >
> > I am trying to debug a program by stepping through it using the
> > simulator.  Like I said changing the input on pin GP3 to 0 using the
> > Modify dialog box or simulator stimulus file make the simulator stay
> > at the 01FF address.
>
> David:
>
> The 12C508's pin 4 serves a dual-purpose; it can be configured as
> either GP3 (as you desire) or MCLR.
>
> It sounds as though you've configured it as MCLR; check the chip
> configuration and make sure that MCLR is disabled.
>
> -Andy
>
> === Andrew Warren - fastfwd@ix.netcom.com
> === Fast Forward Engineering - Vista, California
> === http://www.geocities.com/SiliconValley/2499



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