> > Some memory map info:
> >     Main code (init stuff and main loop): 0x0005 thru 0x00E2.
> >     Subroutines: 0x00E3 thru 0x0020E
> >     ISR:  0x020F thru 0x0244
>
> You just pushed your interrupt handler from page 1 to page 2. Are you
> properly handling PCLATH in the handler save/restore code?

All his code is on page 0, which extends from 0 to 7FF.  The 16F872 only has
this single page anyway.


*****************************************************************
Embed Inc, embedded system specialists in Littleton Massachusetts
(978) 742-9014, http://www.embedinc.com

--
http://www.piclist.com hint: The list server can filter out subtopics
(like ads or off topics) for you. See http://www.piclist.com/#topics