>   movlw   b'00000100'       ;pre-scaler assigned to WDT ???
>   movwf   OPTION_R

My mistake - the "1" is actually PS2, not PSA. But that's typical
of what can happen if you play with unnamed bits rather than labels

Still no real need to be using OPTION in this program though,
maybe turn the PortB pull-ups off

--
http://www.piclist.com hint: To leave the PICList
mailto:piclist-unsubscribe-request@mitvma.mit.edu