> If I'm not mistaken here, you are always saving d'008' to
> W_TEMP, not ? Should not "MOVWF      W_TEMP" come
> *before*  "MOVLW     d'008'" ? Something like this :

And you'll probably need to tinker with that reload value slightly
to account for all ICs used before the value actually gets into the
TMR0 register

http://www.piclist.com/techref/microchip/timer.htm

You only need to clear T0IF. T0IE is still set during the ISR but
GIE is not

--
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