ummmm....easy

use TMR0 as an interupt for incrementing time

check flag for status of input bit inside ISR

increment register(s) if bit is on(off)

_________________________________________________________________
Send instant messages to anyone on your contact list with  MSN Messenger
6.0.  Try it now FREE!  http://msnmessenger-download.com

--
http://www.piclist.com hint: The PICList is archived three different
ways.  See http://www.piclist.com/#archives for details.