Why do you subtract decimal 58 from TMR0 on each pass through?
 Am I missing something?

                                          Regards,

                                            Jim


On Fri, 10 December 1999, Kev Howard wrote:

>
> Hello all!
>
> Back to the learning curve!
> Does this routine sound ok?:-
>
> using a pic12c508a /internal 4meg osc and max prescale
>
> ;deb58 is pre-loaded with decimal 58
>
> debounce                            ;58 x 256us = 14.8ms approx ( not
> including calls/return)
>
>         movfw   deb58       ;takes number from deb58
>         subwf   tmro,w      ;subtracts from tmro
>         btfss   status,z
>         goto    debounce
>         movlw   d'58'       ;resets deb58
>         addwf   deb58
>         return
>
> Thanks in advance for your help
>
> Kev

jim@jpes.com