>Next problem though has got me.
>
>        decfsz  count_ts        ; decrease counter if not zero
>;
>        addlw   .0              ; put 0 in w reg

This does NOT put 0 in w reg, use movlw .0 to do that

>        xorlw   count_ts        ; is counter at 0
>        btfsc   status,Z
>        bcf     flag,0          ; yes so set flag,0 to 0
>;
>
>As you van see, I'm decreasing a counter on a program loop. When the
>counter reaches 0, I want to set the flag,0 bit to 0. Thing is the xorlw
>or the btfsc is not picking up the 0 in count_ts.
>

if the flag is not used in an interrupt routine you could do the following

        bcf     flag,0
        decfsz  count_ts,f
        bsf     flag,1          ; set bit if counter not zero

michael