Excellent!!

just a minor bit of subtraction to find the actual number of samples and
home free.  Many thanks.

dwayne

>
>Sure! This will get you back down to 5 cycles per sample and
>it can be scaled to how ever many bytes you wish. I show 3
>just as an example.
>
>        MOVLW   C_LOW
>        MOVWF   count_low
>
>        MOVLW   C_MID
>        MOVWF   count_mid
>
>        MOVLW   C_HIGH
>        MOVWF   count_high
>
>s1:
>        BTFSC   IOPORT,IOBIT
>         goto   went_high
>
>        DECFSZ  count_low,F
>         goto   s1
>
>        NOP
>
>        BTFSC   IOPORT,IOBIT
>         goto   went_high
>
>        DECFSZ  count_mid,F
>         goto   s1
>
>        NOP
>
>        BTFSC   IOPORT,IOBIT
>         goto   went_high
>
>        DECFSZ  count_high,F
>         goto   s1
>
>time_out:
>
>The three-byte count is pre-loaded with the desired time-out. If
>the code reaches the label 'time_out' then the IOPORT didn't
>change states.
>
>One caveat: The three byte count is actually:
>
>COUNT = C_LOW + 257*C_MID + 257^2 * C_HIGH
>
>(note 257 and not 256). So to preset the count you'll need to do
>something like:
>
>
>C_LOW   EQU     COUNT % 257
>C_MID   EQU     (COUNT / 257) % 257
>C_HIGH  EQU     (COUNT / 257 / 257) % 257
>
>Scott
>
>