> First, what processor ?

Excellent question.

> >       movfw LOOP        ; LOOP to w
> >       call  DIGIT_T

There is a slight chance of a stack overflow here (depending on processor type).

> > DIGIT_T     ; 3 digit display table
> >       addwf pcl,f       ; Jump into lookup table
> >             ; _____321'
> >       retlw b'11111011' ; Segment 3
> >       retlw b'11111101' ; Segment 2
> >       retlw b'11111110' ; Segment 1
>
> Depending on the processor (> 2 Kwords flash) you *could*
> have a PCLATH problem here.

Not > 2 KWord. Already at 256 word boundaries this could create
problems. You HAVE to make sure where the table is.

Greetings,
Maarten Hofman.

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