Ken Parkyn <PICLIST@MITVMA.MIT.EDU> wrote:

> anyone see what I've done wrong?
> ....
>
> main    movf    PORTA,W ;read select address into w
>         movwf   ADRESS  ;store this in ADRESS
>         call    tableb  ;call lookup table for port B
>         movwf   PORTB   ;put result out to port B
>         movwf   ADRESS  ;restore data from ADRESS
>         call    tablec  ;call lookup table for port C
>         movwf   PORTC   ;put result out to port C
>         movwf   ADRESS  ;restore data from ADRESS
>         call    tabled  ;call lookup table for port D
>         movwf   PORTD   ;put result out to port D
>         goto    main    ;repeat

    Ken:

    The second and third "movwf ADRESS" lines should read "movf
    ADRESS,W".

    -Andy

=== Andrew Warren - fastfwd@ix.netcom.com
=== Fast Forward Engineering - Vista, California
=== http://www.geocities.com/SiliconValley/2499