> Tnx to David Duffy! I't helped... but I have now another problem....
> Why does it not work..... eh...?
>
>         MOVLW B'11111110'
>         MOVWF ROW4
>         CALL KOL4
>
>LOOPING
>         GOTO LOOPING
>


Is that an edit there? Or do you perhaps have a 1 instruction loop going
nowhere?