On Sat, 15 Jun 2002, Dmitriy A. Kiryashov wrote:

>Hi Peter.
>
>2nd look...
>
>Base_4 inc/dec is obvious and not interesting.

;-)

>;Base_3 inc / File 1.0 used, other bits are preserved
>;inc(0)=1 Cy=0, inc(1)=2 Cy=0, inc(2)=0 Cy=1, ...
>
>movlw   1
>btfsc   File,1  ; ==2? 2+1=3 -> 0
>movlw   -2
>addwf   File,F
>
>;Base_3 dec / File 1.0 used, other bits are preserved
>;dec(2)=1 Cy=1, dec(1)=0 Cy=1, dec(0)=2 Cy=0, ...
>
>movlw   2
>btfss   File,1 <----
>btfsc   File,0 <----
>movlw   -1
>addwf   File,F

This is a neat trick that I need to practice. Thank you very much Dmitry.

>WBR Dmitry.

PS: Which one is the right spelling of your name in English ? The one you
sign with or the one your email program puts up ?

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