James & Ili <PICLIST@MITVMA.MIT.EDU> wrote:

> I'm just trying to grasp the concept of 2 byte variables. Suppose I
> had a counter and I wanted to count into a 2 byte variable, could I
> use code like this?
>
> incf    count, f

    James & Ili:

    No; "INCF" works on single registers only.

> or would I have to use something like
>
> incf    count.low, f
> skpnc
> incf    count.high, f

    You have the right idea, but that particular method won't work,
    since "INCF" doesn't affect the Carry flag.

    Instead, you can use the Zero flag:

        incf    countlo
        skpnz
        incf    counthi

    -Andy

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