On Wed, Oct 24, 2001 at 01:35:14PM -0400, andy n1yew wrote:
> hows about:
>                     CALL TESTZERO
>
> TESTZERO MOVF       TESTME,W
>                     SUBLW     0
>                     BTFSC      STATUS,Z
>                     GOTO       ZEROROUTINE
>                     GOTO       NOTZEROROUTINE
>

The sublw is unnecessary. MOVF affects the zero flag upon load. So if TESTME
is 0, then the zero flag will be set when moved.

An even better snippet that doesn't use W at all:

testzero        movf    testme,F
                btfsc   STATUS,Z
                goto    zeroroutine
                goto    notzeroroutine

BAJ

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