At 10:13 PM 18/3/97 -0500, you wrote:
>Say folks,
>
>In the past to test a register for the existence of zero I would perform
>some sort of mask operation.  This time I thought I would try my hand at
>using the ZERO STATUS BIT.
>
>hasn't worked yet.
>
>Apparently I've got to first SET the zero bit PRIOR to performing a move
>operation?  What I noticed is that ANY operation, zero or not, with
>instructions like MOVF, or DECF will CLEAR the zero bit!
>
>Any advice on how to check a register for zero?  It seems like such a
>silly question, but I haven't been successful at it yet.

use:
 movf register,f

to test register for Zero

antti




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