Thanks Dwayne and Dario,

Finally I choose the safest option instead of the incfsz "correct"
behaviour, so looking at the top most bit to change and works great.

Thanks again
Tamas




On Feb 16, 2008 8:26 PM, Dwayne Reid <dwayner@planet.eon.net> wrote:

> At 10:04 AM 2/16/2008, Tamas Rudnai wrote:
> >Hi All,
> >
> >I could not get any information on this:
> >
> >I have a 10F200, and when decreasing FSR with decfsz, it could not
> identify
> >that it reached the 0, az the bits <7-5> is always 1...
> >Same with decf, Z would not go high.
>
> This is expected behavior.  As you mention, bits 7..5 always read as
> "1".  Datasheet DS41239A page 23.
>
>
> >When I use incfsz, it seems that it works perfectly - I suppose because
> >before the instruction the value was 0xFF . . .
>
> Also expected behavior, for exactly the reason you mention.
>
> dwayne
>
> --
> Dwayne Reid   <dwayner@planet.eon.net>
> Trinity Electronics Systems Ltd    Edmonton, AB, CANADA
> (780) 489-3199 voice          (780) 487-6397 fax
> www.trinity-electronics.com
> Custom Electronics Design and Manufacturing
>
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