Excellent!

Bob Ammerman
RAm Systems

----- Original Message -----
From: "Dmitriy A. Kiryashov" <vze27bym@VERIZON.NET>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Saturday, March 09, 2002 11:36 AM
Subject: Re: Bit operation quiz...


> Hi Bob and guys.
>
> John Payson would be offered this.
>
> movfw   DATAIN          ;abcd efgh > abcd hgfe
> btfsc   DATAIN,0        ;exchange e and h
> xorlw   0x09
> btfsc   DATAIN,3
> xorlw   0x09
> btfsc   DATAIN,1        ;exchange f anf g
> xorlw   0x06
> btfsc   DATAIN,2
> xorlw   0x06
>
> 1 clock less, result in W as well.
>
> WBR Dmitry.

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