yes. I did. I have no idea where the lw came from :)

----- Original Message -----
From: "Pic Dude" <picdude@AVN-TECH.COM>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Friday, March 15, 2002 1:50 AM
Subject: Re: [PIC]: xor trick


> You probably mean "xorwf ..." for the 3rd statement in the first
> example.
>
>
> ----- Original Message -----
> From: "Jon Baker" <jon@HAYSEED.NET>
> To: <PICLIST@MITVMA.MIT.EDU>
> Sent: Thursday, March 14, 2002 7:28 PM
> Subject: [PIC]: xor trick
>
>
> > I'm sure everybody knows the xor trick to swap W and a F register:
> > xorwf reg,f
> > xorwf reg,w
> > xorlw reg,f
> >
> > to swap two file registers without using a temp register and without
> > destroying to contents of W
> > you can swap F1 with W, F2 with W and F1 with W which uses 9
instructions.
> > Can the same
> > be done in fewer instructions?
> >
> > Jon Baker
> >
> > --
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> >
> >
>
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