Dmitry Kiryashov wrote:
>
> Scott Dattalo wrote:
> >
> > ; i=n= 0
> >
> >      rrf I,w
> >      rlf N,f
> >
> > But that affects the other bits and is probably not acceptable.
>
> Could be: (.0 to .0 or whatever)
>
>         rrf     N,F     ;push .0 out save old Cy inside
>         rrf     I,W     ;copy .0 to Cy
>         rlf     N,F     ;copy Cy to .0 restore old Cy
>
> Here is no parallel operations at all and for this case
> number 3 is seems to be another magical number for PIC ;)


Dmitry, doesn't the rrf I,W destroy the carry bit,
ie puts the old W.7 in carry bit? Then your next
instruction won't restore it??
-Roman

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