> Van: Sean Breheny <shb7@CORNELL.EDU>
> Aan: PICLIST@MITVMA.MIT.EDU
> Onderwerp: Re: Increment/Decrement "w"
> Datum: donderdag 24 juni 1999 4:34
>
> At 09:06 AM 6/24/99 +1000, you wrote:
> >Was it April fools day yesterday?
> >
> >Sorry about my little snippet, it obviously doesn't work.
> >
> >Here's some more to make up.
> >
> >Rotate a value without using carry.
> >
> >rlf RAM,w
> >rlf RAM
>
> I'm afraid I don't get this one. Why isn't carry affected? In fact, if it
> weren't affected,the first line would do nothing to affect the second.

Sean, the normal Rotate-instructions are 9-bit (Carry into lowest bit,
highest bit into Carry).  This modification creates a 8-bit Rotate.
(Highest bit into Lowest bit).

Greetz,
  Rudy Wieser