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SubjectRe: NOP instruction
I first learned assembly on my 69B09e... It had some great stuff, and it
could do great things! The only processer I ever did much work on with
a SEX instruction. (Sign extend).

Jamie

The Lost Wizard wrote:
>
> On Wed, 16 Dec 1998, Chris Wedgwood wrote:
>
> > Several architectures have real NOPs -- Intel might be one of the few
> > that doesn't.
> >
> > (Hoping everyone will jump in with their favorite arch. now)
>
> Well, here's an archaic one for you: The Motorola 6809 processor had a
> separate NOP coded as 12h (10h, 11h were "prefixes", 13h-1fh were misc
> instructions). Granted, it's an 8 bit processor :) (Mind you, any
> "invalid" opcodes acted as NOPs as well under that one)
>
> William Astle
>
> ------------------------------
> Floppity, floppity, flip
> The mouse on the mobius strip;
> The strip revolved,
> The mouse dissolved
> In a chronodimensional skip.
> ------------------------------
>
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