Re: NOP instruction

Chris Wedgwood (cw@ix.net.nz)
Wed, 16 Dec 1998 10:10:45 +1300


On Tue, Dec 15, 1998 at 09:34:41PM +1300, Bill Currie wrote:

> Are you *sure* (from the hip, here)? I would not be at all
> surprised if the bit encoding of the Z80's NOP was actually a
> special case of another instruction. Of course, I could be wrong,
> I don't *remember* the 6502's NOP being positioned where this was
> likely.

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)

-cw

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