Messages in this thread | | | From | (H. Peter Anvin) | Subject | Re: NOP instruction | Date | 15 Dec 1998 18:04:19 GMT |
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Followup to: <36761F21.B87E970D@taniwha.tssc.co.nz> By author: Bill Currie <bill@taniwha.tssc.co.nz> In newsgroup: linux.dev.kernel > > > Hmmm... Where's the time from the good ol' Z80 when you HAD a real NOP > > instruction? *Sigh* :-) > > 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. >
The Z80 NOP was 00h, and I'm pretty sure it wasn't just a generalization of other opcodes.
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