From: Rainer Buchty (buchty_at_cs.tum.edu)
Date: 2004-07-03 17:04:05
> This supported the idea that all known illegal codes are just a
> by-product of the legal ones. But we don't know how the original
> engineers exactly implemented the instructions, so wanting to have all
> illegal codes simply means extra work for us mortals.
It depends on the implementation. If you stay close to the hardware, then
I'd agree that the illegal opcodes nearly come in for free, e.g. the
register routing comes to my mind which probably covers most of the useful
stuff (like LAX).
Rainer
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