Z80 Divide by 10
trixter at oldskool.org
Mon Jan 28 17:35:46 CST 2008
Fred Cisin wrote:
>>> Can we just shoot the designers of the 8086 and just leave it that. !?
> On Mon, 28 Jan 2008, Jim Leonard wrote:
>> But seriously -- why? I didn't find it all that horrible -- in fact, I
>> missed the string handling (REP MOVSW/STOSW/SCASW/etc.) on all the other
>> platforms I mentioned. If they truly deserve to be shot, I want to know
>> why :-)
> Some people get rather upset at the lack of symmetry, and lack of certain
> instructions that might be handy, such as a load immediate into segment
Hm... Yeah, I guess that was a hassle. 808x you have to:
...etc. Still, two instructions vs. one isn't that big a deal; I got
used to it.
I guess the one annoying thing with 808x is that, 80286 and later, they
removed POP CS. So if you used that for tricks, it immediately dies on
anything other than an 808x.
Jim Leonard (trixter at oldskool.org) http://www.oldskool.org/
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