Date : Wed, 29 Jul 1992 19:27:41 GMT
From : ub!acsu.buffalo.edu!spt@rutgers.edu (Scott P. Toenniessen)
Subject: Re: Undocumented Z80 Opcodes
In article <9207271025.AA20373@LL.MIT.EDU> sage@LL.MIT.EDU (Jay Sage) writes:
>
> I completely agree with Joe's implication that unsupported opcodes and
>unsupported programming language features simply should NOT be used. As far
I would agree with that too. Pretty funny that Tandy (king of telling
owners, "Don't use undocumented ROM/Op system calls!") used undocumented
codes in Model III TRSDOS. When the Z180 speed up board came out for the
Mod. 4, this became readily apparant.
Scott
End of INFO-CPM Digest V92 Issue #77
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