[A83] Re: tst + tstio instructions


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[A83] Re: tst + tstio instructions




I read that MLT on Z80 becomes another NEG.


>From: "Kirk Meyer" <kirk.meyer@colorado.edu>
>Reply-To: assembly-83@lists.ticalc.org
>To: <assembly-83@lists.ticalc.org>
>Subject: [A83] Re: tst + tstio instructions
>Date: Mon, 2 Jul 2001 08:06:48 -0600
>
>
>Er actually that's not quite true -- often Z180 instructions do 
>undocumented
>things on Z80, but usually not anything useful, such as MLT actually
>multiplying numbers for example =) If you're interested in what the
>instructions do anyway, they're described in Ch 13 of the Zilog manual.
>
>-----Original Message-----
>From: assembly-83-bounce@lists.ticalc.org
>[mailto:assembly-83-bounce@lists.ticalc.org]On Behalf Of Kirk Meyer
>Sent: Monday, July 02, 2001 8:02 AM
>To: assembly-83@lists.ticalc.org
>Subject: [A83] Re: tst + tstio instructions
>
>
>
>On Z80, Nothing. Anything in tasm80.tab with a 1 at the end means its a 
>Z180
>instruction. Other instructions in this class include SLP and MLT.
>
>
>

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