Re: A85: Z80 Undocumented Instructions
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Re: A85: Z80 Undocumented Instructions
At 01:35 PM 8/16/97 -0500, you wrote:
>Michael Pearce wrote:
>>
>> Has anyone made an updated "tasm80.tab" file with the IXh, IXl, IYh,
>> and IYl instructions included?
>>
>> -mike pearce
>
>Undocumented instructions? What do you mean?!? For one thing, I
>couldn't find any IXh, IXl, IYh, or IYl instructions in the Z80 user's
>manual.. And why wouldn't Zilog document instructions? Wouldn't gain
>them anything by leaving them undocumented..
>--
>* * * * * * * * * * * * * * * * * * *
>* ~mozart <mozart@technologist.com> *
>* * * * * * * * * * * * * * * * * * *
>
http://www.cybernet.dk/users/tscherrer/z8/z80bugs.htm
Explains a bit of the why and lists them and their machine code equivalents.
-Andrew
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