Yes, there is much conflicting information about these instructions on the
net. If you like, you can watch z26 execute these instructions by using:
z26 -t filename.bin
This causes a file called z26.log to be built which traces the execution of
the instructions showing the registers. There is also some other
interesting information for each instruction executed but I leave it up to
you to figure out what all of the columns of numbers mean. ;-)
But I'm pretty sure z26 does these instructions correctly.
John
> I haven't found many differences, mostly different
> mnemonics. But sha, shs, shx and shy are explained a
> bit more complicated in undoc.asm. There are also
> other sources in the internet, with more different
> informations. Look at
> http://wwwstud.ira.uka.de/~s_tomczy/opcodes.html
>
> So someone must check these opcodes.
>
> Thomas
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