Re: [stella] "Illegal" opcodes

Subject: Re: [stella] "Illegal" opcodes
From: "Christian Groessler" <cpg@xxxxxxxxxx>
Date: Mon, 19 Jun 2000 10:45:51 +0100


On 06/19/2000 01:23:30 AM GMT Julian Squires wrote:
>
>There is quite a lot of good documentation on these in the C64 world.
>Particularly, http://www.cs.cmu.edu/~dsladic/vice/doc/64doc.txt was
>one of my preferred documents.

Be careful! There was discovered recently on the A8 mailing list
(for the Atari800 emulator), that some of the undocumented opcodes
behave differently on Atari 800 6502 and C64 6502.

I guess, that's a reason why we call them "illegal" :-)

regards,
chris



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