Re: Amiga 3000 video strangeness - next thing

[mlelstv%serpens.de@localhost (Michael van Elst)]

frank%phoenix.owl.de@localhost (Frank Wille) writes:

>I guess it gets into trouble when running into a bus-fault (MMU-exception)
>while executing CAS. I don't know if the exception handler is prepared to
>emulate the entire read-modify-write cycle of this instruction?

The 68020 (unlike the 68040) is supposed to rerun the complete instruction.

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                                Michael van Elst
Internet: mlelstv%serpens.de@localhost
                                "A potential Snark may lurk in every tree."