Re: R6502AP

From: groepaz_at_gmx.net
Date: Sun, 30 Nov 2014 16:49:14 +0100
Message-ID: <1536023.7dN6dczTMM@rakete>
On Sunday 30 November 2014, 09:39:21 Segher Boessenkool 
<segher@kernel.crashing.org> wrote:
> On Sun, Nov 30, 2014 at 02:54:05PM +0100, groepaz@gmx.net wrote:
> > these two opcodes do not give the same results on various C64s either for
> > that matter - which is why i updated the lorenz suite to check for the
> > magic values first.
> 
> It is said that they even do not always give the same results on
> the *same* machine.  Which is fully believable if you look at what
> the problem is.  I've never seen verification of this though afaik.

i have never seen it on any of my C64s myself... but others from the VICE team 
have seen that behaviour (the result changes over time), iirc it can be 
verified using this program: https://sourceforge.net/p/vice-emu/code/HEAD/tree/testprogs/general/ane-lax/

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Received on 2014-11-30 16:00:58

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