From mint-bounce@lists.fishpool.fi  Tue Jan 19 04:24:33 2010
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Message-ID: <4B546705.7090907@atari.org>
Date: Mon, 18 Jan 2010 14:49:57 +0100
From: Odd Skancke <oskancke@gmail.com>
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To: mint@lists.fishpool.fi
Subject: Re: [MiNT] libgem16: vs_color
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Den 18.01.2010 14:35, skrev Helmut Karlowski:
> Am 18.01.2010, 11:56 Uhr, schrieb Odd Skancke <oskancke@gmail.com>:
>
>> Does this happen with all VDI versions? (Nvdi, no VDI enhancers or
>> just fvdi)
>
> Visual damage appears only with fvdi. I only know NVDI and the
> crazy-dots-vdi (a little). I assume NVDI silently clears the LSB or does
> use another method to get the values. In fvdi this bit is used as a
> flag, and also cleared, but vs_color acts different then.

  Then I would suggest fixing the problem where the problem is, and not 
clutter up the XaAES source with #ifdefs to accomodate for faulty 
software. At least this is the best approach where the sources are 
available. I have not looked extensively over the ASM you posted yet, 
but at first glance I cant see anything wrong. If I misunderstood your 
answer, I'm sorry .. you do say that the corruption of stack/vdipb only 
happens under fVDI?

>
> I will check it with NVDI-ET4000 too, but at that stage in libgem the
> VDI isn't touched yet.
>