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Mail Archives: djgpp/1997/10/21/13:05:34

Date: Wed, 22 Oct 1997 01:02:16 +0800 (GMT)
From: Orlando Andico <orly AT dilnet DOT upd DOT edu DOT ph>
To: Michal Mertl <xmerm05 AT manes DOT vse DOT cz>
cc: djgpp AT delorie DOT com
Subject: Re: ALLEGRO - 256 shades of grey?? How?
In-Reply-To: <Pine.ULT.3.95.971021112307.28830B-100000@manes.vse.cz>
Message-ID: <Pine.SGI.3.96.971022010132.10442A-100000@gibson.eee.upd.edu.ph>
MIME-Version: 1.0

On Tue, 21 Oct 1997, Michal Mertl wrote:

> I think you are not right that cards limited to 6bits wide DAC are rare. I
> know most Cirruses, Tridents, S3s (except Virge I think) doesn't support
> 8bit. And DAC size is 6bits unless you tell it to be 8bit. 
> I also think (but I'm not sure, so don't flame me for the second sentence)
> that palettes in pictures are intended to be divided by 4 for 8bit display
> (and will look ugly with 8bit DAC), only in true color you should use all
> 8bits.

I think even old Cirrus/S3 cards support 24bit (i.e. 8 bits per RGB
value). At least that's what UniVBE says (Cirrus 5428, S3 805, which are
pretty old).
 
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Orlando Alcantara Andico
WWW:   http://www2.mozcom.com/~orly/         Email: orly AT mozcom DOT com
ICBM:  14 30 00 N  120 59 00 E               POTS:  (+632) 932-2385

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