Xref: news2.mv.net comp.os.msdos.djgpp:4887
From: HAUDE AT alpha5 DOT physnet DOT uni-hamburg DOT de (Daniel Haude)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Why is grx20 so slow ?
Date: 12 Jun 1996 14:01:07 GMT
Organization: Universitaet Hamburg
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Message-ID: <4pmij3$nt0@rzsun02.rrz.uni-hamburg.de>
References: <hector DOT 3 DOT 834568444 AT leei DOT enseeiht DOT fr>
Reply-To: haude AT physnet DOT uni-hamburg DOT de
NNTP-Posting-Host: alpha4.physnet.uni-hamburg.de
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp

On Wed, 12 Jun 1996 08:34:04 GMT, Jean Hector (hector AT leei DOT enseeiht DOT fr) wrote:
>With any driver, the mouse test program MOUSETST is much more slower in
>the 16 colors mode than in the 256 colors mode (not possible with stdvga).
>Is there a reason ? Is there a solution ?

It's probably because the 16 color standard vga mode is organized in bit
planes, whereas the 256 color svga mode is linearily mapped into memory.

Just my nickel's worth...
 
-- 
Daniel Haude
Institut fuer Angewandte Physik
Universitaet Hamburg

haude AT physnet DOT uni-hamburg DOT de