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Mail Archives: djgpp/1999/08/29/22:36:34

From: flupke <schawat AT club-internet DOT fr>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Nice Jerky Scrolling
Date: Mon, 30 Aug 1999 02:25:21 +0200
Organization: Club-Internet (France)
Message-ID: <37C9CF71.4A8BA3CA@club-internet.fr>
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To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

Ghalos wrote:

> I have Allegro and I am using the infinite horizontal scrolling technique
> (ie. writing new column, moving viewport and writing column behind as well)
> and it seems to work fin except that when scrolling the screen in 320x240
> using scroll() the screen occasionally jerks back then forwards again for no
> reason.... I have tried VSynching but it doesn't help.....
>
> Any thoughts? thanks,
>
> --
> Ghalos - greg AT holdridge7 DOT freeserve DOT co DOT uk

I have a matrox mystique and a millenium and both have the same problem when
scrolling in VESA modes...
The display doctor's readme reffers this as an 'unresolved hardware bug' (?)



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