Mail Archives: djgpp/1999/03/10/16:04:41
From: | ian_dunbar AT my-dejanews DOT com
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Newsgroups: | comp.os.msdos.djgpp
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Subject: | ALLEGRO: problem running grabber.exe (fixed sort of)
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Date: | Wed, 10 Mar 1999 17:48:32 GMT
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Organization: | Deja News - The Leader in Internet Discussion
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Lines: | 20
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Message-ID: | <7c6b9b$216$1@nnrp1.dejanews.com>
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To: | djgpp AT delorie DOT com
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DJ-Gateway: | from newsgroup comp.os.msdos.djgpp
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Reply-To: | djgpp AT delorie DOT com
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Well I figured out that if you set 320x200 mode first, then it allows you to
go into 640x480 mode, so I just added an extra call to
set_gfx_mode(GFX_VGA, 320, 200, 0, 0);
before the real call to set_gfx_mode. I suppose this is just some quirk of
the particular card, that setting it to 320x200 sets up everything that is
needed for 640x480 mode. If Allegro did this if a regular call to set 640x460
mode failed, then a lot more allegro programs would work on my PC, but given
that is is probably just a fluke I don't know if it's really worth it, as it
probably wouldn't work with other cards.
The only problem with it is that in 640x480 mode the mouse is confined to a
small square in the top left corner. Any ideas about fixing this?
Thanks,
Ian.
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