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From: | "Michael Stewart" <mike AT reggin DOT freeserve DOT co DOT uk> |
Newsgroups: | comp.os.msdos.djgpp |
Subject: | Re: Vsync! |
Date: | Thu, 29 Jul 1999 16:58:31 +0100 |
Organization: | (Posted via) Netcom Internet Ltd. |
Message-ID: | <7nptn7$6ks$1@taliesin.netcom.net.uk> |
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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 |
Knutte wrote in message ... >A few minutes after I wrote this I tried to force Allegro to use VESA 1.0 >instead of Autodetect. The Attempt was successful so the problem lies within >the communication between Allegro and my GFXcard. Thank you all for the >help I'd be suprised if that was the case. Any problems with vsync would have been sorted out a long time ago. This is the `standard' method of waiting for the vertical retrace (I would think Allegro will be similar if not the same). Try it and see if this works. void vsync () { while (inportb (0x3DA) & 8); while (! (inportb (0x3DA) & 8)); }
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