From: Ian D Romanick Message-Id: <199704021703.JAA09572@xavier.cs.pdx.edu> Subject: Re: Gravis Ultrasound SDK and the DMA To: l158134 AT proffa DOT cc DOT tut DOT fi Date: Wed, 2 Apr 1997 09:02:59 -0800 (PST) Cc: djgpp AT delorie DOT com In-Reply-To: from "Lemponen Olli" at Apr 2, 97 01:34:31 pm MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit > I commented out the specific lines which actually > initiate the DMA transfer (two 'out' commands) to the GUS and everything > worked fine, except for the DMA (no longer hanged, but didn't work > properly either;) What could be wrong? Are you sure that your DMA buffers are in DOS memory? -- Sign you're a demo geek: When you get drunk and think, "Hey, the world looks like a vector demo with a really bad frame rate." Demos, Compression, and Fun are located at http://www.cs.pdx.edu/~idr