Mail Archives: djgpp/1996/12/27/12:47:55
Hi Shawn Betts:
> how do I do a DMA transfer from protected mode memory to, lets say, a
> sound blaster (I'm jsut interested in setting up the DMA).
The 8 bits DMA can be used in the first Mb of memory, the 16 bit
DMA in the first 16 Mb (the PCI bus is better, but no sound blaster
there). As you can't guess about where is your program in memory
(sure not in the first Mb) you must allocate a buffer in the DOS
(1st Mb) memory using DPMI calls.
SET
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Salvador Eduardo Tropea (SET).
Address: Curapaligue 2124, Caseros, 3 de Febrero
Buenos Aires, (1678), ARGENTINA
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