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From: pyzals AT gmail DOT com
Newsgroups: comp.os.msdos.djgpp
Subject: DMA and Soundblaster with DJGPP
Date: 14 May 2007 20:09:03 -0700
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

Hello All,
I am working on adding sound to a few roguelike games. Basically I am
trying to write some code that plays a .wav file on a soundblaster 2.0
(actually NTVDM.exe emulated soundblaster) using DMA. The code I have
compiles perfectly, but the wav file doesn't play correctly. This
exact same code works perfectly when compiled using an Borland Turbo C+
+ 3.1 (which I dug up just to see if this was the case). Could this be
a bug in DJGPP? Do I need to be instructing gcc to compile things a
little differently? I am at a loss as to what to do next.

The code is almost exactly what is here:
http://www.cprogramming.com/source/waveplay.cpp