From 2bccfd7a228cddf51f4d62ed091848a9fefc0032 Mon Sep 17 00:00:00 2001
From: Sjoerd van der Berg <harekiet@users.sourceforge.net>
Date: Wed, 21 Apr 2004 08:21:47 +0000
Subject: [PATCH] Fix 4-bit adpcm transfers from doing extra dma tranfers
 causing sounds to play to fast

Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1772
---
 src/hardware/sblaster.cpp | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/src/hardware/sblaster.cpp b/src/hardware/sblaster.cpp
index 09222590..bb6d1e9c 100644
--- a/src/hardware/sblaster.cpp
+++ b/src/hardware/sblaster.cpp
@@ -390,9 +390,6 @@ static void GenerateDMASound(Bitu size) {
 			sb.adpcm.stepsize=MIN_ADAPTIVE_STEP_SIZE;
 			skip++;read--;
 		}
-		if (sb.dma.left<size) size=sb.dma.left;
-		read=sb.dma.chan->Read(size,sb.dma.buf.b8);
-		sb.dma.left-=read;
 		for (i=0;i<read;i++) {
 			sb.tmp.buf.m[done++]=decode_ADPCM_4_sample(sb.dma.buf.b8[skip+i] >> 4,sb.adpcm.reference,sb.adpcm.stepsize);
 			sb.tmp.buf.m[done++]=decode_ADPCM_4_sample(sb.dma.buf.b8[skip+i]& 0xf,sb.adpcm.reference,sb.adpcm.stepsize);