From c4ed80ca35b15d126766e58085730cc167b7680a Mon Sep 17 00:00:00 2001
From: Sjoerd van der Berg <harekiet@users.sourceforge.net>
Date: Fri, 13 Jan 2017 17:38:46 +0000
Subject: [PATCH] Fix 16bit sample reading from gus memory

Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4004
---
 src/hardware/gus.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/hardware/gus.cpp b/src/hardware/gus.cpp
index c60f4bb9..6fd325d0 100644
--- a/src/hardware/gus.cpp
+++ b/src/hardware/gus.cpp
@@ -179,9 +179,10 @@ public:
 	}
 
 	INLINE Bit32s GetSample16() const {
+		Bit32u useAddr = WaveAddr >> WAVE_FRACT;
 		// Formula used to convert addresses for use with 16-bit samples
-		Bit32u holdAddr = WaveAddr & 0xc0000L;
-		Bit32u useAddr = WaveAddr & 0x1ffffL;
+		Bit32u holdAddr = useAddr & 0xc0000L;
+		useAddr = useAddr & 0x1ffffL;
 		useAddr = useAddr << 1;
 		useAddr = (holdAddr | useAddr);
 		if (WaveAdd >= (1 << WAVE_FRACT)) {