From 55d7af07662802ad3bc04be6676aa2eb3932595e Mon Sep 17 00:00:00 2001
From: Martin Kiewitz <m_kiewitz@users.sourceforge.net>
Date: Sun, 1 Aug 2010 19:57:03 +0000
Subject: [PATCH] SCI: kDoSound(mute) behaviour change

svn-id: r51589
---
 engines/sci/sound/soundcmd.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/engines/sci/sound/soundcmd.cpp b/engines/sci/sound/soundcmd.cpp
index bd88a5fca8d..b12037065be 100644
--- a/engines/sci/sound/soundcmd.cpp
+++ b/engines/sci/sound/soundcmd.cpp
@@ -263,12 +263,13 @@ reg_t SoundCommandParser::kDoSoundResumeAfterRestore(int argc, reg_t *argv, reg_
 }
 
 reg_t SoundCommandParser::kDoSoundMute(int argc, reg_t *argv, reg_t acc) {
+	uint16 previousState = _music->soundGetSoundOn();
 	if (argc > 0) {
 		debugC(2, kDebugLevelSound, "kDoSound(mute): %d", argv[0].toUint16());
 		_music->soundSetSoundOn(argv[0].toUint16());
 	}
 
-	return make_reg(0, _music->soundGetSoundOn());
+	return make_reg(0, previousState);
 }
 
 reg_t SoundCommandParser::kDoSoundMasterVolume(int argc, reg_t *argv, reg_t acc) {