From a586017bea6810f0e7c3ea76f482914b0196602f Mon Sep 17 00:00:00 2001
From: Johannes Schickel
Date: Tue, 12 May 2009 18:45:17 +0000
Subject: Fall back to plain OPL2 emulation, when Dual OPL2 isn't available.

svn-id: r40497
---
 engines/sci/sfx/softseq/adlib.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/engines/sci/sfx/softseq/adlib.cpp b/engines/sci/sfx/softseq/adlib.cpp
index 92a04f065e..ab4b6750b5 100644
--- a/engines/sci/sfx/softseq/adlib.cpp
+++ b/engines/sci/sfx/softseq/adlib.cpp
@@ -84,6 +84,12 @@ int MidiDriver_Adlib::open(bool isSCI0) {
 
 	_opl = OPL::Config::create(isStereo() ? OPL::Config::kDualOpl2 : OPL::Config::kOpl2);
 
+	// Try falling back to mono, thus plain OPL2 emualtor, when no Dual OPL2 is available.
+	if (!_opl && _stereo) {
+		_stereo = false;
+		_opl = OPL::Config::create(OPL::Config::kOpl2);
+	}
+
 	if (!_opl)
 		return -1;
 
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