1 files changed, 40 insertions, 0 deletions
diff --git a/sound/null.cpp b/sound/null.cpp
new file mode 100644
index 0000000000..6be4bd03ee
--- /dev/null
+++ b/sound/null.cpp
@@ -0,0 +1,40 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001-2006 The ScummVM project
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#include "common/stdafx.h"
+#include "sound/mpu401.h"
+
+/* NULL driver */
+class MidiDriver_NULL : public MidiDriver_MPU401 {
+public:
+	int open() { return 0; }
+	void send(uint32 b) { }
+};
+
+MidiDriver *MidiDriver_NULL_create() {
+	return new MidiDriver_NULL();
+}
+
+#ifdef DISABLE_ADLIB
+MidiDriver *MidiDriver_ADLIB_create(Audio::Mixer *mixer) {
+	return new MidiDriver_NULL();
+}
+#endif