Moved MorphOS midi driver to backends/midi

svn-id: r6120

1 files changed, 93 insertions, 0 deletions

diff --git a/backends/midi/morphos.cpp b/backends/midi/morphos.cpp
new file mode 100644
index 0000000000..6fba4a76bf
--- /dev/null
+++ b/backends/midi/morphos.cpp
@@ -0,0 +1,93 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001/2002 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ */
+
+#if defined(__MORPHOS__)
+
+#include <exec/memory.h>
+#include <exec/types.h>
+#include <devices/etude.h>
+
+#include <clib/alib_protos.h>
+#include <proto/exec.h>
+#include <proto/etude.h>
+
+#include "stdafx.h"
+#include "sound/mpu401.h"
+#include "common/engine.h" // For warning/error/debug
+#include "morphos_sound.h"
+
+/*
+ * MorphOS MIDI driver for Etude device
+ */
+
+class MidiDriver_ETUDE : public MidiDriver_MPU401 {
+public:
+	MidiDriver_ETUDE();
+	int open();
+	void close();
+	void send(uint32 b);
+
+private:
+	bool _isOpen;
+};
+
+MidiDriver_ETUDE::MidiDriver_ETUDE()
+{
+	_isOpen = false;
+}
+
+int MidiDriver_ETUDE::open()
+{
+	if (_isOpen)
+		return MERR_ALREADY_OPEN;
+	_isOpen = true;
+	if (!init_morphos_music(0, ETUDEF_DIRECT))
+		return MERR_DEVICE_NOT_AVAILABLE;
+
+	return 0;
+}
+
+void MidiDriver_ETUDE::close()
+{
+	exit_morphos_music();
+	_isOpen = false;
+}
+
+void MidiDriver_ETUDE::send(uint32 b)
+{
+	if (_isOpen)
+		error("MidiDriver_ETUDE::send called but driver was no opened");
+
+	if (ScummMidiRequest) {
+		ULONG midi_data = READ_LE_UINT32(&b);
+		SendShortMidiMsg(ScummMidiRequest, midi_data);
+	}
+}
+
+extern MidiDriver* EtudeMidiDriver;
+
+MidiDriver *MidiDriver_ETUDE_create()
+{
+	if (!EtudeMidiDriver)
+		EtudeMidiDriver = new MidiDriver_ETUDE();
+	return EtudeMidiDriver;
+}
+
+#endif