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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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.
*
*/
#include "audio/fmopl.h"
#include "audio/mididrv.h"
namespace Queen {
class AdLibMidiDriver : public MidiDriver {
public:
AdLibMidiDriver() {
_adlibWaveformSelect = 0;
_isOpen = false;
}
~AdLibMidiDriver() {}
// MidiDriver
int open();
void close();
void send(uint32 b);
void metaEvent(byte type, byte *data, uint16 length);
MidiChannel *allocateChannel() { return 0; }
MidiChannel *getPercussionChannel() { return 0; }
void setTimerCallback(void *timerParam, Common::TimerManager::TimerProc timerProc);
bool isOpen() const { return _isOpen; }
uint32 getBaseTempo() { return 1000000 / OPL::OPL::kDefaultCallbackFrequency; }
void setVolume(uint32 volume);
private:
void handleMidiEvent0x90_NoteOn(int channel, int param1, int param2);
void handleSequencerSpecificMetaEvent1(int channel, const uint8 *data);
void handleSequencerSpecificMetaEvent2(uint8 value);
void handleSequencerSpecificMetaEvent3(uint8 value);
void adlibWrite(uint8 port, uint8 value);
void adlibSetupCard();
void adlibSetupChannels(int fl);
void adlibResetAmpVibratoRhythm(int am, int vib, int kso);
void adlibResetChannels();
void adlibSetAmpVibratoRhythm();
void adlibSetCSMKeyboardSplit();
void adlibSetNoteMul(int mul);
void adlibSetWaveformSelect(int fl);
void adlibSetPitchBend(int channel, int range);
void adlibPlayNote(int channel);
uint8 adlibPlayNoteHelper(int channel, int note1, int note2, int oct);
void adlibTurnNoteOff(int channel);
void adlibTurnNoteOn(int channel, int note);
void adlibSetupChannelFromSequence(int channel, const uint8 *src, int fl);
void adlibSetupChannel(int channel, const uint16 *src, int fl);
void adlibSetNoteVolume(int channel, int volume);
void adlibSetChannelVolume(int channel, uint8 volume);
void adlibSetupChannelHelper(int channel);
void adlibSetChannel0x40(int channel);
void adlibSetChannel0xC0(int channel);
void adlibSetChannel0x60(int channel);
void adlibSetChannel0x80(int channel);
void adlibSetChannel0x20(int channel);
void adlibSetChannel0xE0(int channel);
void onTimer();
OPL::OPL *_opl;
int _midiNumberOfChannels;
int _adlibNoteMul;
int _adlibWaveformSelect;
int _adlibAMDepthEq48;
int _adlibVibratoDepthEq14;
int _adlibRhythmEnabled;
int _adlibKeyboardSplitOn;
int _adlibVibratoRhythm;
uint8 _midiChannelsFreqTable[9];
uint8 _adlibChannelsLevelKeyScalingTable[11];
uint8 _adlibSetupChannelSequence1[14 * 18];
uint16 _adlibSetupChannelSequence2[14];
int16 _midiChannelsNote2Table[9];
uint8 _midiChannelsNote1Table[9];
uint8 _midiChannelsOctTable[9];
uint16 _adlibChannelsVolume[11];
uint16 _adlibMetaSequenceData[28];
uint8 _adlibChannelsVolumeTable[11];
bool _isOpen;
Common::TimerManager::TimerProc _adlibTimerProc;
void *_adlibTimerParam;
static const uint8 _adlibChannelsMappingTable1[];
static const uint8 _adlibChannelsNoFeedback[];
static const uint8 _adlibChannelsMappingTable2[];
static const uint8 _adlibChannelsMappingTable3[];
static const uint8 _adlibChannelsKeyScalingTable1[];
static const uint8 _adlibChannelsKeyScalingTable2[];
static const uint8 _adlibInitSequenceData1[];
static const uint8 _adlibInitSequenceData2[];
static const uint8 _adlibInitSequenceData3[];
static const uint8 _adlibInitSequenceData4[];
static const uint8 _adlibInitSequenceData5[];
static const uint8 _adlibInitSequenceData6[];
static const uint8 _adlibInitSequenceData7[];
static const uint8 _adlibInitSequenceData8[];
static const int16 _midiChannelsNoteTable[];
static const int16 _midiNoteFreqTable[];
};
} // End of namespace Queen
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