mirror of
https://github.com/libretro/scummvm.git
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129 lines
4.5 KiB
C++
129 lines
4.5 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "audio/fmopl.h"
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#include "audio/mididrv.h"
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namespace Queen {
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class AdLibMidiDriver : public MidiDriver {
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public:
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AdLibMidiDriver() {
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_adlibWaveformSelect = 0;
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_isOpen = false;
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}
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~AdLibMidiDriver() override {}
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// MidiDriver
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int open() override;
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void close() override;
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void send(uint32 b) override;
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void metaEvent(byte type, byte *data, uint16 length) override;
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MidiChannel *allocateChannel() override { return 0; }
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MidiChannel *getPercussionChannel() override { return 0; }
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void setTimerCallback(void *timerParam, Common::TimerManager::TimerProc timerProc) override;
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bool isOpen() const override { return _isOpen; }
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uint32 getBaseTempo() override { return 1000000 / OPL::OPL::kDefaultCallbackFrequency; }
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void setVolume(uint32 volume);
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private:
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void handleMidiEvent0x90_NoteOn(int channel, int param1, int param2);
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void handleSequencerSpecificMetaEvent1(int channel, const uint8 *data);
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void handleSequencerSpecificMetaEvent2(uint8 value);
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void handleSequencerSpecificMetaEvent3(uint8 value);
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void adlibWrite(uint8 port, uint8 value);
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void adlibSetupCard();
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void adlibSetupChannels(int fl);
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void adlibResetAmpVibratoRhythm(int am, int vib, int kso);
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void adlibResetChannels();
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void adlibSetAmpVibratoRhythm();
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void adlibSetCSMKeyboardSplit();
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void adlibSetNoteMul(int mul);
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void adlibSetWaveformSelect(int fl);
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void adlibSetPitchBend(int channel, int range);
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void adlibPlayNote(int channel);
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uint8 adlibPlayNoteHelper(int channel, int note1, int note2, int oct);
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void adlibTurnNoteOff(int channel);
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void adlibTurnNoteOn(int channel, int note);
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void adlibSetupChannelFromSequence(int channel, const uint8 *src, int fl);
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void adlibSetupChannel(int channel, const uint16 *src, int fl);
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void adlibSetNoteVolume(int channel, int volume);
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void adlibSetChannelVolume(int channel, uint8 volume);
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void adlibSetupChannelHelper(int channel);
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void adlibSetChannel0x40(int channel);
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void adlibSetChannel0xC0(int channel);
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void adlibSetChannel0x60(int channel);
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void adlibSetChannel0x80(int channel);
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void adlibSetChannel0x20(int channel);
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void adlibSetChannel0xE0(int channel);
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void onTimer();
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OPL::OPL *_opl;
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int _midiNumberOfChannels;
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int _adlibNoteMul;
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int _adlibWaveformSelect;
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int _adlibAMDepthEq48;
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int _adlibVibratoDepthEq14;
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int _adlibRhythmEnabled;
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int _adlibKeyboardSplitOn;
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int _adlibVibratoRhythm;
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uint8 _midiChannelsFreqTable[9];
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uint8 _adlibChannelsLevelKeyScalingTable[11];
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uint8 _adlibSetupChannelSequence1[14 * 18];
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uint16 _adlibSetupChannelSequence2[14];
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int16 _midiChannelsNote2Table[9];
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uint8 _midiChannelsNote1Table[9];
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uint8 _midiChannelsOctTable[9];
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uint16 _adlibChannelsVolume[11];
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uint16 _adlibMetaSequenceData[28];
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uint8 _adlibChannelsVolumeTable[11];
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bool _isOpen;
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Common::TimerManager::TimerProc _adlibTimerProc;
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void *_adlibTimerParam;
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static const uint8 _adlibChannelsMappingTable1[];
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static const uint8 _adlibChannelsNoFeedback[];
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static const uint8 _adlibChannelsMappingTable2[];
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static const uint8 _adlibChannelsMappingTable3[];
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static const uint8 _adlibChannelsKeyScalingTable1[];
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static const uint8 _adlibChannelsKeyScalingTable2[];
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static const uint8 _adlibInitSequenceData1[];
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static const uint8 _adlibInitSequenceData2[];
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static const uint8 _adlibInitSequenceData3[];
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static const uint8 _adlibInitSequenceData4[];
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static const uint8 _adlibInitSequenceData5[];
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static const uint8 _adlibInitSequenceData6[];
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static const uint8 _adlibInitSequenceData7[];
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static const uint8 _adlibInitSequenceData8[];
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static const int16 _midiChannelsNoteTable[];
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static const int16 _midiNoteFreqTable[];
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};
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} // End of namespace Queen
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