From 651bf899399de2b5c2d8e62a5bb4964b037950d2 Mon Sep 17 00:00:00 2001
From: Filippos Karapetis
Date: Fri, 1 Nov 2013 06:57:20 +0200
Subject: SCUMM: Move all players to a separate "player" directory

There are 34 player .cpp/.h player files, so they have been placed in
their own directory, to logically separate them from the rest of the
engine
---
 engines/scumm/player/v2cms.cpp | 787 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 787 insertions(+)
 create mode 100644 engines/scumm/player/v2cms.cpp

(limited to 'engines/scumm/player/v2cms.cpp')

diff --git a/engines/scumm/player/v2cms.cpp b/engines/scumm/player/v2cms.cpp
new file mode 100644
index 0000000000..30ca238860
--- /dev/null
+++ b/engines/scumm/player/v2cms.cpp
@@ -0,0 +1,787 @@
+/* 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 "scumm/player/v2cms.h"
+#include "scumm/scumm.h"
+#include "audio/mididrv.h"
+#include "audio/mixer.h"
+#include "audio/softsynth/cms.h"
+
+namespace Scumm {
+
+Player_V2CMS::Player_V2CMS(ScummEngine *scumm, Audio::Mixer *mixer)
+	: Player_V2Base(scumm, mixer, true), _cmsVoicesBase(), _cmsVoices(),
+	  _cmsChips(), _midiDelay(0), _octaveMask(0), _looping(0), _tempo(0),
+	  _tempoSum(0), _midiData(0), _midiSongBegin(0), _musicTimer(0),
+	  _musicTimerTicks(0), _voiceTimer(0), _loadedMidiSong(0),
+	  _outputTableReady(0), _midiChannel(), _midiChannelUse() {
+	setMusicVolume(255);
+
+	memset(_sfxFreq, 0xFF, sizeof(_sfxFreq));
+	memset(_sfxAmpl, 0x00, sizeof(_sfxAmpl));
+	memset(_sfxOctave, 0x66, sizeof(_sfxOctave));
+
+	_cmsVoices[0].amplitudeOutput = &_cmsChips[0].ampl[0];
+	_cmsVoices[0].freqOutput = &_cmsChips[0].freq[0];
+	_cmsVoices[0].octaveOutput = &_cmsChips[0].octave[0];
+	_cmsVoices[1].amplitudeOutput = &_cmsChips[0].ampl[1];
+	_cmsVoices[1].freqOutput = &_cmsChips[0].freq[1];
+	_cmsVoices[1].octaveOutput = &_cmsChips[0].octave[0];
+	_cmsVoices[2].amplitudeOutput = &_cmsChips[0].ampl[2];
+	_cmsVoices[2].freqOutput = &_cmsChips[0].freq[2];
+	_cmsVoices[2].octaveOutput = &_cmsChips[0].octave[1];
+	_cmsVoices[3].amplitudeOutput = &_cmsChips[0].ampl[3];
+	_cmsVoices[3].freqOutput = &_cmsChips[0].freq[3];
+	_cmsVoices[3].octaveOutput = &_cmsChips[0].octave[1];
+	_cmsVoices[4].amplitudeOutput = &_cmsChips[1].ampl[0];
+	_cmsVoices[4].freqOutput = &_cmsChips[1].freq[0];
+	_cmsVoices[4].octaveOutput = &_cmsChips[1].octave[0];
+	_cmsVoices[5].amplitudeOutput = &_cmsChips[1].ampl[1];
+	_cmsVoices[5].freqOutput = &_cmsChips[1].freq[1];
+	_cmsVoices[5].octaveOutput = &_cmsChips[1].octave[0];
+	_cmsVoices[6].amplitudeOutput = &_cmsChips[1].ampl[2];
+	_cmsVoices[6].freqOutput = &_cmsChips[1].freq[2];
+	_cmsVoices[6].octaveOutput = &_cmsChips[1].octave[1];
+	_cmsVoices[7].amplitudeOutput = &_cmsChips[1].ampl[3];
+	_cmsVoices[7].freqOutput = &_cmsChips[1].freq[3];
+	_cmsVoices[7].octaveOutput = &_cmsChips[1].octave[1];
+
+	// inits the CMS Emulator like in the original
+	_cmsEmu = new CMSEmulator(_sampleRate);
+	for (int i = 0, cmsPort = 0x220; i < 2; cmsPort += 2, ++i) {
+		for (int off = 0; off < 13; ++off) {
+			_cmsEmu->portWrite(cmsPort+1, _cmsInitData[off*2]);
+			_cmsEmu->portWrite(cmsPort, _cmsInitData[off*2+1]);
+		}
+	}
+
+	_mixer->playStream(Audio::Mixer::kPlainSoundType, &_soundHandle, this, -1, Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::NO, true);
+}
+
+Player_V2CMS::~Player_V2CMS() {
+	Common::StackLock lock(_mutex);
+
+	_mixer->stopHandle(_soundHandle);
+	delete _cmsEmu;
+}
+
+void Player_V2CMS::setMusicVolume(int vol) {
+}
+
+int Player_V2CMS::getMusicTimer() {
+	return _midiData ? _musicTimer : Player_V2Base::getMusicTimer();
+}
+
+void Player_V2CMS::stopAllSounds() {
+	Common::StackLock lock(_mutex);
+
+	for (int i = 0; i < 4; i++) {
+		clear_channel(i);
+	}
+	_next_nr = _current_nr = 0;
+	_next_data = _current_data = 0;
+	_midiData = 0;
+	_midiSongBegin = 0;
+	_midiDelay = 0;
+	_musicTimer = _musicTimerTicks = 0;
+	offAllChannels();
+}
+
+void Player_V2CMS::stopSound(int nr) {
+	Common::StackLock lock(_mutex);
+
+	if (_next_nr == nr) {
+		_next_nr = 0;
+		_next_data = 0;
+	}
+	if (_current_nr == nr) {
+		for (int i = 0; i < 4; i++) {
+			clear_channel(i);
+		}
+		_current_nr = 0;
+		_current_data = 0;
+		chainNextSound();
+	}
+	if (_loadedMidiSong == nr) {
+		_midiData = 0;
+		_midiSongBegin = 0;
+		_midiDelay = 0;
+		offAllChannels();
+	}
+}
+
+void Player_V2CMS::startSound(int nr) {
+	Common::StackLock lock(_mutex);
+
+	byte *data = _vm->getResourceAddress(rtSound, nr);
+	assert(data);
+
+	if (data[6] == 0x80) {
+		_musicTimer = _musicTimerTicks = 0;
+		loadMidiData(data, nr);
+	} else {
+		int cprio = _current_data ? *(_current_data + _header_len) : 0;
+		int prio  = *(data + _header_len);
+		int nprio = _next_data ? *(_next_data + _header_len) : 0;
+
+		int restartable = *(data + _header_len + 1);
+
+		if (!_current_nr || cprio <= prio) {
+			int tnr = _current_nr;
+			int tprio = cprio;
+			byte *tdata  = _current_data;
+
+			chainSound(nr, data);
+			nr   = tnr;
+			prio = tprio;
+			data = tdata;
+			restartable = data ? *(data + _header_len + 1) : 0;
+		}
+
+		if (!_current_nr) {
+			nr = 0;
+			_next_nr = 0;
+			_next_data = 0;
+		}
+
+		if (nr != _current_nr
+			&& restartable
+			&& (!_next_nr
+			|| nprio <= prio)) {
+
+			_next_nr = nr;
+			_next_data = data;
+		}
+	}
+}
+
+void Player_V2CMS::loadMidiData(byte *data, int sound) {
+	memset(_midiChannelUse, 0, sizeof(_midiChannelUse));
+	memset(_midiChannel, 0, sizeof(_midiChannel));
+
+	_tempo = data[7];
+	_looping = data[8];
+
+	byte channels = data[14];
+	byte curChannel = 0;
+	byte *voice2 = data + 23;
+
+	for (; channels != 0; ++curChannel, --channels, voice2 += 16) {
+		if (*(data + 15 + curChannel)) {
+			byte channel = *(data + 15 + curChannel) - 1;
+			_midiChannelUse[channel] = 1;
+
+			Voice *voiceDef = &_cmsVoicesBase[channel];
+
+			byte attackDecay = voice2[10];
+			voiceDef->attack = _attackRate[attackDecay >> 4];
+			voiceDef->decay = _decayRate[attackDecay & 0x0F];
+			byte sustainRelease = voice2[11];
+			voiceDef->sustain = _sustainRate[sustainRelease >> 4];
+			voiceDef->release = _releaseRate[sustainRelease & 0x0F];
+
+			if (voice2[3] & 0x40) {
+				voiceDef->vibrato = 0x0301;
+				if (voice2[13] & 0x40) {
+					voiceDef->vibrato = 0x0601;
+				}
+			} else {
+				voiceDef->vibrato = 0;
+			}
+
+			if (voice2[8] & 0x80) {
+				voiceDef->vibrato2 = 0x0506;
+				if (voice2[13] & 0x80) {
+					voiceDef->vibrato2 = 0x050C;
+				}
+			} else {
+				voiceDef->vibrato2 = 0;
+			}
+
+			if ((voice2[8] & 0x0F) > 1) {
+				voiceDef->octadd = 0x01;
+			} else {
+				voiceDef->octadd = 0x00;
+			}
+		}
+	}
+
+	for (int i = 0; i < 8; ++i) {
+		_cmsVoices[i].chanNumber = 0xFF;
+		_cmsVoices[i].curVolume = 0;
+		_cmsVoices[i].nextVoice = 0;
+	}
+
+	_midiDelay = 0;
+	memset(_cmsChips, 0, sizeof(MusicChip)*2);
+	_midiData = data + 151;
+	_midiSongBegin = _midiData + data[9];
+
+	_loadedMidiSong = sound;
+}
+
+int Player_V2CMS::getSoundStatus(int nr) const {
+	return _current_nr == nr || _next_nr == nr || _loadedMidiSong == nr;
+}
+
+void Player_V2CMS::processMidiData() {
+	byte *currentData = _midiData;
+	byte command = 0x00;
+	int16 temp = 0;
+
+	++_musicTimerTicks;
+	if (_musicTimerTicks > 60) {
+		_musicTimerTicks = 0;
+		++_musicTimer;
+	}
+
+	if (!_midiDelay) {
+		while (true) {
+			if ((command = *currentData++) == 0xFF) {
+				if ((command = *currentData++) == 0x2F) {
+					if (_looping == 0) {
+						currentData = _midiData = _midiSongBegin;
+						continue;
+					}
+					_midiData = _midiSongBegin = 0;
+					_midiDelay = 0;
+					_loadedMidiSong = 0;
+					offAllChannels();
+					return;
+				} else {
+					if (command == 0x58) {
+						currentData += 6;
+					}
+				}
+			} else {
+				_lastMidiCommand = command;
+				if (command < 0x90) {
+					clearNote(currentData);
+				} else {
+					playNote(currentData);
+				}
+			}
+
+			temp = command = *currentData++;
+			if (command & 0x80) {
+				temp = (command & 0x7F) << 8;
+				command = *currentData++;
+				temp |= (command << 1);
+				temp >>= 1;
+			}
+			temp >>= 1;
+			int lastBit = temp & 1;
+			temp >>= 1;
+			temp += lastBit;
+
+			if (temp)
+				break;
+		}
+		_midiData = currentData;
+		_midiDelay = temp;
+	}
+
+	--_midiDelay;
+	if (_midiDelay < 0)
+		_midiDelay = 0;
+
+	return;
+}
+
+int Player_V2CMS::readBuffer(int16 *buffer, const int numSamples) {
+	Common::StackLock lock(_mutex);
+
+	uint step = 1;
+	int len = numSamples / 2;
+
+	// maybe this needs a complete rewrite
+	do {
+		if (!(_next_tick >> FIXP_SHIFT)) {
+			if (_midiData) {
+				--_voiceTimer;
+				if (!(_voiceTimer & 0x01))
+					playVoice();
+
+				int newTempoSum = _tempo + _tempoSum;
+				_tempoSum = newTempoSum & 0xFF;
+				if (newTempoSum > 0xFF)
+					processMidiData();
+			} else {
+				nextTick();
+				play();
+			}
+			_next_tick += _tick_len;
+		}
+
+		step = len;
+		if (step > (_next_tick >> FIXP_SHIFT))
+			step = (_next_tick >> FIXP_SHIFT);
+		_cmsEmu->readBuffer(buffer, step);
+		buffer += 2 * step;
+		_next_tick -= step << FIXP_SHIFT;
+	} while (len -= step);
+
+	return numSamples;
+}
+
+void Player_V2CMS::playVoice() {
+	if (_outputTableReady) {
+		playMusicChips(_cmsChips);
+		_outputTableReady = 0;
+	}
+
+	_octaveMask = 0xF0;
+	Voice2 *voice = 0;
+	for (int i = 0; i < 8; ++i) {
+		voice = &_cmsVoices[i];
+		_octaveMask = ~_octaveMask;
+
+		if (voice->chanNumber != 0xFF) {
+			processChannel(voice);
+		} else {
+			if (!voice->curVolume) {
+				*(voice->amplitudeOutput) = 0;
+			}
+
+			int volume = voice->curVolume - voice->releaseRate;
+			if (volume < 0)
+				volume = 0;
+
+			voice->curVolume = volume;
+			*(voice->amplitudeOutput) = ((volume >> 4) | (volume & 0xF0)) & voice->channel;
+			++_outputTableReady;
+		}
+	}
+}
+
+void Player_V2CMS::processChannel(Voice2 *channel) {
+	++_outputTableReady;
+	switch (channel->nextProcessState) {
+	case Voice2::kEnvelopeAttack:
+		processAttack(channel);
+		break;
+
+	case Voice2::kEnvelopeDecay:
+		processDecay(channel);
+		break;
+
+	case Voice2::kEnvelopeSustain:
+		processSustain(channel);
+		break;
+
+	case Voice2::kEnvelopeRelease:
+		processRelease(channel);
+		break;
+	}
+}
+
+void Player_V2CMS::processRelease(Voice2 *channel) {
+	int newVolume = channel->curVolume - channel->releaseRate;
+	if (newVolume < 0)
+		newVolume = 0;
+
+	channel->curVolume = newVolume;
+	processVibrato(channel);
+}
+
+void Player_V2CMS::processAttack(Voice2 *channel) {
+	int newVolume = channel->curVolume + channel->attackRate;
+	if (newVolume > channel->maxAmpl) {
+		channel->curVolume = channel->maxAmpl;
+		channel->nextProcessState = Voice2::kEnvelopeDecay;
+	} else {
+		channel->curVolume = newVolume;
+	}
+
+	processVibrato(channel);
+}
+
+void Player_V2CMS::processDecay(Voice2 *channel) {
+	int newVolume = channel->curVolume - channel->decayRate;
+	if (newVolume <= channel->sustainRate) {
+		channel->curVolume = channel->sustainRate;
+		channel->nextProcessState = Voice2::kEnvelopeSustain;
+	} else {
+		channel->curVolume = newVolume;
+	}
+
+	processVibrato(channel);
+}
+
+void Player_V2CMS::processSustain(Voice2 *channel) {
+	if (channel->unkVibratoRate) {
+		int16 volume = channel->curVolume + channel->unkRate;
+		if (volume & 0xFF00) {
+			volume = int8(volume >> 8);
+			volume = -volume;
+		}
+
+		channel->curVolume = volume;
+		--channel->unkCount;
+		if (!channel->unkCount) {
+			channel->unkRate = -channel->unkRate;
+			channel->unkCount = (channel->unkVibratoDepth & 0x0F) << 1;
+		}
+	}
+	processVibrato(channel);
+}
+
+void Player_V2CMS::processVibrato(Voice2 *channel) {
+	if (channel->vibratoRate) {
+		int16 temp = channel->curFreq + channel->curVibratoRate;
+		channel->curOctave += (temp & 0xFF00) >> 8;
+		channel->curFreq = temp & 0xFF;
+
+		--channel->curVibratoUnk;
+		if (!channel->curVibratoUnk) {
+			channel->curVibratoRate = -channel->curVibratoRate;
+			channel->curVibratoUnk = (channel->vibratoDepth & 0x0F) << 1;
+		}
+	}
+
+	byte *output = channel->amplitudeOutput;
+	*output = ((channel->curVolume >> 4) | (channel->curVolume & 0xF0)) & channel->channel;
+	output = channel->freqOutput;
+	*output = channel->curFreq;
+	output = channel->octaveOutput;
+	*output = (((channel->curOctave << 4) | (channel->curOctave & 0x0F)) & _octaveMask) | ((~_octaveMask) & *output);
+}
+
+void Player_V2CMS::offAllChannels() {
+	for (int cmsPort = 0x220, i = 0; i < 2; cmsPort += 2, ++i) {
+		for (int off = 1; off <= 10; ++off) {
+			_cmsEmu->portWrite(cmsPort+1, _cmsInitData[off*2]);
+			_cmsEmu->portWrite(cmsPort, _cmsInitData[off*2+1]);
+		}
+	}
+}
+
+Player_V2CMS::Voice2 *Player_V2CMS::getFreeVoice() {
+	Voice2 *curVoice = 0;
+	Voice2 *selected = 0;
+	uint8 volume = 0xFF;
+
+	for (int i = 0; i < 8; ++i) {
+		curVoice = &_cmsVoices[i];
+
+		if (curVoice->chanNumber == 0xFF) {
+			if (!curVoice->curVolume) {
+				selected = curVoice;
+				break;
+			}
+
+			if (curVoice->curVolume < volume) {
+				selected = curVoice;
+				volume = selected->curVolume;
+			}
+		}
+	}
+
+	if (selected) {
+		selected->chanNumber = _lastMidiCommand & 0x0F;
+
+		uint8 channel = selected->chanNumber;
+		Voice2 *oldChannel = _midiChannel[channel];
+		_midiChannel[channel] = selected;
+		selected->nextVoice = oldChannel;
+	}
+
+	return selected;
+}
+
+void Player_V2CMS::playNote(byte *&data) {
+	byte channel = _lastMidiCommand & 0x0F;
+	if (_midiChannelUse[channel]) {
+		Voice2 *freeVoice = getFreeVoice();
+		if (freeVoice) {
+			Voice *voice = &_cmsVoicesBase[freeVoice->chanNumber];
+			freeVoice->attackRate = voice->attack;
+			freeVoice->decayRate = voice->decay;
+			freeVoice->sustainRate = voice->sustain;
+			freeVoice->releaseRate = voice->release;
+			freeVoice->octaveAdd = voice->octadd;
+			freeVoice->vibratoRate = freeVoice->curVibratoRate = voice->vibrato & 0xFF;
+			freeVoice->vibratoDepth = freeVoice->curVibratoUnk = voice->vibrato >> 8;
+			freeVoice->unkVibratoRate = freeVoice->unkRate = voice->vibrato2 & 0xFF;
+			freeVoice->unkVibratoDepth = freeVoice->unkCount = voice->vibrato2 >> 8;
+			freeVoice->maxAmpl = 0xFF;
+
+			uint8 rate = freeVoice->attackRate;
+			uint8 volume = freeVoice->curVolume >> 1;
+
+			if (rate < volume)
+				rate = volume;
+
+			rate -= freeVoice->attackRate;
+			freeVoice->curVolume = rate;
+			freeVoice->playingNote = *data;
+
+			int effectiveNote = freeVoice->playingNote + 3;
+			if (effectiveNote < 0 || effectiveNote >= ARRAYSIZE(_midiNotes)) {
+				warning("Player_V2CMS::playNote: Note %d out of bounds", effectiveNote);
+				effectiveNote = CLIP<int>(effectiveNote, 0, ARRAYSIZE(_midiNotes) - 1);
+			}
+
+			int octave = _midiNotes[effectiveNote].baseOctave + freeVoice->octaveAdd - 3;
+			if (octave < 0)
+				octave = 0;
+			if (octave > 7)
+				octave = 7;
+			if (!octave)
+				++octave;
+			freeVoice->curOctave = octave;
+			freeVoice->curFreq = _midiNotes[effectiveNote].frequency;
+			freeVoice->curVolume = 0;
+			freeVoice->nextProcessState = Voice2::kEnvelopeAttack;
+			if (!(_lastMidiCommand & 1))
+				freeVoice->channel = 0xF0;
+			else
+				freeVoice->channel = 0x0F;
+		}
+	}
+	data += 2;
+}
+
+Player_V2CMS::Voice2 *Player_V2CMS::getPlayVoice(byte param) {
+	byte channelNum = _lastMidiCommand & 0x0F;
+	Voice2 *curVoice = _midiChannel[channelNum];
+
+	if (curVoice) {
+		Voice2 *prevVoice = 0;
+		while (true) {
+			if (curVoice->playingNote == param)
+				break;
+
+			prevVoice = curVoice;
+			curVoice = curVoice->nextVoice;
+			if (!curVoice)
+				return 0;
+		}
+
+		if (prevVoice)
+			prevVoice->nextVoice = curVoice->nextVoice;
+		else
+			_midiChannel[channelNum] = curVoice->nextVoice;
+	}
+
+	return curVoice;
+}
+
+void Player_V2CMS::clearNote(byte *&data) {
+	Voice2 *voice = getPlayVoice(*data);
+	if (voice) {
+		voice->chanNumber = 0xFF;
+		voice->nextVoice = 0;
+		voice->nextProcessState = Voice2::kEnvelopeRelease;
+	}
+	data += 2;
+}
+
+void Player_V2CMS::play() {
+	_octaveMask = 0xF0;
+	channel_data *chan = &_channels[0].d;
+
+	byte noiseGen = 3;
+
+	for (int i = 1; i <= 4; ++i) {
+		if (chan->time_left) {
+			uint16 freq = chan->freq;
+
+			if (i == 4) {
+				if ((freq >> 8) & 0x40) {
+					noiseGen = freq & 0xFF;
+				} else {
+					noiseGen = 3;
+					_sfxFreq[0] = _sfxFreq[3];
+					_sfxOctave[0] = (_sfxOctave[0] & 0xF0) | ((_sfxOctave[1] & 0xF0) >> 4);
+				}
+			} else {
+				if (freq == 0) {
+					freq = 0xFFC0;
+				}
+
+				int cmsOct = 2;
+				int freqOct = 0x8000;
+
+				while (true) {
+					if (freq >= freqOct) {
+						break;
+					}
+					freqOct >>= 1;
+					++cmsOct;
+					if (cmsOct == 8) {
+						--cmsOct;
+						freq = 1024;
+						break;
+					}
+				}
+				byte oct = cmsOct << 4;
+				oct |= cmsOct;
+
+				oct &= _octaveMask;
+				oct |= (~_octaveMask) & _sfxOctave[(i & 3) >> 1];
+				_sfxOctave[(i & 3) >> 1] = oct;
+
+				freq >>= -(cmsOct - 9);
+				_sfxFreq[i & 3] = (-(freq - 511)) & 0xFF;
+			}
+			_sfxAmpl[i & 3] = _volumeTable[chan->volume >> 12];
+		} else {
+			_sfxAmpl[i & 3] = 0;
+		}
+
+		chan = &_channels[i].d;
+		_octaveMask ^= 0xFF;
+	}
+
+	// with the high nibble of the volumeReg value
+	// the right channels amplitude is set
+	// with the low value the left channels amplitude
+	_cmsEmu->portWrite(0x221, 0);
+	_cmsEmu->portWrite(0x220, _sfxAmpl[0]);
+	_cmsEmu->portWrite(0x221, 1);
+	_cmsEmu->portWrite(0x220, _sfxAmpl[1]);
+	_cmsEmu->portWrite(0x221, 2);
+	_cmsEmu->portWrite(0x220, _sfxAmpl[2]);
+	_cmsEmu->portWrite(0x221, 3);
+	_cmsEmu->portWrite(0x220, _sfxAmpl[3]);
+	_cmsEmu->portWrite(0x221, 8);
+	_cmsEmu->portWrite(0x220, _sfxFreq[0]);
+	_cmsEmu->portWrite(0x221, 9);
+	_cmsEmu->portWrite(0x220, _sfxFreq[1]);
+	_cmsEmu->portWrite(0x221, 10);
+	_cmsEmu->portWrite(0x220, _sfxFreq[2]);
+	_cmsEmu->portWrite(0x221, 11);
+	_cmsEmu->portWrite(0x220, _sfxFreq[3]);
+	_cmsEmu->portWrite(0x221, 0x10);
+	_cmsEmu->portWrite(0x220, _sfxOctave[0]);
+	_cmsEmu->portWrite(0x221, 0x11);
+	_cmsEmu->portWrite(0x220, _sfxOctave[1]);
+	_cmsEmu->portWrite(0x221, 0x14);
+	_cmsEmu->portWrite(0x220, 0x3E);
+	_cmsEmu->portWrite(0x221, 0x15);
+	_cmsEmu->portWrite(0x220, 0x01);
+	_cmsEmu->portWrite(0x221, 0x16);
+	_cmsEmu->portWrite(0x220, noiseGen);
+}
+
+void Player_V2CMS::playMusicChips(const MusicChip *table) {
+	int cmsPort = 0x21E;
+
+	do {
+		cmsPort += 2;
+		_cmsEmu->portWrite(cmsPort+1, 0);
+		_cmsEmu->portWrite(cmsPort, table->ampl[0]);
+		_cmsEmu->portWrite(cmsPort+1, 1);
+		_cmsEmu->portWrite(cmsPort, table->ampl[1]);
+		_cmsEmu->portWrite(cmsPort+1, 2);
+		_cmsEmu->portWrite(cmsPort, table->ampl[2]);
+		_cmsEmu->portWrite(cmsPort+1, 3);
+		_cmsEmu->portWrite(cmsPort, table->ampl[3]);
+		_cmsEmu->portWrite(cmsPort+1, 8);
+		_cmsEmu->portWrite(cmsPort, table->freq[0]);
+		_cmsEmu->portWrite(cmsPort+1, 9);
+		_cmsEmu->portWrite(cmsPort, table->freq[1]);
+		_cmsEmu->portWrite(cmsPort+1, 10);
+		_cmsEmu->portWrite(cmsPort, table->freq[2]);
+		_cmsEmu->portWrite(cmsPort+1, 11);
+		_cmsEmu->portWrite(cmsPort, table->freq[3]);
+		_cmsEmu->portWrite(cmsPort+1, 0x10);
+		_cmsEmu->portWrite(cmsPort, table->octave[0]);
+		_cmsEmu->portWrite(cmsPort+1, 0x11);
+		_cmsEmu->portWrite(cmsPort, table->octave[1]);
+		_cmsEmu->portWrite(cmsPort+1, 0x14);
+		_cmsEmu->portWrite(cmsPort, 0x3F);
+		_cmsEmu->portWrite(cmsPort+1, 0x15);
+		_cmsEmu->portWrite(cmsPort, 0x00);
+		++table;
+	} while ((cmsPort & 2) == 0);
+}
+
+const Player_V2CMS::MidiNote Player_V2CMS::_midiNotes[132] = {
+	{   3,  0 }, {  31,  0 }, {  58,  0 }, {  83,  0 },
+	{ 107,  0 }, { 130,  0 }, { 151,  0 }, { 172,  0 },
+	{ 191,  0 }, { 209,  0 }, { 226,  0 }, { 242,  0 },
+	{   3,  1 }, {  31,  1 }, {  58,  1 }, {  83,  1 },
+	{ 107,  1 }, { 130,  1 }, { 151,  1 }, { 172,  1 },
+	{ 191,  1 }, { 209,  1 }, { 226,  1 }, { 242,  1 },
+	{   3,  2 }, {  31,  2 }, {  58,  2 }, {  83,  2 },
+	{ 107,  2 }, { 130,  2 }, { 151,  2 }, { 172,  2 },
+	{ 191,  2 }, { 209,  2 }, { 226,  2 }, { 242,  2 },
+	{   3,  3 }, {  31,  3 }, {  58,  3 }, {  83,  3 },
+	{ 107,  3 }, { 130,  3 }, { 151,  3 }, { 172,  3 },
+	{ 191,  3 }, { 209,  3 }, { 226,  3 }, { 242,  3 },
+	{   3,  4 }, {  31,  4 }, {  58,  4 }, {  83,  4 },
+	{ 107,  4 }, { 130,  4 }, { 151,  4 }, { 172,  4 },
+	{ 191,  4 }, { 209,  4 }, { 226,  4 }, { 242,  4 },
+	{   3,  5 }, {  31,  5 }, {  58,  5 }, {  83,  5 },
+	{ 107,  5 }, { 130,  5 }, { 151,  5 }, { 172,  5 },
+	{ 191,  5 }, { 209,  5 }, { 226,  5 }, { 242,  5 },
+	{   3,  6 }, {  31,  6 }, {  58,  6 }, {  83,  6 },
+	{ 107,  6 }, { 130,  6 }, { 151,  6 }, { 172,  6 },
+	{ 191,  6 }, { 209,  6 }, { 226,  6 }, { 242,  6 },
+	{   3,  7 }, {  31,  7 }, {  58,  7 }, {  83,  7 },
+	{ 107,  7 }, { 130,  7 }, { 151,  7 }, { 172,  7 },
+	{ 191,  7 }, { 209,  7 }, { 226,  7 }, { 242,  7 },
+	{   3,  8 }, {  31,  8 }, {  58,  8 }, {  83,  8 },
+	{ 107,  8 }, { 130,  8 }, { 151,  8 }, { 172,  8 },
+	{ 191,  8 }, { 209,  8 }, { 226,  8 }, { 242,  8 },
+	{   3,  9 }, {  31,  9 }, {  58,  9 }, {  83,  9 },
+	{ 107,  9 }, { 130,  9 }, { 151,  9 }, { 172,  9 },
+	{ 191,  9 }, { 209,  9 }, { 226,  9 }, { 242,  9 },
+	{   3, 10 }, {  31, 10 }, {  58, 10 }, {  83, 10 },
+	{ 107, 10 }, { 130, 10 }, { 151, 10 }, { 172, 10 },
+	{ 191, 10 }, { 209, 10 }, { 226, 10 }, { 242, 10 }
+};
+
+const byte Player_V2CMS::_attackRate[16] = {
+	  0,   2,   4,   7,  14,  26,  48,  82,
+	128, 144, 160, 176, 192, 208, 224, 255
+};
+
+const byte Player_V2CMS::_decayRate[16] = {
+	  0,   1,   2,   3,   4,   6,  12,  24,
+	 48,  96, 192, 215, 255, 255, 255, 255
+};
+
+const byte Player_V2CMS::_sustainRate[16] = {
+	255, 180, 128,  96,  80,  64,  56,  48,
+	 42,  36,  32,  28,  24,  20,  16,   0
+};
+
+const byte Player_V2CMS::_releaseRate[16] = {
+	  0,   1,   2,   4,   6,   9,  14,  22,
+	 36,  56,  80, 100, 120, 140, 160, 255
+};
+
+const byte Player_V2CMS::_volumeTable[16] = {
+	0x00, 0x10, 0x10, 0x11, 0x11, 0x21, 0x22, 0x22,
+	0x33, 0x44, 0x55, 0x66, 0x88, 0xAA, 0xCC, 0xFF
+};
+
+const byte Player_V2CMS::_cmsInitData[26] = {
+	0x1C, 0x02,
+	0x00, 0x00, 0x01, 0x00, 0x02, 0x00, 0x03, 0x00, 0x04, 0x00, 0x05, 0x00,
+	0x14, 0x3F, 0x15, 0x00, 0x16, 0x00, 0x18, 0x00, 0x19, 0x00, 0x1C, 0x01
+};
+
+} // End of namespace Scumm
-- 
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