Moved engines to the new engines/ directory

svn-id: r20582

1 files changed, 1420 insertions, 0 deletions

diff --git a/engines/scumm/player_v2a.cpp b/engines/scumm/player_v2a.cpp
new file mode 100644
index 0000000000..36499ba527
--- /dev/null
+++ b/engines/scumm/player_v2a.cpp
@@ -0,0 +1,1420 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001  Ludvig Strigeus
+ * 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 "base/engine.h"
+#include "scumm/player_v2a.h"
+#include "scumm/scumm.h"
+
+namespace Scumm {
+
+#define BASE_FREQUENCY 3579545
+
+#ifdef PALMOS_68K
+static uint32 *CRCtable = NULL;
+#else
+static uint32 CRCtable[256];
+#endif
+
+static void	InitCRC (void)
+{
+	const uint32 poly = 0xEDB88320;
+	int i, j;
+	uint32 n;
+
+	for (i = 0; i < 256; i++)
+	{
+		n = i;
+		for (j = 0; j < 8; j++)
+			n = (n & 1) ? ((n >> 1) ^ poly) : (n >> 1);
+		CRCtable[i] = n;
+	}
+}
+
+static uint32 GetCRC (byte *data, int len)
+{
+	uint32 CRC = 0xFFFFFFFF;
+	int i;
+	for (i = 0; i < len; i++)
+		CRC = (CRC >> 8) ^ CRCtable[(CRC ^ data[i]) & 0xFF];
+	return CRC ^ 0xFFFFFFFF;
+}
+
+class V2A_Sound {
+public:
+	V2A_Sound() : _id(0), _mod(NULL) { }
+	virtual ~V2A_Sound() {};
+	virtual void start(Player_MOD *mod, int id, const byte *data) = 0;
+	virtual bool update() = 0;
+	virtual void stop() = 0;
+protected:
+	int _id;
+	Player_MOD *_mod;
+};
+
+// unsupported sound effect, print warning message to console
+class V2A_Sound_Unsupported : public V2A_Sound {
+public:
+	V2A_Sound_Unsupported() { }
+	virtual void start(Player_MOD *mod, int id, const byte *data) {
+		warning("player_v2a - sound %i not supported yet", id);
+	}
+	virtual bool update() { return false; }
+	virtual void stop() { }
+};
+
+// template, automatically stops all channels when a sound is silenced
+template<int numChan>
+class V2A_Sound_Base : public V2A_Sound {
+public:
+	V2A_Sound_Base() : _offset(0), _size(0), _data(0) { }
+	V2A_Sound_Base(uint16 offset, uint16 size) : _offset(offset), _size(size), _data(0) { }
+	virtual void stop() {
+		assert(_id);
+		for (int i = 0; i < numChan; i++)
+			_mod->stopChannel(_id | (i << 8));
+		_id = 0;
+		free(_data);
+		_data = 0;
+	}
+protected:
+	const uint16 _offset;
+	const uint16 _size;
+
+	char *_data;
+};
+
+// plays a music track
+class V2A_Sound_Music : public V2A_Sound {
+public:
+	V2A_Sound_Music(uint16 instoff, uint16 voloff, uint16 chan1off, uint16 chan2off, uint16 chan3off, uint16 chan4off, uint16 sampoff, bool looped) :
+		_instoff(instoff), _voloff(voloff), _chan1off(chan1off), _chan2off(chan2off), _chan3off(chan3off), _chan4off(chan4off), _sampoff(sampoff), _looped(looped) { }
+	virtual void start(Player_MOD *mod, int id, const byte *data) {
+		_mod = mod;
+		_id = id;
+
+		_data = (char *)malloc(READ_LE_UINT16(data));
+		memcpy(_data, data, READ_LE_UINT16(data));
+
+		_chan[0].dataptr_i = _chan1off;
+		_chan[1].dataptr_i = _chan2off;
+		_chan[2].dataptr_i = _chan3off;
+		_chan[3].dataptr_i = _chan4off;
+		for (int i = 0; i < 4; i++) {
+			_chan[i].dataptr = _chan[i].dataptr_i;
+			_chan[i].volbase = 0;
+			_chan[i].volptr = 0;
+			_chan[i].chan = 0;
+			_chan[i].dur = 0;
+			_chan[i].ticks = 0;
+		}
+		update();
+	}
+	virtual bool update() {
+		assert(_id);
+		int i, j = 0;
+		for (i = 0; i < 4; i++) {
+			if (_chan[i].dur) {
+				if (!--_chan[i].dur) {
+					_mod->stopChannel(_id | (_chan[i].chan << 8));
+				} else {
+					_mod->setChannelVol(_id | (_chan[i].chan << 8),
+						READ_BE_UINT16(_data + _chan[i].volbase + (_chan[i].volptr++ << 1)));
+					if (_chan[i].volptr == 0) {
+						_mod->stopChannel(_id | (_chan[i].chan << 8));
+						_chan[i].dur = 0;
+					}
+				}
+			}
+			if (!_chan[i].dataptr) {
+				j++;
+				continue;
+			}
+			if (READ_BE_UINT16(_data + _chan[i].dataptr) <= _chan[i].ticks) {
+				if (READ_BE_UINT16(_data + _chan[i].dataptr + 2) == 0xFFFF) {
+					if (_looped) {
+						_chan[i].dataptr = _chan[i].dataptr_i;
+						_chan[i].ticks = 0;
+						if (READ_BE_UINT16(_data + _chan[i].dataptr) > 0) {
+							_chan[i].ticks++;
+							continue;
+						}
+					} else {
+						_chan[i].dataptr = 0;
+						j++;
+						continue;
+					}
+				}
+				int freq = BASE_FREQUENCY / READ_BE_UINT16(_data + _chan[i].dataptr + 2);
+				int inst = READ_BE_UINT16(_data + _chan[i].dataptr + 8);
+				_chan[i].volbase = _voloff + (READ_BE_UINT16(_data + _instoff + (inst << 5)) << 9);
+				_chan[i].volptr = 0;
+				_chan[i].chan = READ_BE_UINT16(_data + _chan[i].dataptr + 6) & 0x3;
+
+				if (_chan[i].dur)	// if there's something playing, stop it
+					_mod->stopChannel(_id | (_chan[i].chan << 8));
+
+				_chan[i].dur = READ_BE_UINT16(_data + _chan[i].dataptr + 4);
+
+				int vol = READ_BE_UINT16(_data + _chan[i].volbase + (_chan[i].volptr++ << 1));
+
+				int pan;
+				if ((_chan[i].chan == 0) || (_chan[i].chan == 3))
+					pan = -127;
+				else	pan = 127;
+				int offset = READ_BE_UINT16(_data + _instoff + (inst << 5) + 0x14);
+				int len = READ_BE_UINT16(_data + _instoff + (inst << 5) + 0x18);
+				int loopoffset = READ_BE_UINT16(_data + _instoff + (inst << 5) + 0x16);
+				int looplen = READ_BE_UINT16(_data + _instoff + (inst << 5) + 0x10);
+
+				int size = len + looplen;
+				char *data = (char *)malloc(size);
+				memcpy(data, _data + _sampoff + offset, len);
+				memcpy(data + len, _data + _sampoff + loopoffset, looplen);
+
+				_mod->startChannel(_id | (_chan[i].chan << 8), data, size, freq, vol, len, looplen + len, pan);
+				_chan[i].dataptr += 16;
+			}
+			_chan[i].ticks++;
+		}
+		if (j == 4)
+			return false;
+		return true;
+	}
+	virtual void stop() {
+		assert(_id);
+		for (int i = 0; i < 4; i++) {
+			if (_chan[i].dur)
+				_mod->stopChannel(_id | (_chan[i].chan << 8));
+		}
+		free(_data);
+		_id = 0;
+	}
+private:
+	const uint16 _instoff;
+	const uint16 _voloff;
+	const uint16 _chan1off;
+	const uint16 _chan2off;
+	const uint16 _chan3off;
+	const uint16 _chan4off;
+	const uint16 _sampoff;
+	const bool _looped;
+
+	char *_data;
+	struct tchan {
+		uint16 dataptr_i;
+		uint16 dataptr;
+		uint16 volbase;
+		uint8 volptr;
+		uint16 chan;
+		uint16 dur;
+		uint16 ticks;
+	} _chan[4];
+};
+
+// plays a single waveform
+class V2A_Sound_Single : public V2A_Sound_Base<1> {
+public:
+	V2A_Sound_Single(uint16 offset, uint16 size, uint16 freq, uint8 vol) :
+		V2A_Sound_Base<1>(offset, size), _freq(freq), _vol(vol) { }
+	virtual void start(Player_MOD *mod, int id, const byte *data) {
+		_mod = mod;
+		_id = id;
+		char *tmp_data = (char *)malloc(_size);
+		memcpy(tmp_data, data + _offset, _size);
+		int vol = (_vol << 2) | (_vol >> 4);
+		_mod->startChannel(_id, tmp_data, _size, BASE_FREQUENCY / _freq, vol, 0, 0);
+		_ticks = 1 + (60 * _size * _freq) / BASE_FREQUENCY;
+	}
+	virtual bool update() {
+		assert(_id);
+		_ticks--;
+		if (!_ticks) {
+			return false;
+		}
+		return true;
+	}
+private:
+	const uint16 _freq;
+	const uint8 _vol;
+
+	int _ticks;
+};
+
+// plays a single looped waveform
+class V2A_Sound_SingleLooped : public V2A_Sound_Base<1> {
+public:
+	V2A_Sound_SingleLooped(uint16 offset, uint16 size, uint16 freq, uint8 vol, uint16 loopoffset, uint16 loopsize) :
+		V2A_Sound_Base<1>(offset, size), _loopoffset(loopoffset), _loopsize(loopsize), _freq(freq), _vol(vol) { }
+	V2A_Sound_SingleLooped(uint16 offset, uint16 size, uint16 freq, uint8 vol) :
+		V2A_Sound_Base<1>(offset, size), _loopoffset(0), _loopsize(size), _freq(freq), _vol(vol) { }
+	virtual void start(Player_MOD *mod, int id, const byte *data) {
+		_mod = mod;
+		_id = id;
+		char *tmp_data = (char *)malloc(_size);
+		memcpy(tmp_data, data + _offset, _size);
+		int vol = (_vol << 2) | (_vol >> 4);
+		_mod->startChannel(_id, tmp_data, _size, BASE_FREQUENCY / _freq, vol, _loopoffset, _loopoffset + _loopsize);
+	}
+	virtual bool update() {
+		assert(_id);
+		return true;
+	}
+private:
+	const uint16 _loopoffset;
+	const uint16 _loopsize;
+	const uint16 _freq;
+	const uint8 _vol;
+};
+
+// plays two looped waveforms
+class V2A_Sound_MultiLooped : public V2A_Sound_Base<2> {
+public:
+	V2A_Sound_MultiLooped(uint16 offset, uint16 size, uint16 freq1, uint8 vol1, uint16 freq2, uint8 vol2) :
+		V2A_Sound_Base<2>(offset, size), _freq1(freq1), _vol1(vol1), _freq2(freq2), _vol2(vol2) { }
+	virtual void start(Player_MOD *mod, int id, const byte *data) {
+		_mod = mod;
+		_id = id;
+		char *tmp_data1 = (char *)malloc(_size);
+		char *tmp_data2 = (char *)malloc(_size);
+		memcpy(tmp_data1, data + _offset, _size);
+		memcpy(tmp_data2, data + _offset, _size);
+		int vol1 = (_vol1 << 1) | (_vol1 >> 5);
+		int vol2 = (_vol2 << 1) | (_vol2 >> 5);
+		_mod->startChannel(_id | 0x000, tmp_data1, _size, BASE_FREQUENCY / _freq1, vol1, 0, _size, -127);
+		_mod->startChannel(_id | 0x100, tmp_data2, _size, BASE_FREQUENCY / _freq2, vol2, 0, _size, 127);
+	}
+	virtual bool update() {
+		assert(_id);
+		return true;
+	}
+private:
+	const uint16 _freq1;
+	const uint8 _vol1;
+	const uint16 _freq2;
+	const uint8 _vol2;
+};
+
+// plays two looped waveforms for a fixed number of frames
+class V2A_Sound_MultiLoopedDuration : public V2A_Sound_MultiLooped {
+public:
+	V2A_Sound_MultiLoopedDuration(uint16 offset, uint16 size, uint16 freq1, uint8 vol1, uint16 freq2, uint8 vol2, uint16 numframes) :
+		V2A_Sound_MultiLooped(offset, size, freq1, vol1, freq2, vol2), _duration(numframes) { }
+	virtual void start(Player_MOD *mod, int id, const byte *data) {
+		V2A_Sound_MultiLooped::start(mod, id, data);
+		_ticks = 0;
+	}
+	virtual bool update() {
+		assert(_id);
+		_ticks++;
+		if (_ticks >= _duration)
+			return false;
+		return true;
+	}
+private:
+	const uint16 _duration;
+
+	int _ticks;
+};
+
+// plays a single looped waveform which starts at one frequency and bends to another frequency, where it remains until stopped
+class V2A_Sound_SingleLoopedPitchbend : public V2A_Sound_Base<1> {
+public:
+	V2A_Sound_SingleLoopedPitchbend(uint16 offset, uint16 size, uint16 freq1, uint16 freq2, uint8 vol, uint8 step) :
+		V2A_Sound_Base<1>(offset, size), _freq1(freq1), _freq2(freq2), _vol(vol), _step(step) { }
+	virtual void start(Player_MOD *mod, int id, const byte *data) {
+		_mod = mod;
+		_id = id;
+		char *tmp_data = (char *)malloc(_size);
+		memcpy(tmp_data, data + _offset, _size);
+		int vol = (_vol << 2) | (_vol >> 4);
+		_curfreq = _freq1;
+		_mod->startChannel(_id, tmp_data, _size, BASE_FREQUENCY / _curfreq, vol, 0, _size);
+	}
+	virtual bool update() {
+		assert(_id);
+		if (_freq1 < _freq2) {
+			_curfreq += _step;
+			if (_curfreq > _freq2)
+				_curfreq = _freq2;
+			else
+				_mod->setChannelFreq(_id, BASE_FREQUENCY / _curfreq);
+		} else {
+			_curfreq -= _step;
+			if (_curfreq < _freq2)
+				_curfreq = _freq2;
+			else
+				_mod->setChannelFreq(_id, BASE_FREQUENCY / _curfreq);
+		}
+		return true;
+	}
+private:
+	const uint16 _freq1;
+	const uint16 _freq2;
+	const uint8 _vol;
+	const uint16 _step;
+
+	uint16 _curfreq;
+};
+
+// plays a single looped waveform starting at a specific frequency/volume, dropping in frequency and fading volume to zero
+// used when Maniac Mansion explodes
+class V2A_Sound_Special_ManiacNuclear : public V2A_Sound_Base<1> {
+public:
+	V2A_Sound_Special_ManiacNuclear(uint16 offset, uint16 size, uint16 freq, uint8 vol) :
+		V2A_Sound_Base<1>(offset, size), _freq(freq), _vol(vol) { }
+	virtual void start(Player_MOD *mod, int id, const byte *data) {
+		_mod = mod;
+		_id = id;
+		char *tmp_data = (char *)malloc(_size);
+		memcpy(tmp_data, data + _offset, _size);
+		_curvol = (_vol << 3) | (_vol >> 3);
+		_curfreq = _freq;
+		_mod->startChannel(_id, tmp_data, _size, BASE_FREQUENCY / _curfreq, _curvol >> 1, 0, _size);
+	}
+	virtual bool update() {
+		assert(_id);
+		_curfreq += 2;
+		_mod->setChannelFreq(_id, BASE_FREQUENCY / _curfreq);
+		_curvol--;
+		if (_curvol == 0)
+			return false;
+		_mod->setChannelVol(_id, _curvol >> 1);
+		return true;
+	}
+private:
+	const uint16 _freq;
+	const uint8 _vol;
+
+	uint16 _curfreq;
+	uint16 _curvol;
+};
+
+// plays a single looped waveform, fading the volume from zero to maximum at one rate, then back to zero at another rate
+// used when a microwave oven goes 'Ding'
+class V2A_Sound_Special_ManiacDing : public V2A_Sound_Base<1> {
+public:
+	V2A_Sound_Special_ManiacDing(uint16 offset, uint16 size, uint16 freq, uint8 fadeinrate, uint8 fadeoutrate) :
+		V2A_Sound_Base<1>(offset, size), _freq(freq), _fade1(fadeinrate), _fade2(fadeoutrate) { }
+	virtual void start(Player_MOD *mod, int id, const byte *data) {
+		_mod = mod;
+		_id = id;
+		char *tmp_data = (char *)malloc(_size);
+		memcpy(tmp_data, data + _offset, _size);
+		_curvol = 1;
+		_dir = 0;
+		_mod->startChannel(_id, tmp_data, _size, BASE_FREQUENCY / _freq, _curvol, 0, _size);
+	}
+	virtual bool update() {
+		assert(_id);
+		if (_dir == 0) {
+			_curvol += _fade1;
+			if (_curvol > 0x3F) {
+				_curvol = 0x3F;
+				_dir = 1;
+			}
+		} else {
+			_curvol -= _fade2;
+			if (_curvol < 1)
+				return false;
+		}
+		_mod->setChannelVol(_id, (_curvol << 2) | (_curvol >> 4));
+		return true;
+	}
+private:
+	const uint16 _freq;
+	const uint16 _fade1;
+	const uint16 _fade2;
+
+	int _curvol;
+	int _dir;
+};
+
+// plays two looped waveforms, fading the volume from zero to maximum at one rate, then back to zero at another rate
+// used in Zak McKracken for several stereo 'Ding' sounds
+class V2A_Sound_Special_ZakStereoDing : public V2A_Sound_Base<2> {
+public:
+	V2A_Sound_Special_ZakStereoDing(uint16 offset, uint16 size, uint16 freq1, uint16 freq2, uint8 fadeinrate, uint8 fadeoutrate) :
+		V2A_Sound_Base<2>(offset, size), _freq1(freq1), _freq2(freq2), _fade1(fadeinrate), _fade2(fadeoutrate) { }
+	virtual void start(Player_MOD *mod, int id, const byte *data) {
+		_mod = mod;
+		_id = id;
+		char *tmp_data1 = (char *)malloc(_size);
+		char *tmp_data2 = (char *)malloc(_size);
+		memcpy(tmp_data1, data + _offset, _size);
+		memcpy(tmp_data2, data + _offset, _size);
+		_curvol = 1;
+		_dir = 0;
+		_mod->startChannel(_id | 0x000, tmp_data1, _size, BASE_FREQUENCY / _freq1, 1, 0, _size, -127);
+		_mod->startChannel(_id | 0x100, tmp_data2, _size, BASE_FREQUENCY / _freq2, 1, 0, _size, 127);
+	}
+	virtual bool update() {
+		assert(_id);
+		if (_dir == 0) {
+			_curvol += _fade1;
+			if (_curvol > 0x3F) {
+				_curvol = 0x3F;
+				_dir = 1;
+			}
+		} else {
+			_curvol -= _fade2;
+			if (_curvol < 1)
+				return false;
+		}
+		_mod->setChannelVol(_id | 0x000, (_curvol << 1) | (_curvol >> 5));
+		_mod->setChannelVol(_id | 0x100, (_curvol << 1) | (_curvol >> 5));
+		return true;
+	}
+private:
+	const uint16 _freq1;
+	const uint16 _freq2;
+	const uint16 _fade1;
+	const uint16 _fade2;
+
+	int _curvol;
+	int _dir;
+};
+
+// plays a single looped waveform, starting at one frequency and at full volume, bending down to another frequency, and then fading volume to zero
+// used in Maniac Mansion for the tentacle sounds
+class V2A_Sound_Special_ManiacTentacle : public V2A_Sound_Base<1> {
+public:
+	V2A_Sound_Special_ManiacTentacle(uint16 offset, uint16 size, uint16 freq1, uint16 freq2, uint16 step) :
+		V2A_Sound_Base<1>(offset, size), _freq1(freq1), _freq2(freq2), _step(step) { }
+	virtual void start(Player_MOD *mod, int id, const byte *data) {
+		_mod = mod;
+		_id = id;
+		char *tmp_data = (char *)malloc(_size);
+		memcpy(tmp_data, data + _offset, _size);
+		_curfreq = _freq1;
+		_curvol = 0x3F;
+		_mod->startChannel(_id, tmp_data, _size, BASE_FREQUENCY / _curfreq, (_curvol << 2) | (_curvol >> 4), 0, _size);
+	}
+	virtual bool update() {
+		assert(_id);
+		if (_curfreq > _freq2)
+			_curvol = 0x3F + _freq2 - _curfreq;
+		if (_curvol < 1)
+			return false;
+		_curfreq += _step;
+		_mod->setChannelFreq(_id, BASE_FREQUENCY / _curfreq);
+		_mod->setChannelVol(_id, (_curvol << 2) | (_curvol >> 4));
+		return true;
+	}
+private:
+	const uint16 _freq1;
+	const uint16 _freq2;
+	const uint16 _step;
+
+	uint16 _curfreq;
+	int _curvol;
+};
+
+// plays a single looped waveform, starting at one frequency, bending down to another frequency, and then back up to the original frequency
+// used for electronic noises
+class V2A_Sound_Special_ManiacElectric : public V2A_Sound_Base<1> {
+public:
+	V2A_Sound_Special_ManiacElectric(uint16 offset, uint16 size, uint16 freq1, uint16 freq2, uint16 step, uint8 vol) :
+		V2A_Sound_Base<1>(offset, size), _freq1(freq1), _freq2(freq2), _step(step), _vol(vol) { }
+	virtual void start(Player_MOD *mod, int id, const byte *data) {
+		_mod = mod;
+		_id = id;
+		char *tmp_data = (char *)malloc(_size);
+		memcpy(tmp_data, data + _offset, _size);
+		int vol = (_vol << 2) | (_vol >> 4);
+		_curfreq = _freq1;
+		_dir = 2;
+		_mod->startChannel(_id, tmp_data, _size, BASE_FREQUENCY / _curfreq, vol, 0, _size);
+	}
+	virtual bool update() {
+		assert(_id);
+		if (_dir == 2) {
+			_curfreq += _step;
+			if (_curfreq > _freq2) {
+				_curfreq = _freq2;
+				_dir = 1;
+			}
+			_mod->setChannelFreq(_id, BASE_FREQUENCY / _curfreq);
+		} else if (_dir == 1) {
+			_curfreq -= _step;
+			if (_curfreq < _freq1) {
+				_curfreq = _freq1;
+				_dir = 0;
+			}
+			_mod->setChannelFreq(_id, BASE_FREQUENCY / _curfreq);
+		}
+		return true;
+	}
+private:
+	const uint16 _freq1;
+	const uint16 _freq2;
+	const uint16 _step;
+	const uint8 _vol;
+
+	uint16 _curfreq;
+	int _dir;
+};
+
+// plays a single looped waveform, simultaneously bending the frequency downward and slowly fading volume to zero
+// don't remember where this one is used
+// old name: SlowPitchbendDownAndFadeout
+class V2A_Sound_Special_Maniac61 : public V2A_Sound_Base<1> {
+public:
+	V2A_Sound_Special_Maniac61(uint16 offset, uint16 size, uint16 freq1, uint16 freq2) :
+		V2A_Sound_Base<1>(offset, size), _freq1(freq1), _freq2(freq2) { }
+	virtual void start(Player_MOD *mod, int id, const byte *data) {
+		_mod = mod;
+		_id = id;
+		char *tmp_data = (char *)malloc(_size);
+		memcpy(tmp_data, data + _offset, _size);
+		_curfreq = _freq1;
+		_curvol = 0x3F;
+		_mod->startChannel(_id, tmp_data, _size, BASE_FREQUENCY / _curfreq, (_curvol << 2) | (_curvol >> 4), 0, _size);
+	}
+	virtual bool update() {
+		assert(_id);
+		_curfreq++;
+		if (!(_curfreq & 3))
+			_curvol--;
+		if ((_curfreq == _freq2) || (_curvol == 0))
+			return false;
+		_mod->setChannelFreq(_id, BASE_FREQUENCY / _curfreq);
+		_mod->setChannelVol(_id, (_curvol << 2) | (_curvol >> 4));
+		return true;
+	}
+private:
+	const uint16 _freq1;
+	const uint16 _freq2;
+
+	uint16 _curfreq;
+	uint8 _curvol;
+};
+
+// intermittently plays two looped waveforms for a specific duration
+// used for ringing telephones
+class V2A_Sound_Special_ManiacPhone : public V2A_Sound_Base<2> {
+public:
+	V2A_Sound_Special_ManiacPhone(uint16 offset, uint16 size, uint16 freq1, uint8 vol1, uint16 freq2, uint8 vol2, uint16 numframes, uint8 playwidth, uint8 loopwidth) :
+		V2A_Sound_Base<2>(offset, size), _freq1(freq1), _vol1(vol1), _freq2(freq2), _vol2(vol2), _duration(numframes), _playwidth(playwidth), _loopwidth(loopwidth) { }
+	virtual void start(Player_MOD *mod, int id, const byte *data) {
+		_mod = mod;
+		_id = id;
+		_data = (char *)malloc(READ_LE_UINT16(data));
+		memcpy(_data, data, READ_LE_UINT16(data));
+		soundon();
+		_ticks = 0;
+		_loop = 0;
+	}
+	virtual bool update() {
+		assert(_id);
+		if (_loop == _playwidth) {
+			_mod->stopChannel(_id | 0x000);
+			_mod->stopChannel(_id | 0x100);
+		}
+		if (_loop == _loopwidth) {
+			_loop = 0;
+			soundon();
+		}
+		_loop++;
+		_ticks++;
+		if (_ticks >= _duration)
+			return false;
+		return true;
+	}
+private:
+	const uint16 _freq1;
+	const uint8 _vol1;
+	const uint16 _freq2;
+	const uint8 _vol2;
+	const uint16 _duration;
+	const uint8 _playwidth;
+	const uint8 _loopwidth;
+
+	int _ticks;
+	int _loop;
+
+	void soundon() {
+		char *tmp_data1 = (char *)malloc(_size);
+		char *tmp_data2 = (char *)malloc(_size);
+		memcpy(tmp_data1, _data + _offset, _size);
+		memcpy(tmp_data2, _data + _offset, _size);
+		int vol1 = (_vol1 << 1) | (_vol1 >> 5);
+		int vol2 = (_vol2 << 1) | (_vol2 >> 5);
+		_mod->startChannel(_id | 0x000, tmp_data1, _size, BASE_FREQUENCY / _freq1, vol1, 0, _size, -127);
+		_mod->startChannel(_id | 0x100, tmp_data2, _size, BASE_FREQUENCY / _freq2, vol2, 0, _size, 127);
+	}
+};
+
+// intermittently plays a single waveform for a specified duration
+// used when applying a wrench to a pipe
+class V2A_Sound_Special_ManiacWrench : public V2A_Sound_Base<1> {
+public:
+	V2A_Sound_Special_ManiacWrench(uint16 offset, uint16 size, uint16 freq, uint8 vol, uint8 loopwidth, uint8 numloops) :
+		V2A_Sound_Base<1>(offset, size), _freq(freq), _vol(vol), _loopwidth(loopwidth), _numloops(numloops) { }
+	virtual void start(Player_MOD *mod, int id, const byte *data) {
+		_mod = mod;
+		_id = id;
+		_data = (char *)malloc(READ_LE_UINT16(data));
+		memcpy(_data, data, READ_LE_UINT16(data));
+		soundon();
+		_loop = 0;
+		_loopctr = 0;
+	}
+	virtual bool update() {
+		assert(_id);
+		_loop++;
+		if (_loop == _loopwidth) {
+			_loop = 0;
+			_loopctr++;
+			if (_loopctr == _numloops)
+				return false;
+			_mod->stopChannel(_id);
+			soundon();
+		}
+		return true;
+	}
+private:
+	const uint16 _freq;
+	const uint8 _vol;
+	const uint8 _loopwidth;
+	const uint8 _numloops;
+
+	int _loop;
+	int _loopctr;
+
+	void soundon() {
+		char *tmp_data = (char *)malloc(_size);
+		memcpy(tmp_data, _data + _offset, _size);
+		_mod->startChannel(_id, tmp_data, _size, BASE_FREQUENCY / _freq, (_vol << 2) | (_vol >> 4), 0, 0);
+	}
+};
+
+// plays a single waveform at irregular intervals for a specified number of frames, possibly looped
+// used for typewriter noises, as well as tapping on the bus in Zak McKracken
+class V2A_Sound_Special_ManiacTypewriter : public V2A_Sound_Base<1> {
+public:
+	V2A_Sound_Special_ManiacTypewriter(uint16 offset, uint16 size, uint16 freq, uint8 vol, uint8 numdurs, const uint8 *durations, bool looped) :
+		V2A_Sound_Base<1>(offset, size), _freq(freq), _vol(vol), _numdurs(numdurs), _durations(durations), _looped(looped) { }
+	virtual void start(Player_MOD *mod, int id, const byte *data) {
+		_mod = mod;
+		_id = id;
+		_data = (char *)malloc(READ_LE_UINT16(data));
+		memcpy(_data, data, READ_LE_UINT16(data));
+		soundon();
+		_curdur = 0;
+		_ticks = _durations[_curdur++];
+	}
+	virtual bool update() {
+		assert(_id);
+		_ticks--;
+		if (!_ticks) {
+			if (_curdur == _numdurs) {
+				if (_looped)
+					_curdur = 0;
+				else
+					return false;
+			}
+			_mod->stopChannel(_id);
+			soundon();
+			_ticks = _durations[_curdur++];
+		}
+		return true;
+	}
+private:
+	const uint16 _freq;
+	const uint8 _vol;
+	const uint8 _numdurs;
+	const uint8 *_durations;
+	const bool _looped;
+
+	int _ticks;
+	int _curdur;
+
+	void soundon() {
+		char *tmp_data = (char *)malloc(_size);
+		memcpy(tmp_data, _data + _offset, _size);
+		_mod->startChannel(_id, tmp_data, _size, BASE_FREQUENCY / _freq, (_vol << 2) | (_vol >> 4), 0, 0);
+	}
+};
+
+// plays two looped waveforms pitch bending up at various predefined rates
+// used for some sort of siren-like noise in Maniac Mansion
+// old name: TwinSirenMulti
+class V2A_Sound_Special_Maniac44 : public V2A_Sound_Base<2> {
+public:
+	V2A_Sound_Special_Maniac44(uint16 offset1, uint16 size1, uint16 offset2, uint16 size2, uint16 freq1, uint16 freq2, uint8 vol) :
+		_offset1(offset1), _size1(size1), _offset2(offset2), _size2(size2), _freq1(freq1), _freq2(freq2), _vol(vol) { }
+	virtual void start(Player_MOD *mod, int id, const byte *data) {
+		_mod = mod;
+		_id = id;
+		_data = (char *)malloc(READ_LE_UINT16(data));
+		memcpy(_data, data, READ_LE_UINT16(data));
+
+		_loopnum = 1;
+		_step = 2;
+		_curfreq = _freq1;
+
+		soundon(_data + _offset1, _size1);
+	}
+	virtual bool update() {
+		assert(_id);
+		_mod->setChannelFreq(_id | 0x000, BASE_FREQUENCY / _curfreq);
+		_mod->setChannelFreq(_id | 0x100, BASE_FREQUENCY / (_curfreq + 3));
+		_curfreq -= _step;
+		if (_loopnum == 7) {
+			if ((BASE_FREQUENCY / _curfreq) >= 65536)
+				return false;
+			else
+				return true;
+		}
+		if (_curfreq >= _freq2)
+			return true;
+		const char steps[8] = {0, 2, 2, 3, 4, 8, 15, 2};
+		_curfreq = _freq1;
+		_step = steps[++_loopnum];
+		if (_loopnum == 7) {
+			_mod->stopChannel(_id | 0x000);
+			_mod->stopChannel(_id | 0x100);
+			soundon(_data + _offset2, _size2);
+		}
+		return true;
+	}
+private:
+	const uint16 _offset1;
+	const uint16 _size1;
+	const uint16 _offset2;
+	const uint16 _size2;
+	const uint16 _freq1;
+	const uint16 _freq2;
+	const uint8 _vol;
+
+	int _curfreq;
+	uint16 _loopnum;
+	uint16 _step;
+
+	void soundon(const char *data, int size) {
+		char *tmp_data1 = (char *)malloc(size);
+		char *tmp_data2 = (char *)malloc(size);
+		memcpy(tmp_data1, data, size);
+		memcpy(tmp_data2, data, size);
+		int vol = (_vol << 1) | (_vol >> 5);
+		_mod->startChannel(_id | 0x000, tmp_data1, size, BASE_FREQUENCY / _curfreq, vol, 0, size, -127);
+		_mod->startChannel(_id | 0x100, tmp_data2, size, BASE_FREQUENCY / (_curfreq + 3), vol, 0, size, 127);
+	}
+};
+
+// plays 4 looped waveforms, each at modulating frequencies
+// used for the siren noise in Maniac Mansion
+class V2A_Sound_Special_ManiacSiren : public V2A_Sound_Base<4> {
+public:
+	V2A_Sound_Special_ManiacSiren(uint16 offset1, uint16 size1, uint16 offset2, uint16 size2, uint8 vol) :
+		_offset1(offset1), _size1(size1), _offset2(offset2), _size2(size2), _vol(vol) { }
+	virtual void start(Player_MOD *mod, int id, const byte *data) {
+		_mod = mod;
+		_id = id;
+
+		_freq1 = 0x02D0;
+		_step1 = -0x000A;
+		_freq2 = 0x0122;
+		_step2 = 0x000A;
+		_freq3 = 0x02BC;
+		_step3 = -0x0005;
+		_freq4 = 0x010E;
+		_step4 = 0x0007;
+
+		char *tmp_data1 = (char *)malloc(_size1);
+		char *tmp_data2 = (char *)malloc(_size2);
+		char *tmp_data3 = (char *)malloc(_size1);
+		char *tmp_data4 = (char *)malloc(_size2);
+		memcpy(tmp_data1, data + _offset1, _size1);
+		memcpy(tmp_data2, data + _offset2, _size2);
+		memcpy(tmp_data3, data + _offset1, _size1);
+		memcpy(tmp_data4, data + _offset2, _size2);
+		_mod->startChannel(_id | 0x000, tmp_data1, _size1, BASE_FREQUENCY / _freq1, _vol, 0, _size1, -127);
+		_mod->startChannel(_id | 0x100, tmp_data2, _size2, BASE_FREQUENCY / _freq2, _vol, 0, _size2, 127);
+		_mod->startChannel(_id | 0x200, tmp_data3, _size1, BASE_FREQUENCY / _freq3, _vol, 0, _size1, 127);
+		_mod->startChannel(_id | 0x300, tmp_data4, _size2, BASE_FREQUENCY / _freq4, _vol, 0, _size2, -127);
+	}
+	virtual bool update() {
+		assert(_id);
+		updatefreq(_freq1, _step1, 0x00AA, 0x00FA);
+		updatefreq(_freq2, _step2, 0x019A, 0x03B6);
+		updatefreq(_freq3, _step3, 0x00AA, 0x00FA);
+		updatefreq(_freq4, _step4, 0x019A, 0x03B6);
+		_mod->setChannelFreq(_id | 0x000, BASE_FREQUENCY / _freq1);
+		_mod->setChannelFreq(_id | 0x100, BASE_FREQUENCY / _freq2);
+		_mod->setChannelFreq(_id | 0x200, BASE_FREQUENCY / _freq3);
+		_mod->setChannelFreq(_id | 0x300, BASE_FREQUENCY / _freq4);
+		return true;
+	}
+private:
+	const uint16 _offset1;
+	const uint16 _size1;
+	const uint16 _offset2;
+	const uint16 _size2;
+	const uint8 _vol;
+
+	uint16 _freq1;
+	int16 _step1;
+	uint16 _freq2;
+	int16 _step2;
+	uint16 _freq3;
+	int16 _step3;
+	uint16 _freq4;
+	int16 _step4;
+
+	void updatefreq (uint16 &freq, int16 &step, uint16 min, uint16 max) {
+		freq += step;
+		if (freq <= min) {
+			freq = min;
+			step = -step;
+		}
+		if (freq >= max) {
+			freq = max;
+			step = -step;
+		}
+	}
+};
+
+// plays 4 looped waveforms
+// some sort of laserbeam-like sound effect in Zak
+// old name: QuadFreqLooped
+class V2A_Sound_Special_Zak70 : public V2A_Sound_Base<4> {
+public:
+	V2A_Sound_Special_Zak70(uint16 offset, uint16 size, uint16 freq1, uint16 freq2, uint16 freq3, uint16 freq4, uint8 vol) :
+		V2A_Sound_Base<4>(offset, size), _freq1(freq1), _freq2(freq2), _freq3(freq3), _freq4(freq4), _vol(vol) { }
+	virtual void start(Player_MOD *mod, int id, const byte *data) {
+		_mod = mod;
+		_id = id;
+
+		char *tmp_data1 = (char *)malloc(_size);
+		char *tmp_data2 = (char *)malloc(_size);
+		char *tmp_data3 = (char *)malloc(_size);
+		char *tmp_data4 = (char *)malloc(_size);
+		memcpy(tmp_data1, data + _offset, _size);
+		memcpy(tmp_data2, data + _offset, _size);
+		memcpy(tmp_data3, data + _offset, _size);
+		memcpy(tmp_data4, data + _offset, _size);
+		_mod->startChannel(_id | 0x000, tmp_data1, _size, BASE_FREQUENCY / _freq1, _vol, 0, _size, -127);
+		_mod->startChannel(_id | 0x100, tmp_data2, _size, BASE_FREQUENCY / _freq2, _vol, 0, _size, 127);
+		_mod->startChannel(_id | 0x200, tmp_data3, _size, BASE_FREQUENCY / _freq3, _vol, 0, _size, 127);
+		_mod->startChannel(_id | 0x300, tmp_data4, _size, BASE_FREQUENCY / _freq4, _vol, 0, _size, -127);
+	}
+	virtual bool update() {
+		assert(_id);
+		return true;
+	}
+protected:
+	const uint16 _freq1;
+	const uint16 _freq2;
+	const uint16 _freq3;
+	const uint16 _freq4;
+	const uint8 _vol;
+};
+
+// plays 4 looped waveforms and fades volume to zero after a specific delay
+// some whooshing-type sound in Zak
+// old name: QuadFreqFadeout
+class V2A_Sound_Special_Zak101 : public V2A_Sound_Special_Zak70 {
+public:
+	V2A_Sound_Special_Zak101(uint16 offset, uint16 size, uint16 freq1, uint16 freq2, uint16 freq3, uint16 freq4, uint8 vol, uint16 dur) :
+		V2A_Sound_Special_Zak70(offset, size, freq1, freq2, freq3, freq4, vol), _dur(dur) { }
+	virtual void start(Player_MOD *mod, int id, const byte *data) {
+		V2A_Sound_Special_Zak70::start(mod, id, data);
+		_ticks = _dur;
+	}
+	virtual bool update() {
+		assert(_id);
+		if (!--_ticks)
+			return false;
+		if (_ticks < _vol) {
+			_mod->setChannelVol(_id | 0x000, _ticks);
+			_mod->setChannelVol(_id | 0x100, _ticks);
+			_mod->setChannelVol(_id | 0x200, _ticks);
+			_mod->setChannelVol(_id | 0x300, _ticks);
+		}
+		return true;
+	}
+private:
+	const uint16 _dur;
+
+	int _ticks;
+};
+
+// plays a single looped waveform and slowly fades volume to zero
+// another whooshing-type noise in Zak
+// old name: SingleFadeout
+class V2A_Sound_Special_Zak37 : public V2A_Sound_Base<1> {
+public:
+	V2A_Sound_Special_Zak37(uint16 offset, uint16 size, uint16 freq, uint8 vol) :
+		V2A_Sound_Base<1>(offset, size), _freq(freq), _vol(vol) { }
+	virtual void start(Player_MOD *mod, int id, const byte *data) {
+		_mod = mod;
+		_id = id;
+		char *tmp_data = (char *)malloc(_size);
+		memcpy(tmp_data, data + _offset, _size);
+		_curvol = _vol << 2;
+		_mod->startChannel(_id, tmp_data, _size, BASE_FREQUENCY / _freq, _curvol, 0, _size);
+	}
+	virtual bool update() {
+		assert(_id);
+		if (!--_curvol)
+			return false;
+		_mod->setChannelVol(_id, _curvol);
+		return true;
+	}
+private:
+	const uint16 _freq;
+	const uint8 _vol;
+
+	int _curvol;
+};
+
+// plays a single looped waveform, slowly bending from one frequency to another and then slowly fading volume from max to zero
+// used in Zak for airplane taking off and landing
+class V2A_Sound_Special_ZakAirplane : public V2A_Sound_Base<1> {
+public:
+	V2A_Sound_Special_ZakAirplane(uint16 offset, uint16 size, uint16 freq1, uint16 freq2) :
+		V2A_Sound_Base<1>(offset, size), _freq1(freq1), _freq2(freq2) { }
+	virtual void start(Player_MOD *mod, int id, const byte *data) {
+		_mod = mod;
+		_id = id;
+		char *tmp_data = (char *)malloc(_size);
+		memcpy(tmp_data, data + _offset, _size);
+		_curfreq = _freq1;
+		_curvol = 0x3F;
+		_mod->startChannel(_id, tmp_data, _size, BASE_FREQUENCY / _curfreq, (_curvol << 2) | (_curvol >> 4), 0, _size);
+		_ticks = 0;
+	}
+	virtual bool update() {
+		assert(_id);
+		_ticks++;
+		if (_ticks < 4)
+			return true;
+		_ticks = 0;
+		if (_curfreq == _freq2) {
+			_curvol--;
+			if (_curvol == 0)
+				return false;
+			_mod->setChannelVol(_id, (_curvol << 2) | (_curvol >> 4));
+		}
+		else {
+			if (_freq1 < _freq2)
+				_curfreq++;
+			else
+				_curfreq--;
+			_mod->setChannelFreq(_id, BASE_FREQUENCY / _curfreq);
+		}
+		return true;
+	}
+private:
+	const uint16 _freq1;
+	const uint16 _freq2;
+
+	uint16 _curfreq;
+	int _curvol;
+	int _ticks;
+};
+
+// plays 4 looped waveforms, starting at specific frequencies and bending at different rates while fading volume to zero
+// used for some weird sound effect
+class V2A_Sound_Special_Zak71 : public V2A_Sound_Base<4> {
+public:
+	V2A_Sound_Special_Zak71(uint16 offset, uint16 size) :
+		_offset(offset), _size(size) { }
+	virtual void start(Player_MOD *mod, int id, const byte *data) {
+		_mod = mod;
+		_id = id;
+
+		_freq1 = 0x00C8;
+		_freq2 = 0x0190;
+		_freq3 = 0x0320;
+		_freq4 = 0x0640;
+		_vol = 0x78;
+
+		char *tmp_data1 = (char *)malloc(_size);
+		char *tmp_data2 = (char *)malloc(_size);
+		char *tmp_data3 = (char *)malloc(_size);
+		char *tmp_data4 = (char *)malloc(_size);
+		memcpy(tmp_data1, data + _offset, _size);
+		memcpy(tmp_data2, data + _offset, _size);
+		memcpy(tmp_data3, data + _offset, _size);
+		memcpy(tmp_data4, data + _offset, _size);
+		_mod->startChannel(_id | 0x000, tmp_data1, _size, BASE_FREQUENCY / _freq1, MIN((_vol >> 1) + 3,0x32), 0, _size, -127);
+		_mod->startChannel(_id | 0x100, tmp_data2, _size, BASE_FREQUENCY / _freq2, MIN((_vol >> 1) + 3,0x32), 0, _size, 127);
+		_mod->startChannel(_id | 0x200, tmp_data3, _size, BASE_FREQUENCY / _freq3, MIN((_vol >> 1) + 3,0x32), 0, _size, 127);
+		_mod->startChannel(_id | 0x300, tmp_data4, _size, BASE_FREQUENCY / _freq4, MIN((_vol >> 1) + 3,0x32), 0, _size, -127);
+	}
+	virtual bool update() {
+		assert(_id);
+		_freq1 += 0x14;
+		_freq2 += 0x1E;
+		_freq3 += 0x32;
+		_freq4 += 0x50;
+		_mod->setChannelFreq(_id | 0x000, BASE_FREQUENCY / _freq1);
+		_mod->setChannelFreq(_id | 0x100, BASE_FREQUENCY / _freq2);
+		_mod->setChannelFreq(_id | 0x200, BASE_FREQUENCY / _freq3);
+		_mod->setChannelFreq(_id | 0x300, BASE_FREQUENCY / _freq4);
+		_vol--;
+		if (_vol == 0)
+			return false;
+		_mod->setChannelVol(_id | 0x000, MIN((_vol >> 1) + 3,0x32));
+		_mod->setChannelVol(_id | 0x100, MIN((_vol >> 1) + 3,0x32));
+		_mod->setChannelVol(_id | 0x200, MIN((_vol >> 1) + 3,0x32));
+		_mod->setChannelVol(_id | 0x300, MIN((_vol >> 1) + 3,0x32));
+		return true;
+	}
+private:
+	const uint16 _offset;
+	const uint16 _size;
+
+	uint16 _freq1;
+	uint16 _freq2;
+	uint16 _freq3;
+	uint16 _freq4;
+	uint8 _vol;
+};
+
+// plays a single looped waveform, bending the frequency upward at a varying rate
+// used in Zak for the tram on Mars (?)
+class V2A_Sound_Special_ZakTram : public V2A_Sound_Base<1> {
+public:
+	V2A_Sound_Special_ZakTram(uint16 offset, uint16 size, uint16 freq1, uint16 freq2, uint8 vol) :
+		V2A_Sound_Base<1>(offset, size), _freq1(freq1), _freq2(freq2), _vol(vol) { }
+	virtual void start(Player_MOD *mod, int id, const byte *data) {
+		_mod = mod;
+		_id = id;
+		char *tmp_data = (char *)malloc(_size);
+		memcpy(tmp_data, data + _offset, _size);
+		_curfreq = _freq1;
+		_mod->startChannel(_id, tmp_data, _size, BASE_FREQUENCY / _curfreq, (_vol << 2) | (_vol >> 4), 0, _size);
+		_bendrate = 8;
+		_bendctr = 100;
+		_holdctr = 30;
+	}
+	virtual bool update() {
+		assert(_id);
+		if (_curfreq >= _freq2)
+		{
+			_mod->setChannelFreq(_id, BASE_FREQUENCY / _curfreq);
+			_curfreq -= _bendrate;
+			if (--_bendctr)
+				return true;
+			_bendrate--;
+			if (_bendrate < 2)
+				_bendrate = 2;
+		}
+		else
+		{
+			if (!--_holdctr)
+				return false;
+		}
+		return true;
+	}
+private:
+	const uint16 _freq1;
+	const uint16 _freq2;
+	const uint16 _vol;
+
+	uint16 _curfreq;
+	uint16 _bendrate;
+	uint16 _bendctr;
+	uint16 _holdctr;
+};
+
+// plays one waveform, then switches to a different looped waveform and slowly fades volume to zero
+// used for some odd sound effect
+class V2A_Sound_Special_Zak54 : public V2A_Sound_Base<1> {
+public:
+	V2A_Sound_Special_Zak54(uint16 offset1, uint16 size1, uint16 offset2, uint16 size2, uint16 freq) :
+		_offset1(offset1), _size1(size1), _offset2(offset2), _size2(size2), _freq(freq) { }
+	virtual void start(Player_MOD *mod, int id, const byte *data) {
+		_mod = mod;
+		_id = id;
+		_data = (char *)malloc(READ_LE_UINT16(data));
+		memcpy(_data, data, READ_LE_UINT16(data));
+		char *tmp_data = (char *)malloc(_size1);
+		memcpy(tmp_data, data + _offset1, _size1);
+		_vol = 0xFC;
+		_mod->startChannel(_id, tmp_data, _size1, BASE_FREQUENCY / _freq, _vol, 0, _size1);
+		_loop = _size1 * _freq * 60 / BASE_FREQUENCY;
+	}
+	virtual bool update() {
+		assert(_id);
+		if (!_loop)
+		{
+			_vol--;
+			if (_vol)
+				_mod->setChannelVol(_id, _vol);
+			else	return false;
+		}
+		else if (!--_loop)
+		{
+			_mod->stopChannel(_id);
+			char *tmp_data = (char *)malloc(_size2);
+			memcpy(tmp_data, _data + _offset2, _size2);
+			_mod->startChannel(_id, tmp_data, _size2, BASE_FREQUENCY / _freq, _vol, 0, _size2);
+		}
+		return true;
+	}
+
+private:
+	const uint16 _offset1;
+	const uint16 _offset2;
+	const uint16 _size1;
+	const uint16 _size2;
+	const uint16 _freq;
+
+	int _vol;
+	int _loop;
+};
+
+#define CRCToSound(CRC, SOUND)  \
+	if (crc == CRC)             \
+		return new SOUND
+
+static V2A_Sound *findSound (unsigned long crc) {
+	CRCToSound(0x8FAB08C4, V2A_Sound_SingleLooped(0x006C,0x2B58,0x016E,0x3F));	// Maniac 17
+	CRCToSound(0xB673160A, V2A_Sound_SingleLooped(0x006C,0x1E78,0x01C2,0x1E));	// Maniac 38
+	CRCToSound(0x4DB1D0B2, V2A_Sound_MultiLooped(0x0072,0x1BC8,0x023D,0x3F,0x0224,0x3F));	// Maniac 20
+	CRCToSound(0x754D75EF, V2A_Sound_Single(0x0076,0x0738,0x01FC,0x3F));	// Maniac 10
+	CRCToSound(0x6E3454AF, V2A_Sound_Single(0x0076,0x050A,0x017C,0x3F));	// Maniac 12
+	CRCToSound(0x92F0BBB6, V2A_Sound_Single(0x0076,0x3288,0x012E,0x3F));	// Maniac 41
+	CRCToSound(0xE1B13982, V2A_Sound_MultiLoopedDuration(0x0078,0x0040,0x007C,0x3F,0x007B,0x3F,0x001E));	// Maniac 21
+	CRCToSound(0x288B16CF, V2A_Sound_MultiLoopedDuration(0x007A,0x0040,0x007C,0x3F,0x007B,0x3F,0x000A));	// Maniac 11
+	CRCToSound(0xA7565268, V2A_Sound_MultiLoopedDuration(0x007A,0x0040,0x00F8,0x3F,0x00F7,0x3F,0x000A));	// Maniac 19
+	CRCToSound(0x7D419BFC, V2A_Sound_MultiLoopedDuration(0x007E,0x0040,0x012C,0x3F,0x0149,0x3F,0x001E));	// Maniac 22
+	CRCToSound(0x1B52280C, V2A_Sound_Single(0x0098,0x0A58,0x007F,0x32));	// Maniac 6
+	CRCToSound(0x38D4A810, V2A_Sound_Single(0x0098,0x2F3C,0x0258,0x32));	// Maniac 7
+	CRCToSound(0x09F98FC2, V2A_Sound_Single(0x0098,0x0A56,0x012C,0x32));	// Maniac 16
+	CRCToSound(0x90440A65, V2A_Sound_Single(0x0098,0x0208,0x0078,0x28));	// Maniac 28
+	CRCToSound(0x985C76EF, V2A_Sound_Single(0x0098,0x0D6E,0x00C8,0x32));	// Maniac 30
+	CRCToSound(0x76156137, V2A_Sound_Single(0x0098,0x2610,0x017C,0x39));	// Maniac 39
+	CRCToSound(0x5D95F88C, V2A_Sound_Single(0x0098,0x0A58,0x007F,0x1E));	// Maniac 65
+	CRCToSound(0x92D704EA, V2A_Sound_SingleLooped(0x009C,0x29BC,0x012C,0x3F,0x1BD4,0x0DE8));	// Maniac 15
+	CRCToSound(0x92F5513C, V2A_Sound_Single(0x009E,0x0DD4,0x01F4,0x3F));	// Maniac 13
+	CRCToSound(0xCC2F3B5A, V2A_Sound_Single(0x009E,0x00DE,0x01AC,0x3F));	// Maniac 43
+	CRCToSound(0x153207D3, V2A_Sound_Single(0x009E,0x0E06,0x02A8,0x3F));	// Maniac 67
+	CRCToSound(0xC4F370CE, V2A_Sound_Single(0x00AE,0x0330,0x01AC,0x3F));	// Maniac 8
+	CRCToSound(0x928C4BAC, V2A_Sound_Single(0x00AE,0x08D6,0x01AC,0x3F));	// Maniac 9
+	CRCToSound(0x62D5B11F, V2A_Sound_Single(0x00AE,0x165C,0x01CB,0x3F));	// Maniac 27
+	CRCToSound(0x3AB22CB5, V2A_Sound_Single(0x00AE,0x294E,0x012A,0x3F));	// Maniac 62
+	CRCToSound(0x2D70BBE9, V2A_Sound_SingleLoopedPitchbend(0x00B4,0x1702,0x03E8,0x0190,0x3F,5));	// Maniac 64
+	CRCToSound(0xFA4C1B1C, V2A_Sound_Special_ManiacNuclear(0x00B2,0x1702,0x0190,0x3F));	// Maniac 69
+	CRCToSound(0x19D50D67, V2A_Sound_Special_ManiacDing(0x00B6,0x0020,0x00C8,16,2));	// Maniac 14
+	CRCToSound(0x3E6FBE15, V2A_Sound_Special_ManiacTentacle(0x00B2,0x0010,0x007C,0x016D,1));	// Maniac 25
+	CRCToSound(0x5305753C, V2A_Sound_Special_ManiacTentacle(0x00B2,0x0010,0x007C,0x016D,7));	// Maniac 36
+	CRCToSound(0x28895106, V2A_Sound_Special_ManiacElectric(0x00C0,0x00FE,0x00E9,0x0111,4,0x0A));	// Maniac 59
+	CRCToSound(0xB641ACF6, V2A_Sound_Special_Maniac61(0x00C8,0x0100,0x00C8,0x01C2));	// Maniac 61
+	CRCToSound(0xE1A91583, V2A_Sound_Special_ManiacPhone(0x00D0,0x0040,0x007C,0x3F,0x007B,0x3F,0x3C,5,6));	// Maniac 23
+	CRCToSound(0x64816ED5, V2A_Sound_Special_ManiacPhone(0x00D0,0x0040,0x00BE,0x37,0x00BD,0x37,0x3C,5,6));	// Maniac 24
+	CRCToSound(0x639D72C2, V2A_Sound_Special_ManiacWrench(0x00D0,0x10A4,0x0080,0x3F,0x28,3));	// Maniac 46
+	CRCToSound(0xE8826D92, V2A_Sound_Special_ManiacTypewriter(0x00EC,0x025A,0x023C,0x3F,8,(const uint8 *)"\x20\x41\x04\x21\x08\x10\x13\x07", true));	// Maniac 45
+	CRCToSound(0xEDFF3D41, V2A_Sound_Single(0x00F8,0x2ADE,0x01F8,0x3F));	// Maniac 42 (this should echo, but it's barely noticeable and I don't feel like doing it)
+	CRCToSound(0x15606D06, V2A_Sound_Special_ManiacSiren(0x0148,0x0020,0x0168,0x0020,0x3F));	// Maniac 32
+	CRCToSound(0x753EAFE3, V2A_Sound_Special_Maniac44(0x017C,0x0010,0x018C,0x0020,0x00C8,0x0080,0x3F));	// Maniac 44
+	CRCToSound(0xB1AB065C, V2A_Sound_Music(0x0032,0x00B2,0x08B2,0x1222,0x1A52,0x23C2,0x3074,false));	// Maniac 50
+	CRCToSound(0x091F5D9C, V2A_Sound_Music(0x0032,0x0132,0x0932,0x1802,0x23D2,0x3EA2,0x4F04,false));	// Maniac 58
+
+	CRCToSound(0x8E2C8AB3, V2A_Sound_SingleLooped(0x005C,0x0F26,0x0168,0x3C));	// Zak 41
+	CRCToSound(0x3792071F, V2A_Sound_SingleLooped(0x0060,0x1A18,0x06A4,0x3F));	// Zak 88
+	CRCToSound(0xF192EDE9, V2A_Sound_SingleLooped(0x0062,0x0054,0x01FC,0x1E));	// Zak 68
+	CRCToSound(0xC43B0245, V2A_Sound_Special_Zak70(0x006C,0x166E,0x00C8,0x0190,0x0320,0x0640,0x32));	// Zak 70
+	CRCToSound(0xCEB51670, V2A_Sound_SingleLooped(0x00AC,0x26DC,0x012C,0x3F));	// Zak 42
+	CRCToSound(0x10347B51, V2A_Sound_SingleLooped(0x006C,0x00E0,0x0594,0x3F));	// Zak 18
+	CRCToSound(0x9D2FADC0, V2A_Sound_MultiLooped(0x0072,0x1FC8,0x016A,0x3F,0x01CE,0x3F));	// Zak 80
+	CRCToSound(0xFAD2C676, V2A_Sound_MultiLooped(0x0076,0x0010,0x0080,0x3F,0x0090,0x3B));	// Zak 40
+	CRCToSound(0x01508B48, V2A_Sound_Single(0x0076,0x0D8C,0x017C,0x3F));	// Zak 90
+	CRCToSound(0x9C18DC46, V2A_Sound_Single(0x0076,0x0D8C,0x015E,0x3F));	// Zak 91
+	CRCToSound(0xF98F7EAC, V2A_Sound_Single(0x0076,0x0D8C,0x0140,0x3F));	// Zak 92
+	CRCToSound(0xC925FBEF, V2A_Sound_MultiLoopedDuration(0x0080,0x0010,0x0080,0x3F,0x0090,0x3B,0x0168));	// Zak 53
+	CRCToSound(0xCAB35257, V2A_Sound_Special_Zak101(0x00DA,0x425C,0x023C,0x08F0,0x0640,0x0478,0x3F,0x012C));	// Zak 101
+	CRCToSound(0xA31FE4FD, V2A_Sound_Single(0x0094,0x036A,0x00E1,0x3F));	// Zak 97
+	CRCToSound(0x0A1AE0F5, V2A_Sound_Single(0x009E,0x0876,0x0168,0x3F));	// Zak 5
+	CRCToSound(0xD01A66CB, V2A_Sound_Single(0x009E,0x04A8,0x0168,0x3F));	// Zak 47
+	CRCToSound(0x5497B912, V2A_Sound_Single(0x009E,0x0198,0x01F4,0x3F));	// Zak 39
+	CRCToSound(0x2B50362F, V2A_Sound_Single(0x009E,0x09B6,0x023D,0x3F));	// Zak 67
+	CRCToSound(0x7BFB6E72, V2A_Sound_Single(0x009E,0x0D14,0x0078,0x3F));	// Zak 69
+	CRCToSound(0xB803A792, V2A_Sound_Single(0x009E,0x2302,0x02BC,0x3F));	// Zak 78
+	CRCToSound(0x7AB82E39, V2A_Sound_SingleLooped(0x00A0,0x2A3C,0x016E,0x3F,0x1018,0x1A24));	// Zak 100
+	CRCToSound(0x28057CEC, V2A_Sound_Single(0x0098,0x0FEC,0x0140,0x32));	// Zak 63
+	CRCToSound(0x1180A2FC, V2A_Sound_Single(0x0098,0x0F06,0x0190,0x32));	// Zak 64
+	CRCToSound(0x12616755, V2A_Sound_Single(0x0098,0x14C8,0x023C,0x14));	// Zak 9
+	CRCToSound(0x642723AA, V2A_Sound_Special_Zak37(0x00A2,0x1702,0x01F4,0x3F));	// Zak 37
+	CRCToSound(0xDEE56848, V2A_Sound_Single(0x009A,0x0F86,0x0100,0x3F));	// Zak 93
+	CRCToSound(0xF9BE27B8, V2A_Sound_Special_Zak37(0x011C,0x1704,0x0228,0x3F));	// Zak 113
+	CRCToSound(0xC73487B2, V2A_Sound_Single(0x00B0,0x18BA,0x0478,0x3F));	// Zak 81
+	CRCToSound(0x32D8F925, V2A_Sound_Single(0x00B0,0x2E46,0x00F0,0x3F));	// Zak 94
+	CRCToSound(0x988C83A5, V2A_Sound_Single(0x00B0,0x0DE0,0x025B,0x3F));	// Zak 106
+	CRCToSound(0x8F1E3B3D, V2A_Sound_Single(0x00B0,0x05FE,0x04E2,0x3F));	// Zak 107
+	CRCToSound(0x0A2A7646, V2A_Sound_Single(0x00B0,0x36FE,0x016E,0x3F));	// Zak 43
+	CRCToSound(0x6F1FC435, V2A_Sound_Single(0x00B0,0x2808,0x044C,0x3F));	// Zak 108
+	CRCToSound(0x870EFC29, V2A_Sound_SingleLoopedPitchbend(0x00BA,0x0100,0x03E8,0x00C8,0x3F,3));	// Zak 55
+	CRCToSound(0xED773699, V2A_Sound_Special_ManiacDing(0x00B4,0x0020,0x012C,8,4));	// Zak 3
+	CRCToSound(0x0BF59774, V2A_Sound_Special_ZakStereoDing(0x00BE,0x0020,0x00F8,0x00F7,8,1));	// Zak 72
+	CRCToSound(0x656FFEDE, V2A_Sound_Special_ZakStereoDing(0x00BE,0x0020,0x00C4,0x00C3,8,1));	// Zak 73
+	CRCToSound(0xFC4D41E5, V2A_Sound_Special_ZakStereoDing(0x00BE,0x0020,0x00A5,0x00A4,8,1));	// Zak 74
+	CRCToSound(0xC0DD2089, V2A_Sound_Special_ZakStereoDing(0x00BE,0x0020,0x009C,0x009B,8,1));	// Zak 75
+	CRCToSound(0x627DFD92, V2A_Sound_Special_ZakStereoDing(0x00BE,0x0020,0x008B,0x008A,8,1));	// Zak 76
+	CRCToSound(0x703E05C1, V2A_Sound_Special_ZakStereoDing(0x00BE,0x0020,0x007C,0x007B,8,1));	// Zak 77
+	CRCToSound(0xB0F77006, V2A_Sound_Unsupported());	// Zak 52
+	CRCToSound(0x5AE9D6A7, V2A_Sound_Special_ZakAirplane(0x00CA,0x22A4,0x0113,0x0227));	// Zak 109
+	CRCToSound(0xABE0D3B0, V2A_Sound_Special_ZakAirplane(0x00CE,0x22A4,0x0227,0x0113));	// Zak 105
+	CRCToSound(0x788CC749, V2A_Sound_Special_Zak71(0x00C8,0x0B37));	// Zak 71
+	CRCToSound(0x2E2AB1FA, V2A_Sound_Special_ZakTram(0x00D4,0x04F0,0x0FE3,0x0080,0x3F));	// Zak 99
+	CRCToSound(0x1304CF20, V2A_Sound_Special_ManiacTypewriter(0x00DC,0x0624,0x023C,0x3C,2,(const uint8 *)"\x14\x11",false));	// Zak 79
+	CRCToSound(0xAE68ED91, V2A_Sound_Special_Zak54(0x00D4,0x1A25,0x1E1E,0x0B80,0x01F4));	// Zak 54
+	CRCToSound(0xA4F40F97, V2A_Sound_Unsupported());	// Zak 61
+	CRCToSound(0x348F85CE, V2A_Sound_Unsupported());	// Zak 62
+	CRCToSound(0xD473AB86, V2A_Sound_Special_ManiacTypewriter(0x0122,0x03E8,0x00BE,0x3F,7,(const uint8 *)"\x0F\x0B\x04\x0F\x1E\x0F\x66",false));	// Zak 46
+	CRCToSound(0x84A0BA90, V2A_Sound_Unsupported());	// Zak 110
+	CRCToSound(0x92680D9F, V2A_Sound_Unsupported());	// Zak 32
+	CRCToSound(0xABFFDB02, V2A_Sound_Unsupported());	// Zak 86
+	CRCToSound(0x41045447, V2A_Sound_Unsupported());	// Zak 98
+	CRCToSound(0xC8EEBD34, V2A_Sound_Unsupported());	// Zak 82
+	CRCToSound(0x42F9469F, V2A_Sound_Music(0x05F6,0x0636,0x0456,0x0516,0x05D6,0x05E6,0x0A36,true));	// Zak 96
+	CRCToSound(0x038BBD78, V2A_Sound_Music(0x054E,0x05CE,0x044E,0x04BE,0x052E,0x053E,0x0BCE,true));	// Zak 85
+	CRCToSound(0x06FFADC5, V2A_Sound_Music(0x0626,0x0686,0x0446,0x04F6,0x0606,0x0616,0x0C86,true));	// Zak 87
+	CRCToSound(0xCE20ECF0, V2A_Sound_Music(0x0636,0x0696,0x0446,0x0576,0x0616,0x0626,0x0E96,true));	// Zak 114
+	CRCToSound(0xBDA01BB6, V2A_Sound_Music(0x0678,0x06B8,0x0458,0x0648,0x0658,0x0668,0x0EB8,false));	// Zak 33
+	CRCToSound(0x59976529, V2A_Sound_Music(0x088E,0x092E,0x048E,0x05EE,0x074E,0x07EE,0x112E,true));	// Zak 49
+	CRCToSound(0xED1EED02, V2A_Sound_Music(0x08D0,0x0950,0x0440,0x07E0,0x08B0,0x08C0,0x1350,false));	// Zak 112
+	CRCToSound(0x5A16C037, V2A_Sound_Music(0x634A,0x64CA,0x049A,0x18FA,0x398A,0x511A,0x6CCA,false));	// Zak 95
+	return NULL;
+}
+
+Player_V2A::Player_V2A(ScummEngine *scumm) {
+	int i;
+	_vm = scumm;
+
+#ifdef PALMOS_68K
+	if (!CRCtable) CRCtable = (uint32 *)calloc(256, sizeof(uint32));
+#endif
+	InitCRC();
+
+	for (i = 0; i < V2A_MAXSLOTS; i++) {
+		_slot[i].id = 0;
+		_slot[i].sound = NULL;
+	}
+
+	_mod = new Player_MOD(scumm);
+	_mod->setUpdateProc(update_proc, this, 60);
+}
+
+Player_V2A::~Player_V2A() {
+	delete _mod;
+#ifdef PALMOS_68K
+	free(CRCtable);
+#endif
+}
+
+void Player_V2A::setMusicVolume (int vol) {
+	_mod->setMusicVolume(vol);
+}
+
+int Player_V2A::getSoundSlot (int id) const {
+	int i;
+	for (i = 0; i < V2A_MAXSLOTS; i++) {
+		if (_slot[i].id == id)
+			break;
+	}
+	if (i == V2A_MAXSLOTS) {
+		if (id == 0)
+			warning("player_v2a - out of sound slots");
+		return -1;
+	}
+	return i;
+}
+
+void Player_V2A::stopAllSounds() {
+	for (int i = 0; i < V2A_MAXSLOTS; i++) {
+		if (!_slot[i].id)
+			continue;
+		_slot[i].sound->stop();
+		delete _slot[i].sound;
+		_slot[i].sound = NULL;
+		_slot[i].id = 0;
+	}
+}
+
+void Player_V2A::stopSound(int nr) {
+	int i;
+	if (nr == 0)
+		return;
+	i = getSoundSlot(nr);
+	if (i == -1)
+		return;
+	_slot[i].sound->stop();
+	delete _slot[i].sound;
+	_slot[i].sound = NULL;
+	_slot[i].id = 0;
+}
+
+void Player_V2A::startSound(int nr) {
+	assert(_vm);
+	byte *data = _vm->getResourceAddress(rtSound, nr);
+	assert(data);
+	uint32 crc = GetCRC(data + 0x0A, READ_BE_UINT16(data + 0x08));
+	V2A_Sound *snd = findSound(crc);
+	if (snd == NULL) {
+		warning("player_v2a - sound %i not recognized yet (crc %08X)",nr,crc);
+		return;
+	}
+	stopSound(nr);
+	int i = getSoundSlot();
+	if (i == -1)
+		return;
+	_slot[i].id = nr;
+	_slot[i].sound = snd;
+	_slot[i].sound->start(_mod,nr,data);
+}
+
+void Player_V2A::update_proc(void *param) {
+	((Player_V2A *)param)->updateSound();
+}
+
+void Player_V2A::updateSound() {
+	int i;
+	for (i = 0; i < V2A_MAXSLOTS; i++) {
+		if ((_slot[i].id) && (!_slot[i].sound->update())) {
+			_slot[i].sound->stop();
+			delete _slot[i].sound;
+			_slot[i].sound = NULL;
+			_slot[i].id = 0;
+		}
+	}
+}
+
+int Player_V2A::getMusicTimer() const {
+	return 0;	// FIXME - need to keep track of playing music resources
+}
+
+int Player_V2A::getSoundStatus(int nr) const {
+	for (int i = 0; i < V2A_MAXSLOTS; i++) {
+		if (_slot[i].id == nr)
+			return 1;
+	}
+	return 0;
+}
+
+} // End of namespace Scumm