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-rw-r--r--sky/music/adlibchannel.cpp323
-rw-r--r--sky/music/adlibchannel.h101
-rw-r--r--sky/music/adlibmusic.cpp108
-rw-r--r--sky/music/adlibmusic.h47
-rw-r--r--sky/music/gmchannel.cpp203
-rw-r--r--sky/music/gmchannel.h76
-rw-r--r--sky/music/gmmusic.cpp146
-rw-r--r--sky/music/gmmusic.h49
-rw-r--r--sky/music/mt32music.cpp182
-rw-r--r--sky/music/mt32music.h50
-rw-r--r--sky/music/musicbase.cpp164
-rw-r--r--sky/music/musicbase.h85
12 files changed, 1534 insertions, 0 deletions
diff --git a/sky/music/adlibchannel.cpp b/sky/music/adlibchannel.cpp
new file mode 100644
index 0000000000..26ad970814
--- /dev/null
+++ b/sky/music/adlibchannel.cpp
@@ -0,0 +1,323 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2003 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.
+ *
+ * $Header$
+ *
+ */
+
+#include "adlibchannel.h"
+#include "sound/fmopl.h"
+
+SkyAdlibChannel::SkyAdlibChannel(uint8 *pMusicData, uint16 startOfData, uint32 version)
+{
+ _gameVersion = version;
+ _musicData = pMusicData;
+ _channelData.startOfData = startOfData;
+ _channelData.eventDataPtr = startOfData;
+ _channelData.channelActive = 1;
+ _channelData.freqDataSize = 2;
+ _channelData.tremoVibro = 0;
+ _channelData.assignedInstrument = 0xFF;
+ _channelData.channelVolume = 0x7F;
+ _channelData.nextEventTime = getNextEventTime();
+
+ _channelData.adlibChannelNumber = _channelData.lastCommand = _channelData.note =
+ _channelData.adlibReg1 = _channelData.adlibReg2 = _channelData.freqOffset = 0;
+ _channelData.frequency = 0;
+ _channelData.instrumentData = NULL;
+
+ uint16 instrumentDataLoc;
+
+ if (_gameVersion == 267) {
+ instrumentDataLoc = (_musicData[0x11FC] << 8) | _musicData[0x11FB];
+ _frequenceTable = (uint16*)(_musicData+0x7F4);
+ _registerTable = _musicData+0xDF4;
+ _opOutputTable = _musicData+0xE06;
+ _adlibRegMirror = _musicData+0xF55;
+ } else {
+ instrumentDataLoc = (_musicData[0x1206] << 8) | _musicData[0x1205];
+ _frequenceTable = (uint16*)(_musicData+0x7FE);
+ _registerTable = _musicData+0xDFE;
+ _opOutputTable = _musicData+0xE10;
+ _adlibRegMirror = _musicData+0xF5F;
+ }
+
+ _instrumentMap = _musicData+instrumentDataLoc;
+ _instruments = (InstrumentStruct*)(_instrumentMap+0x80);
+
+ _musicVolume = 0x100;
+}
+
+void SkyAdlibChannel::updateVolume(uint16 pVolume) {
+
+ _musicVolume = pVolume;
+}
+
+/* This class uses the same area for the register mirror as the original
+ asm driver did (_musicData[0xF5F..0x105E]), so the cache is indeed shared
+ by all instances of the class.
+*/
+void SkyAdlibChannel::setRegister(uint8 regNum, uint8 value) {
+
+ if (_adlibRegMirror[regNum] != value) {
+ YM3812Write(0, 0, regNum);
+ YM3812Write(0, 1, value);
+ _adlibRegMirror[regNum] = value;
+ }
+}
+
+void SkyAdlibChannel::stopNote(void) {
+
+ if (_channelData.note & 0x20) {
+ _channelData.note &= ~0x20;
+ setRegister(0xB0 | _channelData.adlibChannelNumber, _channelData.note);
+ }
+}
+
+int32 SkyAdlibChannel::getNextEventTime(void)
+{
+ int32 retV = 0;
+ uint8 cnt, lVal;
+ for (cnt = 0; cnt < 4; cnt++) {
+ lVal = _musicData[_channelData.eventDataPtr];
+ _channelData.eventDataPtr++;
+ retV = (retV << 7) | (lVal & 0x7F);
+ if (!(lVal & 0x80)) break;
+ }
+ if (lVal & 0x80) { // should never happen
+ return -1;
+ } else return retV;
+
+}
+
+uint8 SkyAdlibChannel::process(uint16 aktTime) {
+
+ if (!_channelData.channelActive) {
+ return 0;
+ }
+
+ uint8 returnVal = 0;
+
+ _channelData.nextEventTime -= aktTime;
+ uint8 opcode;
+ while ((_channelData.nextEventTime < 0) && (_channelData.channelActive)) {
+ opcode = _musicData[_channelData.eventDataPtr];
+ _channelData.eventDataPtr++;
+ if (opcode&0x80) {
+ if (opcode == 0xFF) {
+ // dummy opcode
+ } else if (opcode >= 0x90) {
+ switch (opcode&0xF) {
+ case 0: com90_caseNoteOff(); break;
+ case 1: com90_stopChannel(); break;
+ case 2: com90_setupInstrument(); break;
+ case 3:
+ returnVal = com90_updateTempo();
+ break;
+ case 5: com90_getFreqOffset(); break;
+ case 6: com90_getChannelVolume(); break;
+ case 7: com90_getTremoVibro(); break;
+ case 8: com90_rewindMusic(); break;
+ case 9: com90_keyOff(); break;
+ case 12: com90_setStartOfData(); break;
+ case 4: //com90_dummy();
+ case 10: //com90_error();
+ case 11: //com90_doLodsb();
+ case 13: //com90_do_two_Lodsb();
+ error("SkyChannel: dummy music routine 0x%02X was called",opcode);
+ _channelData.channelActive = 0;
+ break;
+ default:
+ // these opcodes aren't implemented in original music driver
+ error("SkyChannel: Not existant routine 0x%02X was called",opcode);
+ _channelData.channelActive = 0;
+ break;
+ }
+ } else {
+ // new adlib channel assignment
+ _channelData.adlibChannelNumber = opcode&0xF;
+ _channelData.adlibReg1 = _registerTable[(opcode&0xF)<<1];
+ _channelData.adlibReg2 = _registerTable[((opcode&0xF)<<1)|1];
+ }
+ } else {
+ _channelData.lastCommand = opcode;
+ stopNote();
+ // not sure why this "if" is necessary...either a bug in my
+ // code or a bug in the music data (section 1, music 2)
+ if (_channelData.instrumentData || _channelData.tremoVibro) {
+ setupInstrument(opcode);
+
+ opcode = _musicData[_channelData.eventDataPtr];
+ _channelData.eventDataPtr++;
+ setupChannelVolume(opcode);
+ } else _channelData.eventDataPtr++;
+ }
+ if (_channelData.channelActive)
+ _channelData.nextEventTime += getNextEventTime();
+ }
+ return returnVal;
+}
+
+void SkyAdlibChannel::setupInstrument(uint8 opcode) {
+
+ uint16 nextNote;
+ if (_channelData.tremoVibro) {
+ uint8 newInstrument = _instrumentMap[opcode];
+ if (newInstrument != _channelData.assignedInstrument) {
+ _channelData.assignedInstrument = newInstrument;
+ _channelData.instrumentData = _instruments + newInstrument;
+ adlibSetupInstrument();
+ }
+ _channelData.lastCommand = _channelData.instrumentData->bindedEffect;
+ nextNote = getNextNote(_channelData.lastCommand);
+ } else {
+ nextNote = getNextNote(opcode - 0x18 + _channelData.instrumentData->bindedEffect);
+ }
+ _channelData.frequency = nextNote;
+ setRegister(0xA0 | _channelData.adlibChannelNumber, (uint8)nextNote);
+ setRegister(0xB0 | _channelData.adlibChannelNumber, (uint8)((nextNote >> 8) | 0x20));
+ _channelData.note = (uint8)((nextNote >> 8) | 0x20);
+}
+
+void SkyAdlibChannel::setupChannelVolume(uint8 volume) {
+
+ uint8 resultOp;
+ uint32 resVol = ((volume + 1) * (_channelData.instrumentData->totOutLev_Op2 + 1)) << 1;
+ resVol &= 0xFFFF;
+ resVol *= (_channelData.channelVolume+1)<<1;
+ resVol >>= 8;
+ resVol *= _musicVolume;
+ resVol >>= 16;
+ resultOp = ((_channelData.instrumentData->scalingLevel << 6) & 0xC0) | _opOutputTable[resVol];
+ setRegister(0x40 | _channelData.adlibReg2, resultOp);
+ if (_channelData.instrumentData->feedBack & 1) {
+ resVol = ((volume + 1) * (_channelData.instrumentData->totOutLev_Op1 + 1)) << 1;
+ resVol &= 0xFFFF;
+ resVol *= (_channelData.channelVolume + 1)<<1;
+ resVol >>= 8;
+ resVol *= (_musicVolume & 0xFF);
+ resVol >>= 16;
+ } else resVol = _channelData.instrumentData->totOutLev_Op1;
+ resultOp = ((_channelData.instrumentData->scalingLevel << 2) & 0xC0) | _opOutputTable[resVol];
+ setRegister(0x40 | _channelData.adlibReg1, resultOp);
+}
+
+void SkyAdlibChannel::adlibSetupInstrument(void) {
+
+ setRegister(0x60 | _channelData.adlibReg1, _channelData.instrumentData->ad_Op1);
+ setRegister(0x60 | _channelData.adlibReg2, _channelData.instrumentData->ad_Op2);
+ setRegister(0x80 | _channelData.adlibReg1, _channelData.instrumentData->sr_Op1);
+ setRegister(0x80 | _channelData.adlibReg2, _channelData.instrumentData->sr_Op2);
+ setRegister(0xE0 | _channelData.adlibReg1, _channelData.instrumentData->waveSelect_Op1);
+ setRegister(0xE0 | _channelData.adlibReg2, _channelData.instrumentData->waveSelect_Op2);
+ setRegister(0xC0 | _channelData.adlibChannelNumber, _channelData.instrumentData->feedBack);
+ setRegister(0x20 | _channelData.adlibReg1, _channelData.instrumentData->ampMod_Op1);
+ setRegister(0x20 | _channelData.adlibReg2, _channelData.instrumentData->ampMod_Op2);
+}
+
+#ifdef SCUMM_BIG_ENDIAN
+#define ENDIAN16(x) ((x >> 8) | ((x & 0xFF) << 8))
+#else
+#define ENDIAN16(x) (x)
+#endif
+
+uint16 SkyAdlibChannel::getNextNote(uint8 param) {
+
+ int16 freqIndex = ((int16)_channelData.freqOffset) - 0x40;
+ if (freqIndex >= 0x3F) freqIndex++;
+ freqIndex *= _channelData.freqDataSize;
+ freqIndex += param<<6;
+ uint16 freqData = ENDIAN16(_frequenceTable[freqIndex % 0x300]);
+ if ((freqIndex%0x300 >= 0x1C0) || (freqIndex/0x300 > 0)) {
+ return (((freqIndex / 0x300) - 1) << 10) + (freqData & 0x7FF);
+ } else {
+ // looks like a bug. dunno why. It's what the ASM code says.
+ return (uint16)(((int16)freqData) >> 1);
+ }
+}
+
+//- command 90h routines
+
+void SkyAdlibChannel::com90_caseNoteOff(void) {
+
+ if (_musicData[_channelData.eventDataPtr] == _channelData.lastCommand)
+ stopNote();
+ _channelData.eventDataPtr++;
+}
+
+void SkyAdlibChannel::com90_stopChannel(void) {
+
+ stopNote();
+ _channelData.channelActive = 0;
+}
+
+void SkyAdlibChannel::com90_setupInstrument(void) {
+
+ _channelData.channelVolume = 0x7F;
+ _channelData.freqOffset = 0x40;
+ _channelData.assignedInstrument = _musicData[_channelData.eventDataPtr];
+ _channelData.eventDataPtr++;
+ _channelData.instrumentData = _instruments + _channelData.assignedInstrument;
+ adlibSetupInstrument();
+}
+
+uint8 SkyAdlibChannel::com90_updateTempo(void) {
+
+ uint8 retV = _musicData[_channelData.eventDataPtr];
+ _channelData.eventDataPtr++;
+ return retV;
+}
+
+void SkyAdlibChannel::com90_getFreqOffset(void) {
+
+ _channelData.freqOffset = _musicData[_channelData.eventDataPtr];
+ _channelData.eventDataPtr++;
+ if (_channelData.note & 0x20) {
+ uint16 nextNote = getNextNote(
+ _channelData.lastCommand - 0x18 + _channelData.instrumentData->bindedEffect);
+ setRegister(0xA0 | _channelData.adlibChannelNumber, (uint8)nextNote);
+ setRegister(0xB0 | _channelData.adlibChannelNumber, (uint8)((nextNote >> 8) | 0x20));
+ _channelData.note = (uint8)(nextNote >> 8) | 0x20;
+ }
+}
+
+void SkyAdlibChannel::com90_getChannelVolume(void) {
+
+ _channelData.channelVolume = _musicData[_channelData.eventDataPtr];
+ _channelData.eventDataPtr++;
+}
+
+void SkyAdlibChannel::com90_getTremoVibro(void) {
+
+ _channelData.tremoVibro = _musicData[_channelData.eventDataPtr];
+ _channelData.eventDataPtr++;
+}
+
+void SkyAdlibChannel::com90_rewindMusic(void) {
+
+ _channelData.eventDataPtr = _channelData.startOfData;
+}
+
+void SkyAdlibChannel::com90_keyOff(void) {
+
+ stopNote();
+}
+
+void SkyAdlibChannel::com90_setStartOfData(void) {
+
+ _channelData.startOfData = _channelData.eventDataPtr;
+}
diff --git a/sky/music/adlibchannel.h b/sky/music/adlibchannel.h
new file mode 100644
index 0000000000..a9b43c3f9b
--- /dev/null
+++ b/sky/music/adlibchannel.h
@@ -0,0 +1,101 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2003 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.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef ADLIBCHANNEL_H
+#define ADLIBCHANNEL_H
+
+#include "stdafx.h"
+#include "common/engine.h"
+#include "sky/music/musicbase.h"
+
+typedef struct {
+ uint8 ad_Op1, ad_Op2;
+ uint8 sr_Op1, sr_Op2;
+ uint8 ampMod_Op1, ampMod_Op2;
+ uint8 waveSelect_Op1, waveSelect_Op2;
+ uint8 bindedEffect;
+ uint8 feedBack;
+ uint8 totOutLev_Op1, totOutLev_Op2;
+ uint8 scalingLevel;
+ uint8 pad1, pad2, pad3;
+} InstrumentStruct;
+
+typedef struct {
+ uint16 eventDataPtr;
+ int32 nextEventTime;
+ uint16 startOfData;
+ uint8 adlibChannelNumber;
+ uint8 lastCommand;
+ uint8 channelActive;
+ uint8 note;
+ uint8 adlibReg1, adlibReg2;
+ InstrumentStruct *instrumentData;
+ uint8 assignedInstrument;
+ uint8 channelVolume;
+ uint8 padding; // field_12 / not used by original driver
+ uint8 tremoVibro;
+ uint8 freqDataSize;
+ uint8 freqOffset;
+ uint16 frequency;
+} AdlibChannelType;
+
+class SkyAdlibChannel : public SkyChannelBase {
+public:
+ SkyAdlibChannel(uint8 *pMusicData, uint16 startOfData, uint32 version);
+ virtual void stopNote(void);
+ virtual uint8 process(uint16 aktTime);
+ virtual void updateVolume(uint16 pVolume);
+private:
+ uint32 _gameVersion;
+ uint8 *_musicData;
+ uint16 _musicVolume;
+ AdlibChannelType _channelData;
+ //-
+ InstrumentStruct *_instruments;
+ uint16 *_frequenceTable;
+ uint8 *_instrumentMap;
+ uint8 *_registerTable, *_opOutputTable;
+ uint8 *_adlibRegMirror;
+ //- normal subs
+ void setRegister(uint8 regNum, uint8 value);
+ int32 getNextEventTime(void);
+ uint16 getNextNote(uint8 param);
+ void adlibSetupInstrument(void);
+ void setupInstrument(uint8 opcode);
+ void setupChannelVolume(uint8 volume);
+ //- Streamfunctions from Command90hTable
+ void com90_caseNoteOff(void); // 0
+ void com90_stopChannel(void); // 1
+ void com90_setupInstrument(void); // 2
+ uint8 com90_updateTempo(void); // 3
+ //void com90_dummy(void); // 4
+ void com90_getFreqOffset(void); // 5
+ void com90_getChannelVolume(void); // 6
+ void com90_getTremoVibro(void); // 7
+ void com90_rewindMusic(void); // 8
+ void com90_keyOff(void); // 9
+ //void com90_error(void); // 10
+ //void com90_doLodsb(void); // 11
+ void com90_setStartOfData(void); // 12
+ //void com90_do_two_Lodsb(void); // 13
+};
+
+#endif //ADLIBCHANNEL_H
diff --git a/sky/music/adlibmusic.cpp b/sky/music/adlibmusic.cpp
new file mode 100644
index 0000000000..b23afd879c
--- /dev/null
+++ b/sky/music/adlibmusic.cpp
@@ -0,0 +1,108 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2003 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.
+ *
+ * $Header$
+ *
+ */
+
+#include "sky/music/adlibmusic.h"
+#include "sound/fmopl.h"
+
+void SkyAdlibMusic::passMixerFunc(void *param, int16 *buf, uint len) {
+
+ ((SkyAdlibMusic*)param)->premixerCall(buf, len);
+}
+
+SkyAdlibMusic::SkyAdlibMusic(SoundMixer *pMixer, SkyDisk *pSkyDisk, uint32 version)
+ : SkyMusicBase(pSkyDisk, version) {
+
+ _driverFileBase = 60202;
+ _mixer = pMixer;
+ _sampleRate = g_system->property(OSystem::PROP_GET_SAMPLE_RATE, 0);
+ if (0 != YM3812Init(1, 3579545, _sampleRate))
+ error("Error initialising YM3812 sound chip emulation");
+ _mixer->setupPremix(this, passMixerFunc);
+}
+
+SkyAdlibMusic::~SkyAdlibMusic(void) {
+
+ _mixer->setupPremix(NULL, NULL);
+ YM3812Shutdown();
+}
+
+void SkyAdlibMusic::premixerCall(int16 *buf, uint len) {
+
+ if (_musicData == NULL) {
+ // no music loaded
+ memset(buf, 0, len * sizeof(int16));
+ return;
+ } else if ((_currentMusic == 0) || (_numberOfChannels == 0)) {
+ // music loaded but not played as of yet
+ memset(buf, 0, len * sizeof(int16));
+ // poll anyways as pollMusic() can activate the music
+ pollMusic();
+ _nextMusicPoll = _sampleRate/50;
+ return;
+ }
+ uint32 render;
+ while (len) {
+ render = (len > _nextMusicPoll) ? (_nextMusicPoll) : (len);
+ len -= render;
+ _nextMusicPoll -= render;
+ YM3812UpdateOne(0, buf, render);
+ buf += render;
+ if (_nextMusicPoll == 0) {
+ pollMusic();
+ _nextMusicPoll = _sampleRate/50;
+ }
+ }
+}
+
+void SkyAdlibMusic::setupPointers(void) {
+
+ printf("game version: %d\n",_gameVersion);
+ if (_gameVersion == 267) {
+ // disk demo uses a different adlib driver version, some offsets have changed
+ _musicDataLoc = (_musicData[0x11F8] << 8) | _musicData[0x11F7];
+ _initSequence = _musicData + 0xE87;
+ } else {
+ _musicDataLoc = (_musicData[0x1202] << 8) | _musicData[0x1201];
+ _initSequence = _musicData + 0xE91;
+ }
+ _nextMusicPoll = 0;
+}
+
+void SkyAdlibMusic::setupChannels(uint8 *channelData) {
+
+ _numberOfChannels = channelData[0];
+ channelData++;
+ for (uint8 cnt = 0; cnt < _numberOfChannels; cnt++) {
+ uint16 chDataStart = ((channelData[(cnt << 1) | 1] << 8) | channelData[cnt << 1]) + _musicDataLoc;
+ _channels[cnt] = new SkyAdlibChannel(_musicData, chDataStart, _gameVersion);
+ }
+}
+
+void SkyAdlibMusic::startDriver(void) {
+
+ uint16 cnt = 0;
+ while (_initSequence[cnt] || _initSequence[cnt+1]) {
+ YM3812Write(0, 0, _initSequence[cnt]);
+ YM3812Write(0, 1, _initSequence[cnt+1]);
+ cnt += 2;
+ }
+ _allowedCommands = 0xD;
+}
diff --git a/sky/music/adlibmusic.h b/sky/music/adlibmusic.h
new file mode 100644
index 0000000000..dcde24150c
--- /dev/null
+++ b/sky/music/adlibmusic.h
@@ -0,0 +1,47 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2003 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.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef ADLIBMUSIC_H
+#define ADLIBMUSIC_H
+
+#include "stdafx.h"
+#include "sound/mixer.h"
+#include "common/engine.h"
+#include "adlibchannel.h"
+#include "musicbase.h"
+
+class SkyAdlibMusic : public SkyMusicBase {
+public:
+ SkyAdlibMusic(SoundMixer *pMixer, SkyDisk *pSkyDisk, uint32 version);
+ ~SkyAdlibMusic(void);
+private:
+ SoundMixer *_mixer;
+ uint8 *_initSequence;
+ uint32 _sampleRate, _nextMusicPoll;
+ virtual void setupPointers(void);
+ virtual void setupChannels(uint8 *channelData);
+ virtual void startDriver(void);
+
+ void premixerCall(int16 *buf, uint len);
+ static void passMixerFunc(void *param, int16 *buf, uint len);
+};
+
+#endif //ADLIBMUSIC_H
diff --git a/sky/music/gmchannel.cpp b/sky/music/gmchannel.cpp
new file mode 100644
index 0000000000..5db1256388
--- /dev/null
+++ b/sky/music/gmchannel.cpp
@@ -0,0 +1,203 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2003 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.
+ *
+ * $Header$
+ *
+ */
+
+#include "gmchannel.h"
+
+// the MT32 is a lot more sensitive to velocities than most general midi devices,
+// so we need to boost them a little
+uint8 SkyGmChannel::_veloTab[128] = {
+0x00, 0x30, 0x31, 0x31, 0x32, 0x33, 0x33, 0x34, 0x34, 0x35, 0x36, 0x36, 0x37,
+0x38, 0x38, 0x39, 0x39, 0x3A, 0x3B, 0x3B, 0x3C, 0x3D, 0x3D, 0x3E, 0x3E, 0x3F,
+0x40, 0x40, 0x41, 0x42, 0x42, 0x43, 0x43, 0x44, 0x45, 0x45, 0x46, 0x47, 0x47,
+0x48, 0x48, 0x49, 0x4A, 0x4A, 0x4B, 0x4C, 0x4C, 0x4D, 0x4D, 0x4E, 0x4F, 0x4F,
+0x50, 0x50, 0x51, 0x52, 0x52, 0x53, 0x54, 0x54, 0x55, 0x55, 0x56, 0x57, 0x57,
+0x58, 0x59, 0x59, 0x5A, 0x5A, 0x5B, 0x5C, 0x5C, 0x5D, 0x5E, 0x5E, 0x5F, 0x5F,
+0x60, 0x61, 0x61, 0x62, 0x63, 0x63, 0x64, 0x64, 0x65, 0x66, 0x66, 0x67, 0x68,
+0x68, 0x69, 0x69, 0x6A, 0x6B, 0x6B, 0x6C, 0x6C, 0x6D, 0x6E, 0x6E, 0x6F, 0x70,
+0x70, 0x71, 0x71, 0x72, 0x73, 0x73, 0x74, 0x75, 0x75, 0x76, 0x76, 0x77, 0x78,
+0x78, 0x79, 0x7A, 0x7A, 0x7B, 0x7B, 0x7C, 0x7D, 0x7D, 0x7E, 0x7F };
+
+SkyGmChannel::SkyGmChannel(uint8 *pMusicData, uint16 startOfData, MidiDriver *pMidiDrv, byte *pInstMap)
+{
+ _musicData = pMusicData;
+ _midiDrv = pMidiDrv;
+ _channelData.startOfData = startOfData;
+ _channelData.eventDataPtr = startOfData;
+ _channelData.channelActive = 1;
+ _channelData.nextEventTime = getNextEventTime();
+ _mt32_to_gm = pInstMap;
+
+ _musicVolume = 0x100;
+}
+
+void SkyGmChannel::updateVolume(uint16 pVolume) {
+
+ _musicVolume = pVolume;
+}
+
+void SkyGmChannel::stopNote(void) {
+
+ _midiDrv->send((0xB0 | _channelData.midiChannelNumber) | 0x7B00 | 0 | 0x79000000);
+ _midiDrv->send(0);
+}
+
+int32 SkyGmChannel::getNextEventTime(void)
+{
+ int32 retV = 0;
+ uint8 cnt, lVal;
+ for (cnt = 0; cnt < 4; cnt++) {
+ lVal = _musicData[_channelData.eventDataPtr];
+ _channelData.eventDataPtr++;
+ retV = (retV << 7) | (lVal & 0x7F);
+ if (!(lVal & 0x80)) break;
+ }
+ if (lVal & 0x80) { // should never happen
+ return -1;
+ } else return retV;
+
+}
+
+uint8 SkyGmChannel::process(uint16 aktTime) {
+
+ if (!_channelData.channelActive)
+ return 0;
+
+ uint8 returnVal = 0;
+
+ _channelData.nextEventTime -= aktTime;
+ uint8 opcode;
+
+ while ((_channelData.nextEventTime < 0) && (_channelData.channelActive)) {
+ opcode = _musicData[_channelData.eventDataPtr];
+ _channelData.eventDataPtr++;
+ if (opcode&0x80) {
+ if (opcode == 0xFF) {
+ // dummy opcode
+ } else if (opcode >= 0x90) {
+ switch (opcode&0xF) {
+ case 0: com90_caseNoteOff(); break;
+ case 1: com90_stopChannel(); break;
+ case 2: com90_setupInstrument(); break;
+ case 3:
+ returnVal = com90_updateTempo();
+ break;
+ case 5: com90_getPitch(); break;
+ case 6: com90_getChannelVolume(); break;
+ case 8: com90_rewindMusic(); break;
+ case 9: com90_keyOff(); break;
+ case 11: com90_getChannelPanValue(); break;
+ case 12: com90_setStartOfData(); break;
+ case 13: com90_getChannelControl(); break;
+ case 4: //com90_dummy();
+ case 7: //com90_skipTremoVibro();
+ case 10: //com90_error();
+ error("SkyChannel: dummy music routine 0x%02X was called",opcode);
+ _channelData.channelActive = 0;
+ break;
+ default:
+ // these opcodes aren't implemented in original music driver
+ error("SkyChannel: Not existant routine 0x%02X was called",opcode);
+ _channelData.channelActive = 0;
+ break;
+ }
+ } else {
+ // new midi channel assignment
+ _channelData.midiChannelNumber = opcode&0xF;
+ }
+ } else {
+ _channelData.note = opcode;
+ uint8 velocity = _veloTab[_musicData[_channelData.eventDataPtr]];
+ _channelData.eventDataPtr++;
+ _midiDrv->send((0x90 | _channelData.midiChannelNumber) | (opcode << 8) | (velocity << 16));
+ }
+ if (_channelData.channelActive)
+ _channelData.nextEventTime += getNextEventTime();
+ }
+ return returnVal;
+}
+
+//- command 90h routines
+
+void SkyGmChannel::com90_caseNoteOff(void) {
+
+ _midiDrv->send((0x90 | _channelData.midiChannelNumber) | (_musicData[_channelData.eventDataPtr] << 8));
+ _channelData.eventDataPtr++;
+}
+
+void SkyGmChannel::com90_stopChannel(void) {
+
+ stopNote();
+ _channelData.channelActive = 0;
+}
+
+void SkyGmChannel::com90_setupInstrument(void) {
+
+ _midiDrv->send((0xC0 | _channelData.midiChannelNumber) | (_mt32_to_gm[_musicData[_channelData.eventDataPtr]] << 8));
+ _channelData.eventDataPtr++;
+}
+
+uint8 SkyGmChannel::com90_updateTempo(void) {
+
+ uint8 retV = _musicData[_channelData.eventDataPtr];
+ _channelData.eventDataPtr++;
+ return retV;
+}
+
+void SkyGmChannel::com90_getPitch(void) {
+
+ _midiDrv->send((0xE0 | _channelData.midiChannelNumber) | 0 | (_musicData[_channelData.eventDataPtr] << 16));
+ _channelData.eventDataPtr++;
+}
+
+void SkyGmChannel::com90_getChannelVolume(void) {
+
+ _midiDrv->send((0xB0 | _channelData.midiChannelNumber) | 0x700 | (_musicData[_channelData.eventDataPtr] << 16));
+ _channelData.eventDataPtr++;
+}
+
+void SkyGmChannel::com90_rewindMusic(void) {
+
+ _channelData.eventDataPtr = _channelData.startOfData;
+}
+
+void SkyGmChannel::com90_keyOff(void) {
+
+ _midiDrv->send((0x90 | _channelData.midiChannelNumber) | (_channelData.note << 8) | 0);
+}
+
+void SkyGmChannel::com90_setStartOfData(void) {
+
+ _channelData.startOfData = _channelData.eventDataPtr;
+}
+
+void SkyGmChannel::com90_getChannelPanValue(void) {
+
+ _midiDrv->send((0xB0 | _channelData.midiChannelNumber) | 0x0A00 | (_musicData[_channelData.eventDataPtr] << 16));
+ _channelData.eventDataPtr++;
+}
+
+void SkyGmChannel::com90_getChannelControl(void) {
+
+ uint8 conNum = _musicData[_channelData.eventDataPtr];
+ uint8 conDat = _musicData[_channelData.eventDataPtr + 1];
+ _channelData.eventDataPtr += 2;
+ _midiDrv->send((0xB0 | _channelData.midiChannelNumber) | (conNum << 8) | (conDat << 16));
+}
diff --git a/sky/music/gmchannel.h b/sky/music/gmchannel.h
new file mode 100644
index 0000000000..693eabf3d0
--- /dev/null
+++ b/sky/music/gmchannel.h
@@ -0,0 +1,76 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2003 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.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef SKYGMCHANNEL_H
+#define SKYGMCHANNEL_H
+
+#include "stdafx.h"
+#include "sound/mididrv.h"
+#include "common/engine.h"
+#include "sky/music/musicbase.h"
+
+typedef struct {
+ uint16 eventDataPtr;
+ int32 nextEventTime;
+ uint16 startOfData;
+ uint8 midiChannelNumber;
+ uint8 note;
+ uint8 channelActive;
+} MidiChannelType;
+
+class SkyGmChannel : public SkyChannelBase {
+public:
+ SkyGmChannel(uint8 *pMusicData, uint16 startOfData, MidiDriver *pMidiDrv, byte *pInstMap);
+ virtual void stopNote(void);
+ virtual uint8 process(uint16 aktTime);
+ virtual void updateVolume(uint16 pVolume);
+private:
+ byte *_mt32_to_gm;
+ static uint8 _veloTab[128];
+ MidiDriver *_midiDrv;
+ uint8 *_musicData;
+ uint16 _musicVolume;
+ MidiChannelType _channelData;
+ //- normal subs
+ void setRegister(uint8 regNum, uint8 value);
+ int32 getNextEventTime(void);
+ uint16 getNextNote(uint8 param);
+ void adlibSetupInstrument(void);
+ void setupInstrument(uint8 opcode);
+ void setupChannelVolume(uint8 volume);
+ //- Streamfunctions from Command90hTable
+ void com90_caseNoteOff(void); // 0
+ void com90_stopChannel(void); // 1
+ void com90_setupInstrument(void); // 2
+ uint8 com90_updateTempo(void); // 3
+ //void com90_dummy(void); // 4
+ void com90_getPitch(void); // 5
+ void com90_getChannelVolume(void); // 6
+ //void com90_skipTremoVibro(void); // 7
+ void com90_rewindMusic(void); // 8
+ void com90_keyOff(void); // 9
+ //void com90_error(void); // 10
+ void com90_getChannelPanValue(void); // 11
+ void com90_setStartOfData(void); // 12
+ void com90_getChannelControl(void); // 13
+};
+
+#endif //SKYGMCHANNEL_H
diff --git a/sky/music/gmmusic.cpp b/sky/music/gmmusic.cpp
new file mode 100644
index 0000000000..3d2ddf947d
--- /dev/null
+++ b/sky/music/gmmusic.cpp
@@ -0,0 +1,146 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2003 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.
+ *
+ * $Header$
+ *
+ */
+
+#include "sky/gmmusic.h"
+
+void SkyGmMusic::passTimerFunc(void *param) {
+
+ ((SkyGmMusic*)param)->timerCall();
+}
+
+SkyGmMusic::SkyGmMusic(MidiDriver *pMidiDrv, SkyDisk *pSkyDisk, uint32 version)
+ : SkyMusicBase(pSkyDisk, version) {
+
+ _driverFileBase = 60200;
+ _midiDrv = pMidiDrv;
+ int midiRes = _midiDrv->open();
+ if (midiRes != 0) {
+ error("Can't open midi device. Errorcode: %d\n",midiRes);
+ }
+ _midiDrv->setTimerCallback(this, passTimerFunc);
+ _ignoreNextPoll = false;
+}
+
+SkyGmMusic::~SkyGmMusic(void) {
+
+ _midiDrv->setTimerCallback(NULL, NULL);
+ if (_currentMusic) stopMusic();
+ _midiDrv->close();
+ delete _midiDrv;
+}
+
+void SkyGmMusic::timerCall(void) {
+
+ // midi driver polls hundred times per sec. We only want 50 times.
+ _ignoreNextPoll = !_ignoreNextPoll;
+ if (!_ignoreNextPoll) return;
+
+ if (_musicData != NULL)
+ pollMusic();
+}
+
+void SkyGmMusic::setupPointers(void) {
+
+ _musicDataLoc = (_musicData[0x7DD] << 8) | _musicData[0x7DC];
+ _sysExSequence = ((_musicData[0x7E1] << 8) | _musicData[0x7E0]) + _musicData;
+}
+
+void SkyGmMusic::setupChannels(uint8 *channelData) {
+
+ _numberOfChannels = channelData[0];
+ channelData++;
+ for (uint8 cnt = 0; cnt < _numberOfChannels; cnt++) {
+ uint16 chDataStart = ((channelData[(cnt << 1) | 1] << 8) | channelData[cnt << 1]) + _musicDataLoc;
+ _channels[cnt] = new SkyGmChannel(_musicData, chDataStart, _midiDrv, _mt32_to_gm + 128 * _currentSection);
+ }
+}
+
+void SkyGmMusic::startDriver(void) {
+
+ //_midiDrv->send(0xFF); //ALSA can't handle this.
+ // skip all sysEx as it can't be handled anyways.
+}
+
+// not sure about these tables. Now it's just 6 copies of jamiesons table in the
+// instruments.cpp, but I still think that there must be something to be done to them.
+
+byte SkyGmMusic::_mt32_to_gm[6*128] = {
+// Section 0:
+// 0 1 2 3 4 5 6 7 8 9 A B C D E F
+ 0, 1, 0, 2, 4, 4, 5, 3, 16, 17, 18, 16, 16, 19, 20, 21, // 0x
+ 6, 6, 6, 7, 7, 7, 8, 112, 62, 62, 63, 63, 38, 38, 39, 39, // 1x
+ 88, 95, 52, 98, 97, 99, 14, 54, 102, 96, 53, 102, 81, 100, 14, 80, // 2x
+ 48, 48, 49, 45, 41, 40, 42, 42, 43, 46, 45, 24, 25, 28, 27, 104, // 3x
+ 32, 32, 34, 33, 36, 37, 35, 35, 79, 73, 72, 72, 74, 75, 64, 65, // 4x
+ 66, 67, 71, 71, 68, 69, 70, 22, 56, 59, 57, 57, 60, 60, 58, 61, // 5x
+ 61, 11, 11, 98, 14, 9, 14, 13, 12, 107, 107, 77, 78, 78, 76, 76, // 6x
+ 47, 117, 127, 118, 118, 116, 115, 119, 115, 112, 55, 124, 123, 0, 14, 117, // 7x
+// Section 1:
+// 0 1 2 3 4 5 6 7 8 9 A B C D E F
+ 0, 1, 0, 2, 4, 4, 5, 3, 16, 17, 18, 16, 16, 19, 20, 21, // 0x
+ 6, 6, 6, 7, 7, 7, 8, 112, 62, 62, 63, 63, 38, 38, 39, 39, // 1x
+ 88, 95, 52, 98, 97, 99, 14, 54, 102, 96, 53, 102, 81, 100, 14, 80, // 2x
+ 48, 48, 49, 45, 41, 40, 42, 42, 43, 46, 45, 24, 25, 28, 27, 104, // 3x
+ 32, 32, 34, 33, 36, 37, 35, 35, 79, 73, 72, 72, 74, 75, 64, 65, // 4x
+ 66, 67, 71, 71, 68, 69, 70, 22, 56, 59, 57, 57, 60, 60, 58, 61, // 5x
+ 61, 11, 11, 98, 14, 9, 14, 13, 12, 107, 107, 77, 78, 78, 76, 76, // 6x
+ 47, 117, 127, 118, 118, 116, 115, 119, 115, 112, 55, 124, 123, 0, 14, 117, // 7x
+// Section 2:
+// 0 1 2 3 4 5 6 7 8 9 A B C D E F
+ 0, 1, 0, 2, 4, 4, 5, 3, 16, 17, 18, 16, 16, 19, 20, 21, // 0x
+ 6, 6, 6, 7, 7, 7, 8, 112, 62, 62, 63, 63, 38, 38, 39, 39, // 1x
+ 88, 95, 52, 98, 97, 99, 14, 54, 102, 96, 53, 102, 81, 100, 14, 80, // 2x
+ 48, 48, 49, 45, 41, 40, 42, 42, 43, 46, 45, 24, 25, 28, 27, 104, // 3x
+ 32, 32, 34, 33, 36, 37, 35, 35, 79, 73, 72, 72, 74, 75, 64, 65, // 4x
+ 66, 67, 71, 71, 68, 69, 70, 22, 56, 59, 57, 57, 60, 60, 58, 61, // 5x
+ 61, 11, 11, 98, 14, 9, 14, 13, 12, 107, 107, 77, 78, 78, 76, 76, // 6x
+ 47, 117, 127, 118, 118, 116, 115, 119, 115, 112, 55, 124, 123, 0, 14, 117, // 7x
+// Section 3:
+// 0 1 2 3 4 5 6 7 8 9 A B C D E F
+ 0, 1, 0, 2, 4, 4, 5, 3, 16, 17, 18, 16, 16, 19, 20, 21, // 0x
+ 6, 6, 6, 7, 7, 7, 8, 112, 62, 62, 63, 63, 38, 38, 39, 39, // 1x
+ 88, 95, 52, 98, 97, 99, 14, 54, 102, 96, 53, 102, 81, 100, 14, 80, // 2x
+ 48, 48, 49, 45, 41, 40, 42, 42, 43, 46, 45, 24, 25, 28, 27, 104, // 3x
+ 32, 32, 34, 33, 36, 37, 35, 35, 79, 73, 72, 72, 74, 75, 64, 65, // 4x
+ 66, 67, 71, 71, 68, 69, 70, 22, 56, 59, 57, 57, 60, 60, 58, 61, // 5x
+ 61, 11, 11, 98, 14, 9, 14, 13, 12, 107, 107, 77, 78, 78, 76, 76, // 6x
+ 47, 117, 127, 118, 118, 116, 115, 119, 115, 112, 55, 124, 123, 0, 14, 117, // 7x
+// Section 4:
+// 0 1 2 3 4 5 6 7 8 9 A B C D E F
+ 0, 1, 0, 2, 4, 4, 5, 3, 16, 17, 18, 16, 16, 19, 20, 21, // 0x
+ 6, 6, 6, 7, 7, 7, 8, 112, 62, 62, 63, 63, 38, 38, 39, 39, // 1x
+ 88, 95, 52, 98, 97, 99, 14, 54, 102, 96, 53, 102, 81, 100, 14, 80, // 2x
+ 48, 48, 49, 45, 41, 40, 42, 42, 43, 46, 45, 24, 25, 28, 27, 104, // 3x
+ 32, 32, 34, 33, 36, 37, 35, 35, 79, 73, 72, 72, 74, 75, 64, 65, // 4x
+ 66, 67, 71, 71, 68, 69, 70, 22, 56, 59, 57, 57, 60, 60, 58, 61, // 5x
+ 61, 11, 11, 98, 14, 9, 14, 13, 12, 107, 107, 77, 78, 78, 76, 76, // 6x
+ 47, 117, 127, 118, 118, 116, 115, 119, 115, 112, 55, 124, 123, 0, 14, 117, // 7x
+// Section 5:
+// 0 1 2 3 4 5 6 7 8 9 A B C D E F
+ 0, 1, 0, 2, 4, 4, 5, 3, 16, 17, 18, 16, 16, 19, 20, 21, // 0x
+ 6, 6, 6, 7, 7, 7, 8, 112, 62, 62, 63, 63, 38, 38, 39, 39, // 1x
+ 88, 95, 52, 98, 97, 99, 14, 54, 102, 96, 53, 102, 81, 100, 14, 80, // 2x
+ 48, 48, 49, 45, 41, 40, 42, 42, 43, 46, 45, 24, 25, 28, 27, 104, // 3x
+ 32, 32, 34, 33, 36, 37, 35, 35, 79, 73, 72, 72, 74, 75, 64, 65, // 4x
+ 66, 67, 71, 71, 68, 69, 70, 22, 56, 59, 57, 57, 60, 60, 58, 61, // 5x
+ 61, 11, 11, 98, 14, 9, 14, 13, 12, 107, 107, 77, 78, 78, 76, 76, // 6x
+ 47, 117, 127, 118, 118, 116, 115, 119, 115, 112, 55, 124, 123, 0, 14, 117 // 7x
+};
diff --git a/sky/music/gmmusic.h b/sky/music/gmmusic.h
new file mode 100644
index 0000000000..be26bf26fd
--- /dev/null
+++ b/sky/music/gmmusic.h
@@ -0,0 +1,49 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2003 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.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef GMMUSIC_H
+#define GMMUSIC_H
+
+#include "stdafx.h"
+#include "common/engine.h"
+#include "musicbase.h"
+#include "sound/mididrv.h"
+#include "gmchannel.h"
+
+class SkyGmMusic : public SkyMusicBase {
+public:
+ SkyGmMusic(MidiDriver *pMidiDrv, SkyDisk *pSkyDisk, uint32 version);
+ ~SkyGmMusic(void);
+private:
+ static void passTimerFunc(void *param);
+ void timerCall(void);
+
+ bool _ignoreNextPoll;
+ uint8 *_sysExSequence;
+ MidiDriver *_midiDrv;
+ static byte _mt32_to_gm[6*128];
+
+ virtual void setupPointers(void);
+ virtual void setupChannels(uint8 *channelData);
+ virtual void startDriver(void);
+};
+
+#endif //GMMUSIC_H
diff --git a/sky/music/mt32music.cpp b/sky/music/mt32music.cpp
new file mode 100644
index 0000000000..53765f9941
--- /dev/null
+++ b/sky/music/mt32music.cpp
@@ -0,0 +1,182 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2003 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.
+ *
+ * $Header$
+ *
+ */
+
+#include "sky/mt32music.h"
+
+void SkyMT32Music::passTimerFunc(void *param) {
+
+ ((SkyMT32Music*)param)->timerCall();
+}
+
+SkyMT32Music::SkyMT32Music(MidiDriver *pMidiDrv, SkyDisk *pSkyDisk, uint32 version)
+ : SkyMusicBase(pSkyDisk, version) {
+
+ _driverFileBase = 60200;
+ _midiDrv = pMidiDrv;
+ int midiRes = _midiDrv->open();
+ if (midiRes != 0) {
+ error("Can't open midi device. Errorcode: %d\n",midiRes);
+ }
+ _midiDrv->setTimerCallback(this, passTimerFunc);
+ _ignoreNextPoll = false;
+ for (uint8 cnt = 0; cnt < 128; cnt++)
+ _dummyMap[cnt] = cnt;
+}
+
+SkyMT32Music::~SkyMT32Music(void) {
+
+ _midiDrv->close();
+ _midiDrv->setTimerCallback(NULL, NULL);
+ delete _midiDrv;
+}
+
+void SkyMT32Music::timerCall(void) {
+
+ // midi driver polls hundred times per sec. We only want 50 times.
+ _ignoreNextPoll = !_ignoreNextPoll;
+ if (!_ignoreNextPoll) return;
+
+ if (_musicData != NULL)
+ pollMusic();
+}
+
+void SkyMT32Music::setupPointers(void) {
+
+ _musicDataLoc = (_musicData[0x7DD] << 8) | _musicData[0x7DC];
+ _sysExSequence = ((_musicData[0x7E1] << 8) | _musicData[0x7E0]) + _musicData;
+}
+
+void SkyMT32Music::setupChannels(uint8 *channelData) {
+
+ _numberOfChannels = channelData[0];
+ channelData++;
+ for (uint8 cnt = 0; cnt < _numberOfChannels; cnt++) {
+ uint16 chDataStart = ((channelData[(cnt << 1) | 1] << 8) | channelData[cnt << 1]) + _musicDataLoc;
+ _channels[cnt] = new SkyGmChannel(_musicData, chDataStart, _midiDrv, _dummyMap);
+ }
+}
+
+#define MIDI_PACK(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
+
+bool SkyMT32Music::processPatchSysEx(uint8 *sysExData) {
+
+ uint8 crc = 0;
+ if (sysExData[0] & 0x80) return false;
+ uint8 patchNum = sysExData[0];
+ sysExData++;
+
+ uint8 timbreGroup = sysExData[0] >> 6;
+ uint8 timbreNumber = sysExData[0] & 0x3F;
+ uint8 keyShift = sysExData[1] & 0x3F;
+ uint8 fineTune = sysExData[2] & 0x7F;
+ uint8 benderRange = sysExData[3] & 0x7F;
+ uint8 assignMode = sysExData[1] >> 6;
+ uint8 reverbSwitch = sysExData[2] >> 7;
+
+ _midiDrv->send(MIDI_PACK(0xF0, 0x41, 0x10, 0x16));
+ _midiDrv->send(MIDI_PACK(0x12, 5, patchNum >> 4, (patchNum & 0xF) << 3));
+
+ crc -= 5 + (patchNum >> 4) + ((patchNum & 0xF) << 3);
+ crc -= timbreGroup + timbreNumber + keyShift + fineTune;
+ crc -= benderRange + assignMode + reverbSwitch;
+
+ _midiDrv->send(MIDI_PACK(timbreGroup, timbreNumber, keyShift, fineTune));
+ _midiDrv->send(MIDI_PACK(benderRange, assignMode, reverbSwitch, crc));
+ _midiDrv->send(0xF7);
+
+ debug(3," Patch %02X:\n",patchNum);
+ debug(3," Timbre Group: %d\n",timbreGroup);
+ debug(3," Timbre Number: %d\n",timbreNumber);
+ debug(3," Key Shift: %d\n",keyShift);
+ debug(3," Fine Tune: %d\n",fineTune);
+ debug(3," Bender Range: %d\n",benderRange);
+ debug(3," Assign Mode: %d\n",assignMode);
+ debug(3," Reverb Switch: %d\n\n",reverbSwitch);
+ return true;
+}
+
+void SkyMT32Music::startDriver(void) {
+
+ _midiDrv->send(0xFF); // reset midi device
+
+ // setup timbres and patches using SysEx data
+ uint8* sysExData = _sysExSequence;
+ uint8 timbreNum = sysExData[0];
+ uint8 cnt, crc;
+ uint32 sysComb;
+ sysExData++;
+ for (cnt = 0; cnt < timbreNum; cnt++) {
+ crc = 0;
+ _midiDrv->send(MIDI_PACK(0xF0, 0x41, 0x10, 0x16));
+ //- sendTimbreAddress
+ sysComb = (0x2 << 16) | (sysExData[0] << 8) | 0xA;
+ sysExData++;
+ uint8 sysByte1 = (uint8)(sysComb >> 14);
+ uint8 sysByte2 = (uint8)((sysComb & 0x3FFF) >> 7);
+ uint8 sysByte3 = (uint8)(sysComb & 0x7F);
+ _midiDrv->send(MIDI_PACK(0x12, sysByte1, sysByte2, sysByte3));
+ debug(3,"InitBySysEx: Timbre address: %02X:%02X:%02X (%02X)\n",sysByte1,sysByte2,sysByte3,(sysExData-1)[0]);
+ crc -= sysByte1 + sysByte2 + sysByte3;
+ //- sendTimbreData
+ uint8 dataLen = sysExData[0];
+ debug(3,"[%02X]",dataLen);
+ sysExData++;
+ uint32 nextSend = 0;
+ uint8 bytesInSend = 0;
+ debug(3," Timbre Data:");
+ do {
+ uint8 rlVal = 1;
+ uint8 codeVal = sysExData[0];
+ sysExData++;
+
+ if (codeVal & 0x80) {
+ codeVal &= 0x7F;
+ rlVal = sysExData[0];
+ sysExData++;
+ dataLen--;
+ }
+ for (uint8 cnt = 0; cnt < rlVal; cnt++) {
+ nextSend |= codeVal << (bytesInSend << 3);
+ crc -= codeVal;
+ debug(3," %02X",codeVal);
+ bytesInSend++;
+ if (bytesInSend == 4) {
+ _midiDrv->send(nextSend);
+ nextSend = bytesInSend = 0;
+ }
+ }
+ dataLen--;
+ } while (dataLen > 0);
+ crc &= 0x7F;
+ debug(3," %02X F7\n",crc);
+ nextSend |= crc << (bytesInSend << 3);
+ bytesInSend++;
+ if (bytesInSend == 4) {
+ _midiDrv->send(nextSend);
+ nextSend = bytesInSend = 0;
+ }
+ nextSend |= 0xF7 << (bytesInSend << 3);
+ _midiDrv->send(nextSend);
+ }
+
+ while (processPatchSysEx(sysExData))
+ sysExData += 5;
+}
diff --git a/sky/music/mt32music.h b/sky/music/mt32music.h
new file mode 100644
index 0000000000..9b396b649d
--- /dev/null
+++ b/sky/music/mt32music.h
@@ -0,0 +1,50 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2003 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.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef MT32MUSIC_H
+#define MT32MUSIC_H
+
+#include "stdafx.h"
+#include "common/engine.h"
+#include "musicbase.h"
+#include "sound/mididrv.h"
+#include "gmchannel.h"
+
+class SkyMT32Music : public SkyMusicBase {
+public:
+ SkyMT32Music(MidiDriver *pMidiDrv, SkyDisk *pSkyDisk, uint32 version);
+ ~SkyMT32Music(void);
+private:
+ static void passTimerFunc(void *param);
+ void timerCall(void);
+ bool processPatchSysEx(uint8 *sysExData);
+
+ bool _ignoreNextPoll;
+ uint8 *_sysExSequence;
+ MidiDriver *_midiDrv;
+ uint8 _dummyMap[128];
+
+ virtual void setupPointers(void);
+ virtual void setupChannels(uint8 *channelData);
+ virtual void startDriver(void);
+};
+
+#endif //MT32MUSIC_H
diff --git a/sky/music/musicbase.cpp b/sky/music/musicbase.cpp
new file mode 100644
index 0000000000..7d930dae18
--- /dev/null
+++ b/sky/music/musicbase.cpp
@@ -0,0 +1,164 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2003 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.
+ *
+ * $Header$
+ *
+ */
+
+#include "musicbase.h"
+
+SkyMusicBase::SkyMusicBase(SkyDisk *pSkyDisk, uint32 version) {
+
+ _gameVersion = version;
+ _musicData = NULL;
+ _allowedCommands = 0;
+ _skyDisk = pSkyDisk;
+ _currentMusic = 0;
+}
+
+SkyMusicBase::~SkyMusicBase(void)
+{
+ if (_musicData) free(_musicData);
+}
+
+void SkyMusicBase::loadSection(uint8 pSection)
+{
+ if (_currentMusic) stopMusic();
+ if (_musicData) free(_musicData);
+ _currentSection = pSection;
+ _musicData = _skyDisk->loadFile(_driverFileBase + FILES_PER_SECTION * pSection, NULL);
+ _allowedCommands = 0;
+ _musicTempo0 = 0x78; // init constants taken from idb file, area ~0x1060
+ _musicTempo1 = 0xC0;
+ _musicVolume = 0x100;
+ _onNextPoll.doReInit = false;
+ _onNextPoll.doStopMusic = false;
+ _onNextPoll.musicToProcess = 0;
+ _tempo = _aktTime = 0x10001;
+ _numberOfChannels = _currentMusic = 0;
+ setupPointers();
+ startDriver();
+}
+
+void SkyMusicBase::musicCommand(uint16 command)
+{
+ if (_musicData == NULL) {
+ debug(1,"Got music command but driver is not yet loaded.\n");
+ return ;
+ }
+ if ((command >> 8) > _allowedCommands) {
+ debug(1,"got musicCommand %d while expecting <= %d\n", command >> 8, _allowedCommands);
+ return ;
+ }
+ switch(command >> 8) {
+ case 0:
+ debug(1,"SkyMusic: got call to startAdlibDriver(). Not necessary in this implementation.\n");
+ break;
+ case 1:
+ debug(1,"SkyMusic: got call to stopDriver(). Not necessary in this implementation.\n");
+ break;
+ case 2:
+ debug(1,"SkyMusic: got call to SetTempo(). Tempo is fixed in this implementation.\n");
+ break;
+ case 3:
+ debug(1,"SkyMusic: ignored direct call to driverPoll().\n");
+ break;
+ case 4:
+ startMusic(command&0xFF);
+ break;
+ case 6:
+ reinitFM();
+ break;
+ case 7:
+ stopMusic();
+ break;
+ case 13:
+ setFMVolume(command&0xFF);
+ break;
+ default:
+ debug(1,"musicCommand %d ignored.\n",command>>8);
+ }
+}
+
+void SkyMusicBase::setFMVolume(uint16 param)
+{
+ _musicVolume = param;
+ for (uint8 cnt = 0; cnt < _numberOfChannels; cnt++)
+ _channels[cnt]->updateVolume(_musicVolume);
+}
+
+void SkyMusicBase::stopMusic(void)
+{
+ for (uint8 cnt = 0; cnt < _numberOfChannels; cnt++) {
+ _channels[cnt]->stopNote();
+ delete _channels[cnt];
+ }
+ _numberOfChannels = 0;
+}
+
+void SkyMusicBase::updateTempo(void)
+{
+ uint16 tempoMul = _musicTempo0*_musicTempo1;
+ uint16 divisor = 0x4446390/23864;
+ _tempo = (tempoMul / divisor)<<16;
+ _tempo |= (((tempoMul%divisor)<<16) | (tempoMul/divisor)) / divisor;
+}
+
+void SkyMusicBase::loadNewMusic(void)
+{
+ uint16 musicPos;
+ if (_onNextPoll.musicToProcess > _musicData[_musicDataLoc]) {
+ error("Music %d requested but doesn't exist in file.\n", _onNextPoll.musicToProcess);
+ return;
+ }
+ if (_currentMusic != 0) stopMusic();
+
+ _currentMusic = _onNextPoll.musicToProcess;
+ _onNextPoll.musicToProcess = 0;
+
+ if (_currentMusic != 0) {
+ musicPos = (_musicData[_musicDataLoc+2]<<8) | _musicData[_musicDataLoc+1];
+ musicPos += _musicDataLoc+((_currentMusic-1)<<1);
+ musicPos = ((_musicData[musicPos+1]<<8) | _musicData[musicPos]) + _musicDataLoc;
+
+ _musicTempo0 = _musicData[musicPos];
+ _musicTempo1 = _musicData[musicPos+1];
+
+ setupChannels(_musicData + musicPos + 2);
+
+ updateTempo();
+ }
+}
+
+void SkyMusicBase::pollMusic(void)
+{
+ uint8 newTempo;
+ if (_onNextPoll.doReInit) startDriver();
+ if (_onNextPoll.doStopMusic) stopMusic();
+ if (_onNextPoll.musicToProcess) loadNewMusic();
+
+ _aktTime += _tempo;
+
+ for (uint8 cnt = 0; cnt < _numberOfChannels; cnt++) {
+ newTempo = _channels[cnt]->process((uint16)(_aktTime >> 16));
+ if (newTempo) {
+ _musicTempo1 = newTempo;
+ updateTempo();
+ }
+ }
+ _aktTime &= 0xFFFF;
+}
diff --git a/sky/music/musicbase.h b/sky/music/musicbase.h
new file mode 100644
index 0000000000..306cfaa0db
--- /dev/null
+++ b/sky/music/musicbase.h
@@ -0,0 +1,85 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2003 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.
+ *
+ * $Header$
+ *
+ */
+
+#ifndef MUSICBASE_H
+#define MUSICBASE_H
+
+#include "stdafx.h"
+#include "common/engine.h"
+#include "sky/disk.h"
+
+#define FILES_PER_SECTION 4
+
+typedef struct {
+ bool doReInit, doStopMusic;
+ uint8 musicToProcess;
+} Actions;
+
+class SkyChannelBase {
+public:
+ virtual void stopNote(void) = 0;
+ virtual uint8 process(uint16 aktTime) = 0;
+ virtual void updateVolume(uint16 pVolume) = 0;
+private:
+};
+
+class SkyMusicBase {
+public:
+ SkyMusicBase(SkyDisk *pSkyDisk, uint32 version);
+ virtual ~SkyMusicBase(void);
+ void loadSection(uint8 pSection);
+ void musicCommand(uint16 command);
+ void startMusic(uint16 param) { _onNextPoll.musicToProcess = param & 0xF; }; // 4
+
+protected:
+ uint32 _gameVersion;
+
+ SkyDisk *_skyDisk;
+ uint8 *_musicData;
+ uint8 _allowedCommands;
+ uint16 _musicDataLoc;
+ uint16 _driverFileBase;
+
+ uint16 _musicVolume, _numberOfChannels;
+ uint8 _currentMusic, _currentSection;
+ uint8 _musicTempo0; // can be changed by music stream
+ uint8 _musicTempo1; // given once per music
+ uint32 _tempo; // calculated from musicTempo0 and musicTempo1
+ uint32 _aktTime;
+ Actions _onNextPoll;
+ SkyChannelBase *_channels[10];
+
+ virtual void setupPointers(void) = 0;
+ virtual void setupChannels(uint8 *channelData) = 0;
+
+ void updateTempo(void);
+ void loadNewMusic(void);
+ //- functions from CommandTable @0x90 (the main interface)
+ virtual void startDriver(void) = 0; // 0
+ void StopDriver(void); // 1
+ void setTempo(uint16 newTempo); // 2
+ void pollMusic(); // 3
+ void reinitFM(void) { _onNextPoll.doReInit = true; }; // 6
+ void stopMusic(); // 7
+ void setFMVolume(uint16 param); // 13
+};
+
+#endif //MUSICBASE_H
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