diff options
Diffstat (limited to 'engines/sherlock/tattoo/drivers/tattoo_mt32.cpp')
| -rw-r--r-- | engines/sherlock/tattoo/drivers/tattoo_mt32.cpp | 437 |
1 files changed, 0 insertions, 437 deletions
diff --git a/engines/sherlock/tattoo/drivers/tattoo_mt32.cpp b/engines/sherlock/tattoo/drivers/tattoo_mt32.cpp deleted file mode 100644 index 73bc1b9dda..0000000000 --- a/engines/sherlock/tattoo/drivers/tattoo_mt32.cpp +++ /dev/null @@ -1,437 +0,0 @@ -/* ScummVM - Graphic Adventure Engine - * - * ScummVM is the legal property of its developers, whose names - * are too numerous to list here. Please refer to the COPYRIGHT - * file distributed with this source distribution. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - */ - -#include "sherlock/sherlock.h" -#include "sherlock/tattoo/drivers/tattoo_mididriver.h" - -#include "common/config-manager.h" -#include "common/file.h" -#include "common/system.h" -#include "common/textconsole.h" - -namespace Sherlock { - -#define MILES_MT32_PATCH_COUNT 128 - -const byte milesMT32SysExResetParameters[] = { - 0x01, 0xFF -}; - -const byte milesMT32SysExChansSetup[] = { - 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0xFF -}; - -const byte milesMT32SysExPartialReserveTable[] = { - 0x03, 0x04, 0x03, 0x04, 0x03, 0x04, 0x03, 0x04, 0x04, 0xFF -}; - -const byte milesMT32SysExInitReverb[] = { - 0x00, 0x03, 0x02, 0xFF // Reverb mode 0, reverb time 3, reverb level 2 -}; - -class MidiDriver_Miles_MT32 : public MidiDriver { -public: - MidiDriver_Miles_MT32(); - virtual ~MidiDriver_Miles_MT32(); - - // MidiDriver - int open(); - void close(); - bool isOpen() const { return _isOpen; } - - void send(uint32 b); - - MidiChannel *allocateChannel() { - if (_driver) - return _driver->allocateChannel(); - return NULL; - } - MidiChannel *getPercussionChannel() { - if (_driver) - return _driver->getPercussionChannel(); - return NULL; - } - - void setTimerCallback(void *timer_param, Common::TimerManager::TimerProc timer_proc) { - if (_driver) - _driver->setTimerCallback(timer_param, timer_proc); - } - - uint32 getBaseTempo() { - if (_driver) { - return _driver->getBaseTempo(); - } - return 1000000 / _baseFreq; - } - -protected: - Common::Mutex _mutex; - MidiDriver *_driver; - bool _MT32; - bool _nativeMT32; - - bool _isOpen; - int _baseFreq; - -public: - -private: - void resetMT32(); - - void MT32SysEx(const uint32 targetAddress, const byte *dataPtr); - - void writePatchTimbre(byte patchId, byte timbreGroup, byte timbreId); - void writePatchByte(byte patchId, byte index, byte patchValue); - void writeToSystemArea(byte index, byte value); - - void controlChange(byte midiChannel, byte controllerNumber, byte controllerValue); - void programChange(byte midiChannel, byte patchId); - - void setupPatch(byte patchId, byte patchBank); - -private: - struct MidiChannelEntry { - byte currentPatchBank; - byte currentPatchId; - bool patchIdSet; - - MidiChannelEntry() : currentPatchBank(0), - currentPatchId(0), - patchIdSet(false) { } - }; - - // stores information about all MIDI channels - MidiChannelEntry _midiChannels[MILES_MIDI_CHANNEL_COUNT]; - - byte _patchesBank[MILES_MT32_PATCH_COUNT]; -}; - -MidiDriver_Miles_MT32::MidiDriver_Miles_MT32() { - _driver = NULL; - _isOpen = false; - _MT32 = false; - _nativeMT32 = false; - _baseFreq = 250; - - memset(_patchesBank, 0, sizeof(_patchesBank)); -} - -MidiDriver_Miles_MT32::~MidiDriver_Miles_MT32() { - Common::StackLock lock(_mutex); - if (_driver) { - _driver->setTimerCallback(0, 0); - _driver->close(); - delete _driver; - } - _driver = NULL; -} - -int MidiDriver_Miles_MT32::open() { - assert(!_driver); - - // Setup midi driver - MidiDriver::DeviceHandle dev = MidiDriver::detectDevice(MDT_MIDI | MDT_PREFER_MT32); - MusicType musicType = MidiDriver::getMusicType(dev); - - switch (musicType) { - case MT_MT32: - _nativeMT32 = true; - break; - case MT_GM: - if (ConfMan.getBool("native_mt32")) { - _nativeMT32 = true; - } - break; - default: - break; - } - - if (!_nativeMT32) { - error("MILES-MT32: non-mt32 currently not supported!"); - } - - _driver = MidiDriver::createMidi(dev); - if (!_driver) - return 255; - - if (_nativeMT32) - _driver->property(MidiDriver::PROP_CHANNEL_MASK, 0x03FE); - - int ret = _driver->open(); - if (ret) - return ret; - - if (_nativeMT32) { - _driver->sendMT32Reset(); - - resetMT32(); - } - - return 0; -} - -void MidiDriver_Miles_MT32::close() { - if (_driver) { - _driver->close(); - } -} - -void MidiDriver_Miles_MT32::resetMT32() { - // reset all internal parameters / patches - MT32SysEx(0x7F0000, milesMT32SysExResetParameters); - - // init part/channel assignments - MT32SysEx(0x10000D, milesMT32SysExChansSetup); - - // partial reserve table - MT32SysEx(0x100004, milesMT32SysExPartialReserveTable); - - // init reverb - MT32SysEx(0x100001, milesMT32SysExInitReverb); -} - -void MidiDriver_Miles_MT32::MT32SysEx(const uint32 targetAddress, const byte *dataPtr) { - byte sysExMessage[270]; - uint16 sysExPos = 0; - byte sysExByte = 0; - uint16 sysExChecksum = 0; - - memset(&sysExMessage, 0, sizeof(sysExMessage)); - - sysExMessage[0] = 0x41; // Roland - sysExMessage[1] = 0x10; - sysExMessage[2] = 0x16; // Model MT32 - sysExMessage[3] = 0x12; // Command DT1 - - sysExChecksum = 0; - - sysExMessage[4] = (targetAddress >> 16) & 0xFF; - sysExMessage[5] = (targetAddress >> 8) & 0xFF; - sysExMessage[6] = targetAddress & 0xFF; - - sysExChecksum -= sysExMessage[4]; - sysExChecksum -= sysExMessage[5]; - sysExChecksum -= sysExMessage[6]; - - sysExPos = 7; - while (1) { - sysExByte = *dataPtr++; - if (sysExByte == 0xff) - break; // Message done - - assert(sysExPos < sizeof(sysExMessage)); - sysExMessage[sysExPos++] = sysExByte; - sysExChecksum -= sysExByte; - } - - // Calculate checksum - assert(sysExPos < sizeof(sysExMessage)); - sysExMessage[sysExPos++] = sysExChecksum & 0x7f; - - // Send SysEx - _driver->sysEx(sysExMessage, sysExPos); - - // Wait the time it takes to send the SysEx data - uint32 delay = (sysExPos + 2) * 1000 / 3125; - - // Plus an additional delay for the MT-32 rev00 - if (_nativeMT32) - delay += 40; - - g_system->delayMillis(delay); -} - -// MIDI messages can be found at http://www.midi.org/techspecs/midimessages.php -void MidiDriver_Miles_MT32::send(uint32 b) { - byte command = b & 0xf0; - byte channel = b & 0xf; - byte op1 = (b >> 8) & 0xff; - byte op2 = (b >> 16) & 0xff; - - switch (command) { - case 0x80: // note off - case 0x90: // note on - case 0xe0: // pitch bend change - _driver->send(b); - break; - case 0xb0: // Control change - controlChange(channel, op1, op2); - break; - case 0xc0: // Program Change - programChange(channel, op1); - break; - case 0xa0: // Polyphonic key pressure (aftertouch) - case 0xd0: // Channel pressure (aftertouch) - // Aftertouch doesn't seem to be implemented in the Sherlock Holmes adlib driver - break; - case 0xf0: // SysEx - warning("MILES-MT32: SysEx: %x", b); - break; - default: - warning("MILES-MT32: Unknown event %02x", command); - } -} - -void MidiDriver_Miles_MT32::controlChange(byte midiChannel, byte controllerNumber, byte controllerValue) { - byte channelPatchId = 0; - - switch (controllerNumber) { - case MILES_CONTROLLER_SELECT_PATCH_BANK: - _midiChannels[midiChannel].currentPatchBank = controllerValue; - return; - - case MILES_CONTROLLER_PATCH_REVERB: - channelPatchId = _midiChannels[midiChannel].currentPatchId; - - writePatchByte(channelPatchId, 6, controllerValue); - _driver->send(0xC0 | midiChannel | (channelPatchId << 8)); // execute program change - return; - - case MILES_CONTROLLER_PATCH_BENDER: - channelPatchId = _midiChannels[midiChannel].currentPatchId; - - writePatchByte(channelPatchId, 4, controllerValue); - _driver->send(0xC0 | midiChannel | (channelPatchId << 8)); // execute program change - return; - - case MILES_CONTROLLER_REVERB_MODE: - writeToSystemArea(1, controllerValue); - return; - - case MILES_CONTROLLER_REVERB_TIME: - writeToSystemArea(2, controllerValue); - return; - - case MILES_CONTROLLER_REVERB_LEVEL: - writeToSystemArea(3, controllerValue); - return; - - case MILES_CONTROLLER_RHYTHM_KEY_TIMBRE: - // uses .MT data, cannot implement atm - return; - - case MILES_CONTROLLER_PROTECT_TIMBRE: - // timbre .MT data, cannot implement atm - return; - - default: - break; - } - - if ((controllerNumber >= MILES_CONTROLLER_SYSEX_RANGE_BEGIN) && (controllerNumber <= MILES_CONTROLLER_SYSEX_RANGE_END)) { - // send SysEx - warning("MILES-MT32: embedded SysEx controller %2x, value %2x", controllerNumber, controllerValue); - return; - } - - if ((controllerNumber >= MILES_CONTROLLER_XMIDI_RANGE_BEGIN) && (controllerNumber <= MILES_CONTROLLER_XMIDI_RANGE_END)) { - // XMIDI controllers? ignore those - return; - } - - _driver->send(0xB0 | midiChannel | (controllerNumber << 8) | (controllerValue << 16)); -} - -void MidiDriver_Miles_MT32::programChange(byte midiChannel, byte patchId) { - byte channelPatchBank = _midiChannels[midiChannel].currentPatchBank; - byte activePatchBank = _patchesBank[patchId]; - - // remember patch id for the current MIDI-channel - _midiChannels[midiChannel].currentPatchId = patchId; - - if (channelPatchBank != activePatchBank) { - // associate patch with timbre - setupPatch(patchId, channelPatchBank); - warning("setup patch"); - } - - // Search timbre and remember it (only used when timbre file is available) - // TODO - - // Finally send to MT32 - _driver->send(0xC0 | midiChannel | (patchId << 8)); -} - -void MidiDriver_Miles_MT32::setupPatch(byte patchId, byte patchBank) { - byte timbreId = 0; - - _patchesBank[patchId] = patchBank; - - if (patchBank) { - // non-built-in bank - // TODO: search timbre - } - - // for built-in bank (or timbres, that are not available) use default MT32 timbres - timbreId = patchId & 0x3F; - if (!(patchId & 0x40)) { - writePatchTimbre(patchId, 0, timbreId); // Group A - } else { - writePatchTimbre(patchId, 1, timbreId); // Group B - } -} - -void MidiDriver_Miles_MT32::writePatchTimbre(byte patchId, byte timbreGroup, byte timbreId) { - byte sysExData[3]; - uint32 targetAddress = 0; - - targetAddress = ((patchId << 3) << 16) | 0x000500; - - sysExData[0] = timbreGroup; - sysExData[1] = timbreId; - sysExData[2] = 0xFF; // terminator - - MT32SysEx(targetAddress, sysExData); -} - -void MidiDriver_Miles_MT32::writePatchByte(byte patchId, byte index, byte patchValue) { - byte sysExData[2]; - uint32 targetAddress = 0; - - targetAddress = (((patchId << 3) + index ) << 16) | 0x000500; - - sysExData[0] = patchValue; - sysExData[1] = 0xFF; // terminator - - MT32SysEx(targetAddress, sysExData); -} - -void MidiDriver_Miles_MT32::writeToSystemArea(byte index, byte value) { - byte sysExData[2]; - uint32 targetAddress = 0; - - targetAddress = 0x100000 | index; - - sysExData[0] = value; - sysExData[1] = 0xFF; // terminator - - MT32SysEx(targetAddress, sysExData); -} - -MidiDriver *MidiDriver_Miles_MT32_create(const Common::String instrumentDataFilename) { - // For some games there are timbre files called [something].MT - // Sherlock Holmes 2 doesn't have one of those - // so I can't implement them - return new MidiDriver_Miles_MT32(); -} - -} // End of namespace Sherlock |