diff options
Diffstat (limited to 'engines/scumm/imuse/drivers/fmtowns.h')
-rw-r--r-- | engines/scumm/imuse/drivers/fmtowns.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/engines/scumm/imuse/drivers/fmtowns.h b/engines/scumm/imuse/drivers/fmtowns.h new file mode 100644 index 0000000000..5413e3797f --- /dev/null +++ b/engines/scumm/imuse/drivers/fmtowns.h @@ -0,0 +1,83 @@ +/* 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. + * + */ + +#ifndef IMUSE_DRV_FMTOWNS_H +#define IMUSE_DRV_FMTOWNS_H + +#include "audio/softsynth/fmtowns_pc98/towns_audio.h" +#include "audio/mididrv.h" + + +class TownsMidiOutputChannel; +class TownsMidiInputChannel; +class TownsMidiChanState; + +class MidiDriver_TOWNS : public MidiDriver, public TownsAudioInterfacePluginDriver { +friend class TownsMidiInputChannel; +friend class TownsMidiOutputChannel; +public: + MidiDriver_TOWNS(Audio::Mixer *mixer); + ~MidiDriver_TOWNS(); + + int open(); + bool isOpen() const { return _isOpen; } + void close(); + + void send(uint32 b); + + void setTimerCallback(void *timer_param, Common::TimerManager::TimerProc timer_proc); + + uint32 getBaseTempo(); + MidiChannel *allocateChannel(); + MidiChannel *getPercussionChannel(); + + void timerCallback(int timerId); + +private: + void updateParser(); + void updateOutputChannels(); + + TownsMidiOutputChannel *allocateOutputChannel(uint8 pri); + + int randomValue(int para); + + TownsMidiInputChannel **_channels; + TownsMidiOutputChannel **_out; + TownsMidiChanState *_chanState; + + Common::TimerManager::TimerProc _timerProc; + void *_timerProcPara; + + TownsAudioInterface *_intf; + + uint32 _tickCounter; + uint8 _allocCurPos; + uint8 _rand; + + bool _isOpen; + + uint8 *_operatorLevelTable; + + const uint16 _baseTempo; +}; + +#endif |