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/* 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 PC98_AUDIO_H
#define PC98_AUDIO_H
#include "common/scummsys.h"
namespace Audio {
class Mixer;
}
class PC98AudioCoreInternal;
class PC98AudioPluginDriver {
public:
enum EmuType {
kTypeTowns,
kType26,
kType86
};
virtual ~PC98AudioPluginDriver() {}
virtual void timerCallbackA() {}
virtual void timerCallbackB() {}
};
class PC98AudioCore {
public:
PC98AudioCore(Audio::Mixer *mixer, PC98AudioPluginDriver *driver, PC98AudioPluginDriver::EmuType type, bool externalMutexHandling = false);
~PC98AudioCore();
bool init();
void reset();
void writeReg(uint8 part, uint8 regAddress, uint8 value);
uint8 readReg(uint8 part, uint8 regAddress);
void writePort(uint16 port, uint8 value);
uint8 readPort(uint16 port);
void setMusicVolume(int volume);
void setSoundEffectVolume(int volume);
// Defines the channels used as sound effect channels for the purpose of ScummVM GUI volume control.
// The first 6 bits are the 6 fm channels. The next 3 bits are ssg channels. The next bit is the rhythm channel.
void setSoundEffectChanMask(int mask);
void ssgSetVolume(int volume);
class MutexLock {
friend class PC98AudioCore;
public:
~MutexLock();
private:
MutexLock(PC98AudioCoreInternal *pc98int);
PC98AudioCoreInternal *_pc98int;
};
MutexLock stackLockMutex();
private:
PC98AudioCoreInternal *_internal;
};
#endif
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