cms.h

/* 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 3 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, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef AUDIO_CMS_H
#define AUDIO_CMS_H

#include "audio/chip.h"

namespace CMS {

class CMS;

class Config {
public:
    static CMS *create();
};

class CMS : virtual public Audio::Chip {
private:
    static bool _hasInstance;

public:
    // The default number of timer callbacks per second.
    static const int DEFAULT_CALLBACK_FREQUENCY = 250;

    CMS();
    virtual ~CMS();

    virtual bool init() = 0;

    virtual void reset() = 0;

    virtual void write(int a, int v) = 0;

    virtual void writeReg(int r, int v) = 0;

    using Audio::Chip::start;
    void start(TimerCallback *callback) { start(callback, DEFAULT_CALLBACK_FREQUENCY); }
};

} // End of namespace CMS

#endif