118 lines
2.4 KiB
C++
118 lines
2.4 KiB
C++
// Meteor - A Nintendo Gameboy Advance emulator
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// Copyright (C) 2009-2011 Philippe Daouadi
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef __SOUND_H__
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#define __SOUND_H__
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#include "audio/speaker.hpp"
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#include "clock.hpp"
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#include <stdint.h>
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#include <istream>
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#include <ostream>
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namespace AMeteor
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{
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class Sound
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{
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public :
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Sound ();
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void Reset ();
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inline Audio::Speaker& GetSpeaker();
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void UpdateCntH1 (uint8_t val);
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inline void ResetSound1 ();
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inline void ResetSound2 ();
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inline void ResetSound4 ();
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inline void ResetSound1Envelope ();
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inline void ResetSound2Envelope ();
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inline void ResetSound4Envelope ();
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void TimerOverflow (uint8_t timernum);
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inline void SendDigitalA (uint8_t* buffer);
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inline void SendDigitalB (uint8_t* buffer);
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bool SaveState (std::ostream& stream);
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bool LoadState (std::istream& stream);
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private :
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Audio::Speaker m_speaker;
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uint8_t m_fATimer, m_fBTimer;
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inline void TimerOverflowA ();
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inline void TimerOverflowB ();
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void TimeEvent ()
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{
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m_speaker.SoundTick();
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}
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friend void Clock::Commit ();
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};
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inline Audio::Speaker& Sound::GetSpeaker()
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{
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return m_speaker;
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}
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inline void Sound::ResetSound1 ()
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{
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m_speaker.ResetSound1();
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}
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inline void Sound::ResetSound2 ()
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{
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m_speaker.ResetSound2();
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}
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inline void Sound::ResetSound4 ()
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{
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m_speaker.ResetSound4();
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}
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inline void Sound::ResetSound1Envelope ()
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{
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m_speaker.ResetSound1Envelope();
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}
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inline void Sound::ResetSound2Envelope ()
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{
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m_speaker.ResetSound2Envelope();
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}
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inline void Sound::ResetSound4Envelope ()
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{
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m_speaker.ResetSound4Envelope();
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}
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inline void Sound::SendDigitalA (uint8_t* buffer)
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{
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m_speaker.FillFifoA((int8_t*)buffer);
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}
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inline void Sound::SendDigitalB (uint8_t* buffer)
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{
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m_speaker.FillFifoB((int8_t*)buffer);
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}
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}
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#endif
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