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https://github.com/libretro/scummvm.git
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1c69696a9a
Test built for Symbian and run on P910i without any major problems. Test built for MSVC6. Changed parts seems to compile ok but there are some problems with MSVC6 and some of the targets which the EPOC build does n't support (KYRA,SAGA). svn-id: r18430
115 lines
2.5 KiB
C++
115 lines
2.5 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001 Ludvig Strigeus
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* Copyright (C) 2001-2005 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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#ifndef PLAYER_NES_H
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#define PLAYER_NES_H
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#include "common/scummsys.h"
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#include "scumm/music.h"
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#include "sound/audiostream.h"
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namespace Audio {
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class Mixer;
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}
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namespace Scumm {
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class ScummEngine;
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static const int MAXVOLUME = 0x7F;
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static const int NUMSLOTS = 3;
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static const int NUMCHANS = 4;
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/**
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* Scumm NES sound/music driver.
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*/
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class Player_NES : public AudioStream, public MusicEngine {
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public:
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Player_NES(ScummEngine *scumm);
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virtual ~Player_NES();
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virtual void setMusicVolume(int vol);
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virtual void startSound(int sound);
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virtual void stopSound(int sound);
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virtual void stopAllSounds();
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virtual int getSoundStatus(int sound) const;
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// AudioStream API
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int readBuffer(int16 *buffer, const int numSamples);
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bool isStereo() const { return false; }
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bool endOfData() const { return false; }
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int getRate() const { return _sample_rate; }
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private:
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void sound_play();
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void playSFX(int nr);
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void playMusic();
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byte fetchSoundByte(int nr);
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void chainCommand(int chan);
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void checkSilenceChannels(int chan);
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void APU_writeChannel(int chan, int offset, byte value);
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void APU_writeControl(byte value);
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byte APU_readStatus();
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void do_mix(int16 *buf, uint len);
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ScummEngine *_vm;
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Audio::Mixer *_mixer;
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int _sample_rate;
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int _samples_per_frame;
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int _current_sample;
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int _maxvol;
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struct slot {
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int framesleft;
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int id;
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int type;
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byte *data;
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int offset;
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} _slot[NUMSLOTS];
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struct mchan {
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int command;
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int framedelay;
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int pitch;
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int volume;
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int voldelta;
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int envflags;
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int cmdlock;
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} _mchan[NUMCHANS];
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bool isSFXplaying, wasSFXplaying;
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byte *dataStart;
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int numNotes;
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byte *auxData1;
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byte *auxData2;
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byte *soundptr;
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};
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} // End of namespace Scumm
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#endif
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