99 lines
2.7 KiB
C
99 lines
2.7 KiB
C
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/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2022 tildearrow and contributors
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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 2 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef _SNES_H
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#define _SNES_H
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#include "../dispatch.h"
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#include "../macroInt.h"
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#include <queue>
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#include "sound/snes/SPC_DSP.h"
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class DivPlatformSNES: public DivDispatch {
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struct Channel {
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int freq, baseFreq, pitch;
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unsigned int audLoc;
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unsigned short audLen;
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unsigned int audPos;
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int audSub;
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signed char audDat;
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int sample, wave;
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unsigned char ins;
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int busClock;
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int note;
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bool active, insChanged, freqChanged, keyOn, keyOff, inPorta, useWave, setPos;
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signed char vol, outVol;
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DivMacroInt std;
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Channel():
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freq(0),
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baseFreq(0),
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pitch(0),
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audLoc(0),
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audLen(0),
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audPos(0),
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audSub(0),
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audDat(0),
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sample(-1),
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wave(0),
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ins(-1),
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busClock(0),
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note(0),
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active(false),
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insChanged(true),
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freqChanged(false),
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keyOn(false),
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keyOff(false),
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inPorta(false),
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useWave(false),
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setPos(false),
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vol(64),
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outVol(64) {}
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};
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Channel chan[8];
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bool isMuted[8];
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unsigned char regPool[0x80];
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unsigned char aram[0x10000];
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SPC_DSP* dsp;
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friend void putDispatchChan(void*,int,int);
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public:
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void acquire(short* bufL, short* bufR, size_t start, size_t len);
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int dispatch(DivCommand c);
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void* getChanState(int chan);
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unsigned char* getRegisterPool();
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int getRegisterPoolSize();
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void reset();
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void forceIns();
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void tick();
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void muteChannel(int ch, bool mute);
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bool isStereo();
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bool keyOffAffectsArp(int ch);
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void notifyInsChange(int ins);
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void notifyWaveChange(int wave);
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void notifyInsDeletion(void* ins);
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void poke(unsigned int addr, unsigned short val);
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void poke(std::vector<DivRegWrite>& wlist);
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const char** getRegisterSheet();
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int init(DivEngine* parent, int channels, int sugRate, unsigned int flags);
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void quit();
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};
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#endif
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