mirror of
https://github.com/tildearrow/furnace.git
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86 lines
2.6 KiB
C++
86 lines
2.6 KiB
C++
/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2023 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 _SWAN_H
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#define _SWAN_H
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#include "../dispatch.h"
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#include "../waveSynth.h"
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#include "sound/swan.h"
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#include <queue>
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class DivPlatformSwan: public DivDispatch {
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struct Channel: public SharedChannel<int> {
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unsigned char pan;
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int wave;
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DivWaveSynth ws;
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Channel():
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SharedChannel<int>(15),
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pan(255),
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wave(-1) {}
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};
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Channel chan[4];
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DivDispatchOscBuffer* oscBuf[4];
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bool isMuted[4];
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bool pcm, sweep, furnaceDac;
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unsigned char sampleBank, noise;
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int dacPeriod, dacRate;
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unsigned int dacPos;
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int dacSample;
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unsigned char regPool[0x80];
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struct QueuedWrite {
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unsigned char addr;
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unsigned char val;
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QueuedWrite(unsigned char a, unsigned char v): addr(a), val(v) {}
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};
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std::queue<QueuedWrite> writes;
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std::queue<DivRegWrite> postDACWrites;
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WSwan* ws;
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void updateWave(int ch);
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friend void putDispatchChip(void*,int);
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friend void putDispatchChan(void*,int,int);
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public:
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void acquire(short** buf, size_t len);
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int dispatch(DivCommand c);
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void* getChanState(int chan);
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DivMacroInt* getChanMacroInt(int ch);
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DivDispatchOscBuffer* getOscBuffer(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(bool sysTick=true);
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void muteChannel(int ch, bool mute);
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void setFlags(const DivConfig& flags);
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void notifyWaveChange(int wave);
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void notifyInsDeletion(void* ins);
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int getOutputCount();
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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, const DivConfig& flags);
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void quit();
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~DivPlatformSwan();
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private:
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void calcAndWriteOutVol(int ch, int env);
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void writeOutVol(int ch);
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};
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#endif
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