88 lines
2.8 KiB
C++
88 lines
2.8 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 _SM8521_H
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#define _SM8521_H
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#include "../dispatch.h"
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#include "../fixedQueue.h"
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#include "../waveSynth.h"
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#include "sound/sm8521.h"
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class DivPlatformSM8521: public DivDispatch {
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const unsigned char volMap[3]={0x42,0x44,0x4a};
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const unsigned char freqMap[3][2]={{0x46,0x47},{0x48,0x49},{0x4c,0x4d}};
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struct Channel: public SharedChannel<signed char> {
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int antiClickPeriodCount, antiClickWavePos;
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signed short wave;
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bool volumeChanged;
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DivWaveSynth ws;
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Channel():
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SharedChannel<signed char>(31),
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antiClickPeriodCount(0),
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antiClickWavePos(0),
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wave(-1),
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volumeChanged(false) {}
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};
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Channel chan[3];
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DivDispatchOscBuffer* oscBuf[3];
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bool isMuted[3];
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struct QueuedWrite {
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unsigned short addr;
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unsigned char val;
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QueuedWrite(): addr(0), val(0) {}
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QueuedWrite(unsigned short a, unsigned char v): addr(a), val(v) {}
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};
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FixedQueue<QueuedWrite,128> writes;
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bool antiClickEnabled;
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struct sm8521_t sm8521;
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unsigned char regPool[256];
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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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int getOutputCount();
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bool keyOffAffectsArp(int ch);
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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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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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~DivPlatformSM8521();
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};
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#endif
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