106 lines
3.2 KiB
C++
106 lines
3.2 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 _NES_H
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#define _NES_H
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#include "../dispatch.h"
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#include "sound/nes_nsfplay/nes_apu.h"
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class DivPlatformNES: public DivDispatch {
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struct Channel: public SharedChannel<signed char> {
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int prevFreq;
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unsigned char duty, sweep, envMode, len;
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bool sweepChanged, furnaceDac;
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Channel():
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SharedChannel<signed char>(15),
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prevFreq(65535),
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duty(0),
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sweep(8),
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envMode(3),
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len(0x1f),
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sweepChanged(false),
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furnaceDac(false) {}
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};
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Channel chan[5];
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DivDispatchOscBuffer* oscBuf[5];
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bool isMuted[5];
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int dacPeriod, dacRate;
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unsigned int dacPos, dacAntiClick;
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int dacSample;
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unsigned char* dpcmMem;
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size_t dpcmMemLen;
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bool sampleLoaded[256];
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unsigned char dpcmBank;
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unsigned char sampleBank;
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unsigned char writeOscBuf;
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unsigned char apuType;
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bool dpcmMode;
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bool dacAntiClickOn;
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bool useNP;
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bool goingToLoop;
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bool countMode;
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struct NESAPU* nes;
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xgm::NES_APU* nes1_NP;
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xgm::NES_DMC* nes2_NP;
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unsigned char regPool[128];
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unsigned int sampleOffDPCM[256];
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friend void putDispatchChip(void*,int);
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friend void putDispatchChan(void*,int,int);
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void doWrite(unsigned short addr, unsigned char data);
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unsigned char calcDPCMRate(int inRate);
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void acquire_puNES(short** buf, size_t len);
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void acquire_NSFPlay(short** buf, size_t len);
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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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bool keyOffAffectsArp(int ch);
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float getPostAmp();
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unsigned char readDMC(unsigned short addr);
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void setNSFPlay(bool use);
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void setFlags(const DivConfig& flags);
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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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const void* getSampleMem(int index);
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size_t getSampleMemCapacity(int index);
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size_t getSampleMemUsage(int index);
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bool isSampleLoaded(int index, int sample);
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void renderSamples(int chipID);
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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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~DivPlatformNES();
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};
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#endif
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