78 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			78 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/**
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 * Furnace Tracker - multi-system chiptune tracker
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 * Copyright (C) 2021-2024 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 _MMC5_H
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#define _MMC5_H
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#include "../dispatch.h"
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class DivPlatformMMC5: 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;
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    bool sweepChanged, furnaceDac, setPos;
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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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      sweepChanged(false),
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      furnaceDac(false),
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      setPos(false) {}
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  };
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  Channel chan[5];
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  DivDispatchOscBuffer* oscBuf[3];
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  bool isMuted[5];
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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 sampleBank;
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  unsigned char writeOscBuf;
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  struct _mmc5* mmc5;
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  unsigned char regPool[128];
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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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    bool keyOffAffectsArp(int ch);
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    float getPostAmp();
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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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    int init(DivEngine* parent, int channels, int sugRate, const DivConfig& flags);
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    void quit();
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    ~DivPlatformMMC5();
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};
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#endif
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