123 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			123 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /**
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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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| 
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| #ifndef _OPLL_H
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| #define _OPLL_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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| 
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| extern "C" {
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| #include "../../../extern/Nuked-OPLL/opll.h"
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| }
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| 
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| class DivPlatformOPLL: public DivDispatch {
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|   protected:
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|     struct Channel {
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|       DivInstrumentFM state;
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|       DivMacroInt std;
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|       unsigned char freqH, freqL;
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|       int freq, baseFreq, pitch, note;
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|       unsigned char ins;
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|       bool active, insChanged, freqChanged, keyOn, keyOff, portaPause, furnaceDac, inPorta;
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|       int vol, outVol;
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|       unsigned char pan;
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|       Channel():
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|         freqH(0),
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|         freqL(0),
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|         freq(0),
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|         baseFreq(0),
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|         pitch(0),
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|         note(0),
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|         ins(-1),
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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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|         portaPause(false),
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|         furnaceDac(false),
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|         inPorta(false),
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|         vol(0),
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|         pan(3) {}
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|     };
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|     Channel chan[11];
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|     bool isMuted[11];
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|     struct QueuedWrite {
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|       unsigned short addr;
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|       unsigned char val;
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|       bool addrOrVal;
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|       QueuedWrite(unsigned short a, unsigned char v): addr(a), val(v), addrOrVal(false) {}
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|     };
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|     std::queue<QueuedWrite> writes;
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|     opll_t fm;
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|     int delay, lastCustomMemory;
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|     unsigned char lastBusy;
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|     unsigned char drumState;
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|     unsigned char drumVol[5];
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| 
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|     unsigned char regPool[256];
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| 
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|     bool useYMFM;
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|     bool drums;
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|     bool properDrums, properDrumsSys;
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|     bool vrc7;
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| 
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|     unsigned char patchSet;
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|   
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|     short oldWrites[256];
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|     short pendingWrites[256];
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| 
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|     int octave(int freq);
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|     int toFreq(int freq);
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| 
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|     friend void putDispatchChan(void*,int,int);
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| 
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|     void acquire_nuked(short* bufL, short* bufR, size_t start, size_t len);
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|     void acquire_ymfm(short* bufL, short* bufR, size_t start, size_t len);
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|   
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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(bool sysTick=true);
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|     void muteChannel(int ch, bool mute);
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|     void setYMFM(bool use);
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|     bool keyOffAffectsArp(int ch);
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|     bool keyOffAffectsPorta(int ch);
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|     void toggleRegisterDump(bool enable);
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|     void setVRC7(bool vrc);
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|     void setProperDrums(bool pd);
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|     void setFlags(unsigned int flags);
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|     void notifyInsChange(int ins);
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|     void notifyInsDeletion(void* ins);
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|     int getPortaFloor(int ch);
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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* getEffectName(unsigned char effect);
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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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|     ~DivPlatformOPLL();
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| };
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| #endif
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