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https://github.com/tildearrow/furnace.git
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137 lines
4 KiB
C++
137 lines
4 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 _GENESIS_H
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#define _GENESIS_H
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#include "fmshared_OPN.h"
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#include "sound/ymfm/ymfm_opn.h"
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class DivYM2612Interface: public ymfm::ymfm_interface {
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int setA, setB;
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int countA, countB;
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public:
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void clock();
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void ymfm_set_timer(uint32_t tnum, int32_t duration_in_clocks);
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DivYM2612Interface():
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ymfm::ymfm_interface(),
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countA(0),
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countB(0) {}
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};
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class DivPlatformGenesis: public DivPlatformOPN {
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protected:
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const unsigned short chanOffs[6]={
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0x00, 0x01, 0x02, 0x100, 0x101, 0x102
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};
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const unsigned char konOffs[6]={
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0, 1, 2, 4, 5, 6
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};
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struct Channel: public FMChannelStereo {
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bool furnaceDac;
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bool dacMode;
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int dacPeriod;
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int dacRate;
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unsigned int dacPos;
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int dacSample;
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int dacDelay;
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bool dacDirection;
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bool setPos;
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unsigned char sampleBank;
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signed char dacOutput;
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Channel():
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FMChannelStereo(),
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furnaceDac(false),
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dacMode(false),
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dacPeriod(0),
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dacRate(0),
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dacPos(0),
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dacSample(-1),
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dacDelay(0),
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dacDirection(false),
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setPos(false),
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sampleBank(0),
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dacOutput(0) {}
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};
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Channel chan[10];
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DivDispatchOscBuffer* oscBuf[10];
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bool isMuted[10];
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ym3438_t fm;
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ymfm::ym2612* fm_ymfm;
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ymfm::ym2612::output_data out_ymfm;
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DivYM2612Interface iface;
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int softPCMTimer;
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bool extMode, softPCM, noExtMacros, useYMFM, canWriteDAC;
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unsigned char chipType;
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short dacWrite;
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unsigned char dacVolTable[128];
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friend void putDispatchChip(void*,int);
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friend void putDispatchChan(void*,int,int);
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inline void processDAC(int iRate);
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inline void commitState(int ch, DivInstrument* ins);
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void acquire_nuked(short** buf, size_t len);
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void acquire_ymfm(short** buf, size_t len);
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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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void fillStream(std::vector<DivDelayedWrite>& stream, int sRate, 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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virtual unsigned short getPan(int chan);
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DivSamplePos getSamplePos(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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void setYMFM(bool use);
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bool keyOffAffectsArp(int ch);
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bool keyOffAffectsPorta(int ch);
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float getPostAmp();
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void toggleRegisterDump(bool enable);
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void setFlags(const DivConfig& flags);
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void notifyInsChange(int ins);
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virtual void notifyInsDeletion(void* ins);
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void setSoftPCM(bool value);
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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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int init(DivEngine* parent, int channels, int sugRate, const DivConfig& flags);
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void quit();
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DivPlatformGenesis():
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DivPlatformOPN(2, 6, 6, 6, 6, 9440540.0, 72, 32, false, 7) {}
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~DivPlatformGenesis();
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};
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#endif
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