111 lines
3.1 KiB
C++
111 lines
3.1 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 _POWERNOISE_H
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#define _POWERNOISE_H
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#include "../dispatch.h"
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#include "../../../extern/pwrnoise/pwrnoise.h"
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class DivPlatformPowerNoise: public DivDispatch {
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struct SlopePortion {
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unsigned char len, offset;
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bool clip, reset, dir;
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SlopePortion(unsigned char l, unsigned char o, bool c, bool r, bool d):
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len(l),
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offset(o),
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clip(c),
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reset(r),
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dir(d) {}
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SlopePortion():
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len(0),
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offset(0),
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clip(false),
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reset(false),
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dir(false) {}
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};
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struct Channel: public SharedChannel<signed char> {
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int fNum;
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unsigned short initLFSR;
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unsigned char octave, pan, tapA, tapB, octaveOff;
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bool slope, am, tapBEnable, keyOn, keyOff;
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SlopePortion slopeA, slopeB;
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Channel():
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SharedChannel<signed char>(15),
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fNum(0),
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initLFSR(0x5555),
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octave(0),
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pan(255),
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tapA(1),
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tapB(2),
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octaveOff(0),
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slope(false),
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am(false),
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tapBEnable(false),
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keyOn(false),
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keyOff(false),
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slopeA(255,1,false,false,false),
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slopeB() {}
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};
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Channel chan[4];
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DivDispatchOscBuffer* oscBuf[4];
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bool isMuted[4];
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unsigned char regPool[32];
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int coreQuality;
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power_noise_t pn;
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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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unsigned short getPan(int chan);
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DivChannelModeHints getModeHints(int chan);
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bool getDCOffRequired();
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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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void setCoreQuality(unsigned char q);
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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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~DivPlatformPowerNoise();
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};
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#endif
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