96 lines
2.7 KiB
C++
96 lines
2.7 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 _LYNX_H
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#define _LYNX_H
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#include "../dispatch.h"
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#include "sound/lynx/Mikey.hpp"
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class DivPlatformLynx: public DivDispatch {
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struct MikeyFreqDiv {
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unsigned char clockDivider;
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unsigned char backup;
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MikeyFreqDiv(int frequency);
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};
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struct MikeyDuty {
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unsigned char int_feedback7;
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unsigned char feedback;
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MikeyDuty(int duty);
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};
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struct Channel: public SharedChannel<signed char> {
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MikeyFreqDiv fd;
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MikeyDuty duty;
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int actualNote, lfsr, sample, samplePos, sampleAccum, sampleBaseFreq, sampleFreq;
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unsigned char pan;
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bool pcm;
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int macroVolMul;
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Channel():
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SharedChannel<signed char>(127),
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fd(0),
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duty(0),
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actualNote(0),
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lfsr(-1),
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sample(-1),
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samplePos(0),
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sampleAccum(0),
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sampleBaseFreq(0),
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sampleFreq(0),
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pan(0xff),
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pcm(false),
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macroVolMul(127) {}
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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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std::unique_ptr<Lynx::Mikey> mikey;
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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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int getOutputCount();
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bool keyOffAffectsArp(int ch);
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bool keyOffAffectsPorta(int ch);
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//int getPortaFloor(int ch);
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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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~DivPlatformLynx();
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};
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#endif
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