133 lines
4.0 KiB
C++
133 lines
4.0 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 _SU_H
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#define _SU_H
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#include "../dispatch.h"
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#include "../fixedQueue.h"
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#include "sound/su.h"
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class DivPlatformSoundUnit: public DivDispatch {
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struct Channel: public SharedChannel<signed char> {
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int cutoff, baseCutoff, res, control, hasOffset, sample;
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signed char pan;
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unsigned char duty;
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bool noise, pcm, phaseReset, filterPhaseReset, switchRoles;
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bool pcmLoop, timerSync, freqSweep, volSweep, cutSweep;
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unsigned short freqSweepP, volSweepP, cutSweepP;
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unsigned char freqSweepB, volSweepB, cutSweepB;
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unsigned char freqSweepV, volSweepV, cutSweepV;
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unsigned short syncTimer;
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signed short wave;
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Channel():
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SharedChannel<signed char>(127),
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cutoff(16383),
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baseCutoff(16380),
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res(0),
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control(0),
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hasOffset(0),
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sample(-1),
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pan(0),
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duty(63),
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noise(false),
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pcm(false),
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phaseReset(false),
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filterPhaseReset(false),
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switchRoles(false),
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pcmLoop(false),
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timerSync(false),
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freqSweep(false),
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volSweep(false),
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cutSweep(false),
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freqSweepP(0),
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volSweepP(0),
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cutSweepP(0),
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freqSweepB(0),
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volSweepB(0),
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cutSweepB(0),
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freqSweepV(0),
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volSweepV(0),
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cutSweepV(0),
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syncTimer(0),
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wave(0) {}
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};
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Channel chan[8];
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DivDispatchOscBuffer* oscBuf[8];
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bool isMuted[8];
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struct QueuedWrite {
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unsigned char addr;
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unsigned char val;
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QueuedWrite(): addr(0), val(0) {}
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QueuedWrite(unsigned char a, unsigned char v): addr(a), val(v) {}
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};
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FixedQueue<QueuedWrite,512> writes;
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unsigned char lastPan;
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bool sampleMemSize;
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unsigned char ilCtrl, ilSize, fil1;
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unsigned char initIlCtrl, initIlSize, initFil1;
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signed char echoVol, initEchoVol;
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unsigned int sampleOffSU[256];
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bool sampleLoaded[256];
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int cycles, curChan, delay, sysIDCache;
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short tempL;
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short tempR;
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unsigned char sampleBank, lfoMode, lfoSpeed;
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SoundUnit* su;
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unsigned char* sampleMem;
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size_t sampleMemLen;
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unsigned char regPool[128];
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double NOTE_SU(int ch, int note);
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void writeControl(int ch);
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void writeControlUpper(int ch);
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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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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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const void* getSampleMem(int index);
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size_t getSampleMemCapacity(int index);
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size_t getSampleMemUsage(int index);
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bool isSampleLoaded(int index, int sample);
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void renderSamples(int chipID);
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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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~DivPlatformSoundUnit();
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};
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#endif
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