166 lines
4.6 KiB
C++
166 lines
4.6 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 _X1_010_H
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#define _X1_010_H
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#include "../dispatch.h"
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#include "../engine.h"
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#include "../waveSynth.h"
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#include "vgsound_emu/src/x1_010/x1_010.hpp"
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class DivPlatformX1_010: public DivDispatch, public vgsound_emu_mem_intf {
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struct Channel: public SharedChannel<int> {
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struct Envelope {
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struct EnvFlag {
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unsigned char envEnable : 1;
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unsigned char envOneshot : 1;
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unsigned char envSplit : 1;
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unsigned char envHinvR : 1;
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unsigned char envVinvR : 1;
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unsigned char envHinvL : 1;
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unsigned char envVinvL : 1;
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void reset() {
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envEnable=0;
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envOneshot=0;
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envSplit=0;
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envHinvR=0;
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envVinvR=0;
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envHinvL=0;
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envVinvL=0;
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}
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EnvFlag():
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envEnable(0),
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envOneshot(0),
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envSplit(0),
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envHinvR(0),
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envVinvR(0),
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envHinvL(0),
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envVinvL(0) {}
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};
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int shape, period, slide, slidefrac;
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EnvFlag flag;
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void reset() {
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shape=-1;
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period=0;
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flag.reset();
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}
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Envelope():
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shape(-1),
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period(0),
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slide(0),
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slidefrac(0) {}
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};
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int fixedFreq;
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int wave, sample;
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unsigned char pan, autoEnvNum, autoEnvDen;
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bool envChanged, furnacePCM, pcm;
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int lvol, rvol;
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int macroVolMul;
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unsigned char waveBank;
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unsigned int bankSlot;
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Envelope env;
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DivWaveSynth ws;
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void reset() {
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freq=baseFreq=pitch=pitch2=note=0;
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wave=sample=ins=-1;
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pan=255;
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autoEnvNum=autoEnvDen=0;
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active=false;
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insChanged=envChanged=freqChanged=true;
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keyOn=keyOff=inPorta=furnacePCM=pcm=false;
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vol=outVol=lvol=rvol=15;
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waveBank=0;
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}
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Channel():
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SharedChannel<int>(15),
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fixedFreq(0),
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wave(-1),
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sample(-1),
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pan(255),
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autoEnvNum(0),
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autoEnvDen(0),
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envChanged(true),
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furnacePCM(false),
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pcm(false),
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lvol(15),
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rvol(15),
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macroVolMul(15),
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waveBank(0),
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bankSlot(0) {}
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};
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Channel chan[16];
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DivDispatchOscBuffer* oscBuf[16];
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bool isMuted[16];
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bool stereo=false;
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unsigned char* sampleMem;
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size_t sampleMemLen;
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unsigned char sampleBank;
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x1_010_core x1_010;
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bool isBanked=false;
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unsigned int bankSlot[8];
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unsigned int sampleOffX1[256];
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bool sampleLoaded[256];
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unsigned char regPool[0x2000];
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double NoteX1_010(int ch, int note);
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void updateWave(int ch);
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void updateEnvelope(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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u8 read_byte(u32 address);
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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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float getPostAmp();
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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 void* getSampleMem(int index = 0);
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size_t getSampleMemCapacity(int index = 0);
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size_t getSampleMemUsage(int index = 0);
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bool isSampleLoaded(int index, int sample);
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void renderSamples(int chipID);
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const char** getRegisterSheet();
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void setBanked(bool banked);
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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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DivPlatformX1_010():
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DivDispatch(),
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vgsound_emu_mem_intf(),
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x1_010(*this) {}
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~DivPlatformX1_010();
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};
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#endif
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