furnace/src/engine/platform/x1_010.h

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/**
* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2023 tildearrow and contributors
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _X1_010_H
#define _X1_010_H
#include "../dispatch.h"
#include "../engine.h"
#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 {
struct Channel: public SharedChannel<int> {
struct Envelope {
struct EnvFlag {
unsigned char envEnable : 1;
unsigned char envOneshot : 1;
unsigned char envSplit : 1;
unsigned char envHinvR : 1;
unsigned char envVinvR : 1;
unsigned char envHinvL : 1;
unsigned char envVinvL : 1;
void reset() {
envEnable=0;
envOneshot=0;
envSplit=0;
envHinvR=0;
envVinvR=0;
envHinvL=0;
envVinvL=0;
}
EnvFlag():
envEnable(0),
envOneshot(0),
envSplit(0),
envHinvR(0),
envVinvR(0),
envHinvL(0),
envVinvL(0) {}
};
int shape, period, slide, slidefrac;
EnvFlag flag;
void reset() {
shape=-1;
period=0;
flag.reset();
}
Envelope():
shape(-1),
period(0),
slide(0),
slidefrac(0) {}
};
int fixedFreq;
int wave, sample;
unsigned char pan, autoEnvNum, autoEnvDen;
bool envChanged, furnacePCM, pcm;
int lvol, rvol;
int macroVolMul;
unsigned char waveBank;
unsigned int bankSlot;
Envelope env;
DivWaveSynth ws;
void reset() {
freq=baseFreq=pitch=pitch2=note=0;
wave=sample=ins=-1;
pan=255;
autoEnvNum=autoEnvDen=0;
active=false;
insChanged=envChanged=freqChanged=true;
keyOn=keyOff=inPorta=furnacePCM=pcm=false;
vol=outVol=lvol=rvol=15;
waveBank=0;
}
Channel():
SharedChannel<int>(15),
fixedFreq(0),
wave(-1),
sample(-1),
pan(255),
autoEnvNum(0),
autoEnvDen(0),
envChanged(true),
furnacePCM(false),
pcm(false),
lvol(15),
rvol(15),
macroVolMul(15),
waveBank(0),
bankSlot(0) {}
};
Channel chan[16];
DivDispatchOscBuffer* oscBuf[16];
bool isMuted[16];
bool stereo=false;
unsigned char* sampleMem;
size_t sampleMemLen;
unsigned char sampleBank;
x1_010_core x1_010;
bool isBanked=false;
unsigned int bankSlot[8];
unsigned int sampleOffX1[256];
bool sampleLoaded[256];
unsigned char regPool[0x2000];
double NoteX1_010(int ch, int note);
void updateWave(int ch);
void updateEnvelope(int ch);
friend void putDispatchChip(void*,int);
friend void putDispatchChan(void*,int,int);
public:
u8 read_byte(u32 address);
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void acquire(short** buf, size_t len);
int dispatch(DivCommand c);
void* getChanState(int chan);
DivMacroInt* getChanMacroInt(int ch);
DivDispatchOscBuffer* getOscBuffer(int chan);
unsigned char* getRegisterPool();
int getRegisterPoolSize();
void reset();
void forceIns();
void tick(bool sysTick=true);
void muteChannel(int ch, bool mute);
int getOutputCount();
bool keyOffAffectsArp(int ch);
float getPostAmp();
void setFlags(const DivConfig& flags);
void notifyWaveChange(int wave);
void notifyInsDeletion(void* ins);
void poke(unsigned int addr, unsigned short val);
void poke(std::vector<DivRegWrite>& wlist);
const void* getSampleMem(int index = 0);
size_t getSampleMemCapacity(int index = 0);
size_t getSampleMemUsage(int index = 0);
bool isSampleLoaded(int index, int sample);
void renderSamples(int chipID);
const char** getRegisterSheet();
void setBanked(bool banked);
int init(DivEngine* parent, int channels, int sugRate, const DivConfig& flags);
void quit();
DivPlatformX1_010():
DivDispatch(),
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vgsound_emu_mem_intf(),
x1_010(*this) {}
~DivPlatformX1_010();
};
#endif