furnace/src/engine/platform/n163.h

102 lines
3.1 KiB
C++

/**
* Furnace Tracker - multi-system chiptune tracker
* 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 _N163_H
#define _N163_H
#include "../dispatch.h"
#include "../fixedQueue.h"
#include "../waveSynth.h"
#include "vgsound_emu/src/n163/n163.hpp"
class DivPlatformN163: public DivDispatch {
struct Channel: public SharedChannel<signed char> {
signed char resVol;
short wave, wavePos, waveLen;
unsigned char waveMode;
short loadWave, loadPos, loadLen;
unsigned char loadMode;
bool volumeChanged;
bool waveChanged, waveUpdated;
DivWaveSynth ws;
Channel():
SharedChannel<signed char>(15),
resVol(15),
wave(-1),
wavePos(0),
waveLen(0),
waveMode(0),
loadWave(-1),
loadPos(0),
loadLen(0),
loadMode(0),
volumeChanged(false),
waveChanged(false),
waveUpdated(false) {}
};
Channel chan[8];
DivDispatchOscBuffer* oscBuf[8];
bool isMuted[8];
struct QueuedWrite {
unsigned char addr;
unsigned char val;
unsigned char mask;
QueuedWrite(): addr(0), val(0), mask(~0) {}
QueuedWrite(unsigned char a, unsigned char v, unsigned char m=~0): addr(a), val(v), mask(m) {}
};
FixedQueue<QueuedWrite,2048> writes;
unsigned char initChanMax;
unsigned char chanMax;
short loadWave, loadPos, loadLen;
unsigned char loadMode;
bool multiplex;
n163_core n163;
unsigned char regPool[128];
void updateWave(int ch, int wave, int pos, int len);
void updateWaveCh(int ch);
friend void putDispatchChip(void*,int);
friend void putDispatchChan(void*,int,int);
public:
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);
void setFlags(const DivConfig& flags);
void notifyWaveChange(int wave);
void notifyInsChange(int ins);
void notifyInsDeletion(void* ins);
void poke(unsigned int addr, unsigned short val);
void poke(std::vector<DivRegWrite>& wlist);
const char** getRegisterSheet();
int init(DivEngine* parent, int channels, int sugRate, const DivConfig& flags);
void quit();
~DivPlatformN163();
};
#endif