furnace/src/engine/platform/pce.h

76 lines
1.7 KiB
C++

#ifndef _PCE_H
#define _PCE_H
#include "../dispatch.h"
#include <queue>
#include "../macroInt.h"
#include "sound/pce_psg.h"
class DivPlatformPCE: public DivDispatch {
struct Channel {
int freq, baseFreq, pitch, note;
int dacPeriod, dacRate;
unsigned int dacPos;
int dacSample;
unsigned char ins, pan;
bool active, insChanged, freqChanged, keyOn, keyOff, inPorta, noise, pcm, furnaceDac;
signed char vol, outVol, wave;
DivMacroInt std;
Channel():
freq(0),
baseFreq(0),
pitch(0),
note(0),
dacPeriod(0),
dacRate(0),
dacPos(0),
dacSample(-1),
ins(-1),
pan(255),
active(false),
insChanged(true),
freqChanged(false),
keyOn(false),
keyOff(false),
inPorta(false),
noise(false),
pcm(false),
furnaceDac(false),
vol(31),
outVol(31),
wave(-1) {}
};
Channel chan[6];
bool isMuted[6];
struct QueuedWrite {
unsigned char addr;
unsigned char val;
QueuedWrite(unsigned char a, unsigned char v): addr(a), val(v) {}
};
std::queue<QueuedWrite> writes;
unsigned char lastPan;
int cycles, curChan, delay;
int tempL[32];
int tempR[32];
unsigned char sampleBank;
PCE_PSG* pce;
void updateWave(int ch);
public:
void acquire(short* bufL, short* bufR, size_t start, size_t len);
int dispatch(DivCommand c);
void reset();
void forceIns();
void tick();
void muteChannel(int ch, bool mute);
bool isStereo();
bool keyOffAffectsArp(int ch);
void setPAL(bool pal);
void notifyWaveChange(int wave);
void notifyInsDeletion(void* ins);
int init(DivEngine* parent, int channels, int sugRate, bool pal);
void quit();
~DivPlatformPCE();
};
#endif