furnace/src/engine/platform/amiga.h

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2022-01-15 15:50:53 -05:00
#ifndef _PCE_H
#define _PCE_H
#include "../dispatch.h"
#include <queue>
#include "../macroInt.h"
class DivPlatformAmiga: public DivDispatch {
struct Channel {
int freq, baseFreq, pitch;
unsigned int audLoc;
unsigned short audLen;
unsigned int audPos;
signed char audDat;
int sample;
unsigned char ins, note;
bool active, insChanged, freqChanged, keyOn, keyOff, inPorta;
signed char vol, outVol;
DivMacroInt std;
Channel():
freq(0),
baseFreq(0),
pitch(0),
audLoc(0),
audLen(0),
audPos(0),
audDat(0),
sample(-1),
ins(-1),
note(0),
active(false),
insChanged(true),
freqChanged(false),
keyOn(false),
keyOff(false),
inPorta(false),
vol(64),
outVol(64) {}
};
Channel chan[4];
bool isMuted[4];
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 notifyInsDeletion(void* ins);
int init(DivEngine* parent, int channels, int sugRate, bool pal);
void quit();
};
#endif