furnace/src/engine/platform/sms.h
tildearrow 6a02754996 add PAL flag to dispatch
now platforms run at their correct clock speed when in PAL mode

also fix clipping in Genesis
2021-12-08 01:56:40 -05:00

43 lines
943 B
C++

#ifndef _SMS_H
#define _SMS_H
#include "../dispatch.h"
#include "../macroInt.h"
#include "sound/sn76496.h"
class DivPlatformSMS: public DivDispatch {
struct Channel {
int freq, baseFreq, pitch;
unsigned char ins, note;
bool active, insChanged, freqChanged, keyOn, keyOff;
signed char vol, outVol;
DivMacroInt std;
Channel():
freq(0),
baseFreq(0),
pitch(0),
ins(-1),
note(0),
active(false),
insChanged(true),
freqChanged(false),
keyOn(false),
keyOff(false),
vol(15),
outVol(15) {}
};
Channel chan[4];
unsigned char snNoiseMode;
bool updateSNMode;
sn76496_device* sn;
public:
int acquireOne();
void acquire(short* bufL, short* bufR, size_t start, size_t len);
int dispatch(DivCommand c);
void tick();
bool keyOffAffectsArp(int ch);
int init(DivEngine* parent, int channels, int sugRate, bool pal);
};
#endif