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// Private oscillators used by Sms_Apu
// Sms_Snd_Emu 0.1.4
#ifndef SMS_OSCS_H
#define SMS_OSCS_H
#include "blargg_common.h"
#include "Blip_Buffer.h"
struct Sms_Osc
{
Blip_Buffer* outputs [4]; // NULL, right, left, center
Blip_Buffer* output;
int output_select;
int delay;
int last_amp;
int volume;
Sms_Osc();
void reset();
};
struct Sms_Square : Sms_Osc
{
int period;
int phase;
typedef Blip_Synth<blip_good_quality,1> Synth;
const Synth* synth;
void reset();
void run( blip_time_t, blip_time_t );
};
struct Sms_Noise : Sms_Osc
{
const int* period;
unsigned shifter;
unsigned feedback;
typedef Blip_Synth<blip_med_quality,1> Synth;
Synth synth;
void reset();
void run( blip_time_t, blip_time_t );
};
#endif
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