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