48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
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#ifndef SMS_FM_APU_H
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#define SMS_FM_APU_H
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#include "Blip_Buffer.h"
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#include "Ym2413_Emu.h"
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class Sms_Fm_Apu {
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public:
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static bool supported() { return Ym2413_Emu::supported(); }
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blargg_err_t init( double clock_rate, double sample_rate );
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void set_output( Blip_Buffer* b, Blip_Buffer* = NULL, Blip_Buffer* = NULL ) { output_ = b; }
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void volume( double v ) { synth.volume( 0.4 / 4096 * v ); }
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void treble_eq( blip_eq_t const& eq ) { synth.treble_eq( eq ); }
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void reset();
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void write_addr( int data ) { addr = data; }
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void write_data( blip_time_t, int data );
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void end_frame( blip_time_t t );
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// Implementation
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public:
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Sms_Fm_Apu();
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~Sms_Fm_Apu();
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BLARGG_DISABLE_NOTHROW
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enum { osc_count = 1 };
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void set_output( int i, Blip_Buffer* b, Blip_Buffer* = NULL, Blip_Buffer* = NULL ) { output_ = b; }
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private:
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Blip_Buffer* output_;
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blip_time_t next_time;
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int last_amp;
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int addr;
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int clock_;
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int rate_;
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blip_time_t period_;
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Blip_Synth_Norm synth;
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Ym2413_Emu apu;
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void run_until( blip_time_t );
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};
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#endif
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