13cbade08a
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30397 a1c6a512-1295-4272-9138-f99709370657
43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
#ifndef SMS_FM_APU_H
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#define SMS_FM_APU_H
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#include "blargg_common.h"
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#include "blip_buffer.h"
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#include "ym2413_emu.h"
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enum { fm_apu_osc_count = 1 };
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struct Sms_Fm_Apu {
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struct 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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struct Blip_Synth synth;
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struct Ym2413_Emu apu;
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};
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void Fm_apu_create( struct Sms_Fm_Apu* this );
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static inline bool Fm_apu_supported( void ) { return Ym2413_supported(); }
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blargg_err_t Fm_apu_init( struct Sms_Fm_Apu* this, int clock_rate, int sample_rate );
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static inline void Fm_apu_set_output( struct Sms_Fm_Apu* this, struct Blip_Buffer* b )
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{
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this->output_ = b;
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}
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static inline void Fm_apu_volume( struct Sms_Fm_Apu* this, int v ) { Synth_volume( &this->synth, (v*2) / 5 / 4096 ); }
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void Fm_apu_reset( struct Sms_Fm_Apu* this );
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static inline void Fm_apu_write_addr( struct Sms_Fm_Apu* this, int data ) { this->addr = data; }
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void Fm_apu_write_data( struct Sms_Fm_Apu* this, blip_time_t, int data );
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void Fm_apu_end_frame( struct Sms_Fm_Apu* this, blip_time_t t );
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#endif
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