diff options
Diffstat (limited to 'plugins/gme/game-music-emu-0.6pre/gme/Sms_Fm_Apu.h')
| -rw-r--r-- | plugins/gme/game-music-emu-0.6pre/gme/Sms_Fm_Apu.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/plugins/gme/game-music-emu-0.6pre/gme/Sms_Fm_Apu.h b/plugins/gme/game-music-emu-0.6pre/gme/Sms_Fm_Apu.h new file mode 100644 index 00000000..5fc2ea1e --- /dev/null +++ b/plugins/gme/game-music-emu-0.6pre/gme/Sms_Fm_Apu.h @@ -0,0 +1,47 @@ +#ifndef SMS_FM_APU_H
+#define SMS_FM_APU_H
+
+#include "Blip_Buffer.h"
+#include "Ym2413_Emu.h"
+
+class Sms_Fm_Apu {
+public:
+ static bool supported() { return Ym2413_Emu::supported(); }
+ blargg_err_t init( double clock_rate, double sample_rate );
+
+ void set_output( Blip_Buffer* b, Blip_Buffer* = NULL, Blip_Buffer* = NULL ) { output_ = b; }
+ void volume( double v ) { synth.volume( 0.4 / 4096 * v ); }
+ void treble_eq( blip_eq_t const& eq ) { synth.treble_eq( eq ); }
+
+ void reset();
+
+ void write_addr( int data ) { addr = data; }
+ void write_data( blip_time_t, int data );
+
+ void end_frame( blip_time_t t );
+
+// Implementation
+public:
+ Sms_Fm_Apu();
+ ~Sms_Fm_Apu();
+ BLARGG_DISABLE_NOTHROW
+ enum { osc_count = 1 };
+ void set_output( int i, Blip_Buffer* b, Blip_Buffer* = NULL, Blip_Buffer* = NULL ) { output_ = b; }
+
+private:
+ Blip_Buffer* output_;
+ blip_time_t next_time;
+ int last_amp;
+ int addr;
+
+ int clock_;
+ int rate_;
+ blip_time_t period_;
+
+ Blip_Synth_Norm synth;
+ Ym2413_Emu apu;
+
+ void run_until( blip_time_t );
+};
+
+#endif
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