1 files changed, 63 insertions, 0 deletions
diff --git a/plugins/gme/game-music-emu-0.6pre/gme/Opl_Apu.h b/plugins/gme/game-music-emu-0.6pre/gme/Opl_Apu.h
new file mode 100644
index 00000000..86d73d74
--- /dev/null
+++ b/plugins/gme/game-music-emu-0.6pre/gme/Opl_Apu.h
@@ -0,0 +1,63 @@
+#ifndef OPL_APU_H
+#define OPL_APU_H
+
+#include "blargg_common.h"
+#include "Blip_Buffer.h"
+
+#include <stdio.h>
+
+class Opl_Apu {
+public:
+	Opl_Apu();
+	~Opl_Apu();
+	
+	enum type_t { type_opll = 0x10, type_msxmusic = 0x11, type_smsfmunit = 0x12,
+			type_vrc7 = 0x13, type_opl = 0x20, type_msxaudio = 0x21, type_opl2 = 0x22 };
+	blargg_err_t init( long clock, long rate, blip_time_t period, type_t );
+	
+	void reset();
+	void volume( double v ) { synth.volume( 1.0 / (4096 * 6) * v ); }
+	void treble_eq( blip_eq_t const& eq ) { synth.treble_eq( eq ); }
+	enum { osc_count = 1 };
+	void osc_output( int index, Blip_Buffer* );
+	void set_output( int i, Blip_Buffer* buf, Blip_Buffer* = NULL, Blip_Buffer* = NULL ) { osc_output( 0, buf ); }
+	void end_frame( blip_time_t );
+	
+	void write_addr( int data ) { addr = data; }
+	void write_data( blip_time_t, int data );
+
+	int read( blip_time_t, int port );
+	
+	static bool supported() { return true; }
+
+private:
+	// noncopyable
+	Opl_Apu( const Opl_Apu& );
+	Opl_Apu& operator = ( const Opl_Apu& );
+
+	Blip_Buffer* output_;
+	type_t type_;
+	void* opl;
+	void* opl_memory;
+	//FILE* logfile;
+	unsigned char regs[ 0x100 ];
+	blip_time_t next_time;
+	int last_amp;
+	int addr;
+	
+	long clock_;
+	long rate_;
+	blip_time_t period_;
+	
+	Blip_Synth_Fast synth;
+	
+	void run_until( blip_time_t );
+};
+
+inline void Opl_Apu::osc_output( int i, Blip_Buffer* buf )
+{
+	assert( (unsigned) i < osc_count );
+	output_ = buf;
+}
+
+#endif