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#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
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