cog/Frameworks/GME/gme/Kss_Emu.h

80 lines
1.8 KiB
C++

// MSX computer KSS music file emulator
// Game_Music_Emu $vers
#ifndef KSS_EMU_H
#define KSS_EMU_H
#include "Classic_Emu.h"
#include "Kss_Core.h"
#include "Kss_Scc_Apu.h"
#include "Sms_Apu.h"
#include "Ay_Apu.h"
#include "Opl_Apu.h"
class Kss_Emu : public Classic_Emu {
public:
// KSS file header (see Kss_Core.h)
typedef Kss_Core::header_t header_t;
// Header for currently loaded file
header_t const& header() const { return core.header(); }
blargg_err_t hash_( Hash_Function& ) const;
static gme_type_t static_type() { return gme_kss_type; }
// Implementation
public:
Kss_Emu();
~Kss_Emu();
protected:
virtual blargg_err_t track_info_( track_info_t*, int track ) const;
virtual blargg_err_t load_( Data_Reader& );
virtual blargg_err_t start_track_( int );
virtual blargg_err_t run_clocks( blip_time_t&, int );
virtual void set_tempo_( double );
virtual void set_voice( int, Blip_Buffer*, Blip_Buffer*, Blip_Buffer* );
virtual void update_eq( blip_eq_t const& );
virtual void unload();
private:
struct Core;
friend struct Core;
struct Core : Kss_Core {
Kss_Emu& emu;
// detection of tunes that use SCC so they can be made louder
bool scc_accessed;
enum { scc_enabled_true = 0xC000 };
unsigned scc_enabled; // 0 or 0xC000
int ay_latch;
struct {
Sms_Apu* psg;
Opl_Apu* fm;
} sms;
struct {
Ay_Apu* psg;
Scc_Apu* scc;
Opl_Apu* music;
Opl_Apu* audio;
} msx;
Core( Kss_Emu* e ) : emu( *e ) { }
virtual void cpu_write( addr_t, int );
virtual int cpu_in( time_t, addr_t );
virtual void cpu_out( time_t, addr_t, int );
virtual void update_gain();
void cpu_write_( addr_t addr, int data );
void update_gain_();
void unload();
} core;
};
#endif