1 files changed, 96 insertions, 0 deletions
diff --git a/plugins/gme/game-music-emu-0.6.0/gme/Kss_Emu.h b/plugins/gme/game-music-emu-0.6.0/gme/Kss_Emu.h
new file mode 100644
index 00000000..1d6ae475
--- /dev/null
+++ b/plugins/gme/game-music-emu-0.6.0/gme/Kss_Emu.h
@@ -0,0 +1,96 @@
+// MSX computer KSS music file emulator
+
+// Game_Music_Emu 0.5.5
+#ifndef KSS_EMU_H
+#define KSS_EMU_H
+
+#include "Classic_Emu.h"
+#include "Kss_Scc_Apu.h"
+#include "Kss_Cpu.h"
+#include "Sms_Apu.h"
+#include "Ay_Apu.h"
+
+class Kss_Emu : private Kss_Cpu, public Classic_Emu {
+	typedef Kss_Cpu cpu;
+public:
+	// KSS file header
+	enum { header_size = 0x10 };
+	struct header_t
+	{
+		byte tag [4];
+		byte load_addr [2];
+		byte load_size [2];
+		byte init_addr [2];
+		byte play_addr [2];
+		byte first_bank;
+		byte bank_mode;
+		byte extra_header;
+		byte device_flags;
+	};
+	
+	enum { ext_header_size = 0x10 };
+	struct ext_header_t
+	{
+		byte data_size [4];
+		byte unused [4];
+		byte first_track [2];
+		byte last_tack [2];
+		byte psg_vol;
+		byte scc_vol;
+		byte msx_music_vol;
+		byte msx_audio_vol;
+	};
+	
+	struct composite_header_t : header_t, ext_header_t { };
+	
+	// Header for currently loaded file
+	composite_header_t const& header() const { return header_; }
+	
+	static gme_type_t static_type() { return gme_kss_type; }
+public:
+	Kss_Emu();
+	~Kss_Emu();
+protected:
+	blargg_err_t track_info_( track_info_t*, int track ) const;
+	blargg_err_t load_( Data_Reader& );
+	blargg_err_t start_track_( int );
+	blargg_err_t run_clocks( blip_time_t&, int );
+	void set_tempo_( double );
+	void set_voice( int, Blip_Buffer*, Blip_Buffer*, Blip_Buffer* );
+	void update_eq( blip_eq_t const& );
+	void unload();
+private:
+	Rom_Data<page_size> rom;
+	composite_header_t header_;
+	
+	bool scc_accessed;
+	bool gain_updated;
+	void update_gain();
+	
+	unsigned scc_enabled; // 0 or 0xC000
+	byte const* bank_data;
+	int bank_count;
+	void set_bank( int logical, int physical );
+	blargg_long bank_size() const { return (16 * 1024L) >> (header_.bank_mode >> 7 & 1); }
+	
+	blip_time_t play_period;
+	blip_time_t next_play;
+	int ay_latch;
+	
+	friend void kss_cpu_out( class Kss_Cpu*, cpu_time_t, unsigned addr, int data );
+	friend int  kss_cpu_in( class Kss_Cpu*, cpu_time_t, unsigned addr );
+	void cpu_write( unsigned addr, int data );
+	friend void kss_cpu_write( class Kss_Cpu*, unsigned addr, int data );
+	
+	// large items
+	enum { mem_size = 0x10000 };
+	byte ram [mem_size + cpu_padding];
+	
+	Ay_Apu ay;
+	Scc_Apu scc;
+	Sms_Apu* sn;
+	byte unmapped_read  [0x100];
+	byte unmapped_write [page_size];
+};
+
+#endif