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