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// Loads NSF file and emulates CPU and sound chips
// Game_Music_Emu 0.6-pre
#ifndef NSF_CORE_H
#define NSF_CORE_H
#include "Nsf_Impl.h"
class Nes_Namco_Apu;
class Nes_Vrc6_Apu;
class Nes_Fme7_Apu;
class Nes_Mmc5_Apu;
class Nes_Vrc7_Apu;
class Nes_Fds_Apu;
class Nsf_Core : public Nsf_Impl {
public:
// Adjusts music tempo, where 1.0 is normal. Can be changed while playing.
// Loading a file resets tempo to 1.0.
void set_tempo( double );
// Pointer to sound chip, or NULL if not used by current file.
// Must be assigned to a Blip_Buffer to get any sound.
Nes_Fds_Apu * fds_apu () { return fds; }
Nes_Fme7_Apu * fme7_apu () { return fme7; }
Nes_Mmc5_Apu * mmc5_apu () { return mmc5; }
Nes_Namco_Apu* namco_apu() { return namco; }
Nes_Vrc6_Apu * vrc6_apu () { return vrc6; }
Nes_Vrc7_Apu * vrc7_apu () { return vrc7; }
// Mask for which chips are supported
#if NSF_EMU_APU_ONLY
enum { chips_mask = 0 };
#else
enum { chips_mask = header_t::all_mask };
#endif
protected:
virtual int unmapped_read( addr_t );
virtual void unmapped_write( addr_t, int data );
// Implementation
public:
Nsf_Core();
~Nsf_Core();
virtual void unload();
virtual blargg_err_t start_track( int );
virtual void end_frame( time_t );
protected:
virtual blargg_err_t post_load();
virtual int cpu_read( addr_t );
virtual void cpu_write( addr_t, int );
private:
byte mmc5_mul [2];
Nes_Fds_Apu* fds;
Nes_Fme7_Apu* fme7;
Nes_Mmc5_Apu* mmc5;
Nes_Namco_Apu* namco;
Nes_Vrc6_Apu* vrc6;
Nes_Vrc7_Apu* vrc7;
};
#endif
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