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