// YM2612 FM sound chip emulator interface // Game_Music_Emu 0.6.0 #ifndef YM2612_EMU_H #define YM2612_EMU_H struct OPNMIDI_Ym2612_Impl; class OPNMIDI_Ym2612_Emu { OPNMIDI_Ym2612_Impl* impl; public: OPNMIDI_Ym2612_Emu() { impl = 0; } ~OPNMIDI_Ym2612_Emu(); // Set output sample rate and chip clock rates, in Hz. Returns non-zero // if error. const char* set_rate( double sample_rate, double clock_rate ); // Reset to power-up state void reset(); // Mute voice n if bit n (1 << n) of mask is set enum { channel_count = 6 }; void mute_voices( int mask ); // Write addr to register 0 then data to register 1 void write0( int addr, int data ); // Write addr to register 2 then data to register 3 void write1( int addr, int data ); // Run and add pair_count samples into current output buffer contents typedef short sample_t; enum { out_chan_count = 2 }; // stereo void run( int pair_count, sample_t* out ); }; #endif