39 lines
966 B
C++
39 lines
966 B
C++
// YM2612 FM sound chip emulator interface
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// Game_Music_Emu https://bitbucket.org/mpyne/game-music-emu/
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#ifndef YM2612_EMU_H
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#define YM2612_EMU_H
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struct Ym2612_GENS_Impl;
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class Ym2612_GENS_Emu {
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Ym2612_GENS_Impl* impl;
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public:
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Ym2612_GENS_Emu() { impl = 0; }
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~Ym2612_GENS_Emu();
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// Set output sample rate and chip clock rates, in Hz. Returns non-zero
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// if error.
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const char* set_rate( double sample_rate, double clock_rate );
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// Reset to power-up state
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void reset();
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// Mute voice n if bit n (1 << n) of mask is set
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enum { channel_count = 6 };
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void mute_voices( int mask );
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// Write addr to register 0 then data to register 1
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void write0( int addr, int data );
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// Write addr to register 2 then data to register 3
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void write1( int addr, int data );
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// Run and add pair_count samples into current output buffer contents
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typedef short sample_t;
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enum { out_chan_count = 2 }; // stereo
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void run( int pair_count, sample_t* out );
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};
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#endif
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