34 lines
754 B
C++
34 lines
754 B
C++
// YM2151 FM sound chip emulator interface
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// Game_Music_Emu $vers
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#ifndef YM2151_EMU_H
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#define YM2151_EMU_H
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class Ym2151_Emu {
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void* PSG;
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public:
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Ym2151_Emu();
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~Ym2151_Emu();
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// Sets output sample rate and chip clock rates, in Hz. Returns non-zero
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// if error.
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int set_rate( double sample_rate, double clock_rate );
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// Resets to power-up state
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void reset();
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// Mutes voice n if bit n (1 << n) of mask is set
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enum { channel_count = 8 };
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void mute_voices( int mask );
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// Writes data to addr
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void write( int addr, int data );
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// Runs and writes pair_count*2 samples to output
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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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