37 lines
877 B
C
37 lines
877 B
C
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// Sega PCM sound chip emulator interface
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// Game_Music_Emu $vers
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#ifndef SEGAPCM_EMU_H
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#define SEGAPCM_EMU_H
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class SegaPcm_Emu {
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void* chip;
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public:
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SegaPcm_Emu();
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~SegaPcm_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( int intf_type );
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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 = 16 };
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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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// Scales ROM size, then writes length bytes from data at start offset
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void write_rom( int size, int start, int length, void * 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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