10 void pcm_update(void);
11 void pcm_byte_write(uint32 offset, uint8 data);
12 void pcm_word_write(uint32 offset, uint16 data);
13 uint8 pcm_byte_read(uint32 offset);
14 uint16 pcm_word_read(uint32 offset);
15 void pcm_updateOne(int channel, int16 * data, uint32 length);
16 void pcm_set_sample_rate(int rate);