MS_ADPCM_nibble  208 src/audio/SDL_wave.c                     new_sample = MS_ADPCM_nibble(state[0],nybble,coeff[0]);
MS_ADPCM_nibble  215 src/audio/SDL_wave.c                     new_sample = MS_ADPCM_nibble(state[1],nybble,coeff[1]);