h6. [[OS SWI Calls]] h6(. » [[OS_Byte]] h6((. » [[OS_Byte 213]] h6(((. » Sound Pitches h2. Sound Pitches |_<^{width:8em}. Pitch | | |<^. 0 - 255|<^. BBC style pitch (increase by 4 for one semitone)| |/4<^. &0100 - &7FFF |<^. Enhanced pitch control : &offf| |<^. &o000 is octave| |<^. &0fff is fraction of octave| |<^. &4000 is usually middle C though this depends on the sample| |<^. &8000 - &FFFF |<^. Phase accumulator increment (?)| h4. See also * [[OS_Byte 213]]