h6. [[SoundDMA]] h6(. » [[SoundDMA SWI Calls|SWI Calls]] h6((. » [[Sound_Configure]] h6(((. » [[Sound Channel Handler]] h4. Sound Channel Control Block (SCCB) |_<^{width:4em}. Offset |_<^. Contents | |>^. +0 |<^. gate bit + channel amplitude (7-bit log) | |>^. +1 |<^. index to voice table | |>^. +2 |<^. instance number for attached voice | |>^. +3 |<^. control/status bit flags | |>^. +4 |<^. phase accumulator pitch oscillator | |>^. +8 |<^. phase accumulator timbre oscillator | |>^. +12 |<^. number of buffer fills left to do (counter) | |>^. +16 |<^. (normally working R4) | |>^. +20 |<^. (normally working R5) | |>^. +24 |<^. (normally working R6) | |>^. +28 |<^. (normally working R7) | |>^. +32 |<^. (normally working R8) | |>^. +36-63 |<^. reserved | |>^. +64-255 |<^. available for users | The control/status flag byte indicates the state of the voice attached to the channel and may be used for allocating voices in a polyphonic manner. h4. See also * [[Sound Channel Handler]], [[Sound Scheduler]], [[Sound Voice Generator]]