the data for each channel (1..4) stored after
each other. Channels 1 and 4 are on the left, and channels 2 and 3 are
on the right. In the case of more channels: channels 5 and 8 are on the
left, and channels 6 and 7 are on the right, etc. Each channel's data in
the division has an identical format which consists of 2 words (4
bytes). Divisions are numbered 0..63. Each division may be divided into
a number of ticks (see 'set speed' effect below).

Channel Data:
                  (the four bytes of channel da