From CloudModding MM Wiki

The following was noted by Playtendo/fkualol/aksa


006FDC40

803FF53C (BP that sent him to the pointer?)

803FF38C 1A command pointer

803FF53C MM (J)


xx00yyyy zzzzzzzz

xx = DE000000 xx000000 map dlist command
  xx - 7
  yy = type
  00 = one layer
  01 = two layers
  zz = pointer

first layer 
aabbccdd 

  aa = x velocity factor
  bb = y velocity factor
  cc = unknown - use 0x20 if unsure
  dd = unknown - use 0x20 if unsure