DOS - WIN differences

bytes 6,7,8,9 -- size ?
and starting 0x1c

LEVEL diffs

bytes 5,6,7,8,9,a,b,c,d,10 ...

byte[5] == byte[a] == maybe num of sprites?!/entries?!

hmm.. between D1 and D2, only 6,7,8,9 differs, and then until 0x37c nothing
D1->D3: starting 0x21..., then 0x14


FORMAT
------

byte0-3		ID == 'DATA'
byte4-5		num of sprites?
byte6-8		sizes?
byte9-10	num of sprites?
