header info

64 00 50 00 a0 0f 00 00 01 00 19 00 14 00
64 00 50 00 a0 0f 01 00 01 00 19 00 14 00
50 00 32 00 d0 07 01 00 01 00 14 00 0d 00
50 00 32 00 d0 07 01 00 02 00 14 00 0d 00
a0 00 32 00 a0 0f 01 00 01 00 28 00 0d 00
64 00 3a 00 54 0b 01 00 01 00 19 00 0f 00

co co rw ?? tn tn fl ?? rs rs c2 ?? r2 ??



rw = rows
co = columns * 2
fl = flat flag - 1 if flat, 0 if round
rs = resource seed
tn = number of tiles
c2 = columns / 2
r2 = rows / 4 (round up)


okay, each tile appears to take up 6 bytes, starting from byte 0x62

en ?? ?? ?? pr ??
   00 00 00    f0   

en = environment
pr = ??previous environment??


environments
0x00 = desert
0x01 = tundra
0x02 = grass
0x03 = forest
0x04 = hills
0x05 = mountains
0x06 = tundra
0x07 = arctic
0x08 = swamp
0x09 = jungle
0x0a = ocean
+0x80 = river