Tested with 99 maps.
Code:
005316B6 8A0D 0421DE01 MOV CL,BYTE PTR DS:[1DE2104]
005316D4 0905 0421DE01 OR DWORD PTR DS:[1DE2104],EAX
005316DA B9 681FDE01 MOV ECX,01DE1F68
005316FC B8 681FDE01 MOV EAX,01DE1F68
0061B140 A1 0421DE01 MOV EAX,DWORD PTR DS:[1DE2104]
0061B148 A3 0421DE01 MOV DWORD PTR DS:[1DE2104],EAX
00620D90 B9 681FDE01 MOV ECX,01DE1F68
0051E9F6 8A0D 0030DE01 MOV CL,BYTE PTR DS:[1DE3000]
0051EA14 0905 0030DE01 OR DWORD PTR DS:[1DE3000],EAX
0051EA1A B9 C02DDE01 MOV ECX,01DE2DC0
0051EA31 C705 C02DDE01 >MOV DWORD PTR DS:[1DE2DC0],0063>
0051EA46 B8 C02DDE01 MOV EAX,01DE2DC0
00617E60 A1 0030DE01 MOV EAX,DWORD PTR DS:[1DE3000]
00617E68 A3 0030DE01 MOV DWORD PTR DS:[1DE3000],EAX
00620D80 B9 C02DDE01 MOV ECX,01DE2DC0
0051ACDE F605 0432DE01 >TEST BYTE PTR DS:[1DE3204],1
0051ACEE 830D 0432DE01 >OR DWORD PTR DS:[1DE3204],1
0051ACF5 B9 F831DE01 MOV ECX,01DE31F8
0051AD07 A3 FC31DE01 MOV DWORD PTR DS:[1DE31FC],EAX
0051AD10 A1 FC31DE01 MOV EAX,DWORD PTR DS:[1DE31FC]
0051AD18 A1 FC31DE01 MOV EAX,DWORD PTR DS:[1DE31FC]
0051AD1F A1 FC31DE01 MOV EAX,DWORD PTR DS:[1DE31FC]
0051AD2C C705 0032DE01 >MOV DWORD PTR DS:[1DE3200],0
0051AD36 C705 F431DE01 >MOV DWORD PTR DS:[1DE31F4],0063>
0051AD4B B8 F431DE01 MOV EAX,01DE31F4
00617B10 A1 0432DE01 MOV EAX,DWORD PTR DS:[1DE3204]
00617B18 A3 0432DE01 MOV DWORD PTR DS:[1DE3204],EAX
00620D70 B9 F431DE01 MOV ECX,01DE31F4
0062071F A3 0C33DE01 MOV DWORD PTR DS:[1DE330C],EAX
00620724 C705 1033DE01 >MOV DWORD PTR DS:[1DE3310],0
00620DA0 8B0D 0C33DE01 MOV ECX,DWORD PTR DS:[1DE330C]
00620DAA 8B0D 0C33DE01 MOV ECX,DWORD PTR DS:[1DE330C]
00620DB3 8B0D 0C33DE01 MOV ECX,DWORD PTR DS:[1DE330C]
00620DBB C705 1033DE01 >MOV DWORD PTR DS:[1DE3310],0
00620DD0 8B0D 0C33DE01 MOV ECX,DWORD PTR DS:[1DE330C]
00620DE9 C705 0C33DE01 >MOV DWORD PTR DS:[1DE330C],0