Function at 0x48504c
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
push ebp
add esp, 0xfffffff8
mov esi, 0x4dbc00
mov ebp, 0x4dbbfc
xor eax, eax
mov dword [esp + 4], eax
mov ebx, 2
cmp dword [0x4a2bdc], 3
jg 0x4852ae
call fcn.00484b09
jmp 0x4852ff
mov edx, dword [0x4a2b20]
mov eax, dword [esi]
xor ecx, ecx
mov cl, byte [edx + eax + 2]
mov edx, dword [0x4dbbf8]
shl edx, 5
xor ecx, edx
and ecx, 0x7fff
mov dword [0x4dbbf8], ecx
mov ecx, dword [0x4dbbe8]
mov edx, dword [0x4dbbf8]
movzx edi, word [ecx + edx*2]
and eax, 0x7fff
mov edx, dword [0x4a2b24]
mov word [edx + eax*2], di
mov eax, dword [0x4dbbe8]
mov ecx, dword [0x4dbbf8]
mov dx, word [esi]
mov word [eax + ecx*2], dx
mov dword [ebp], ebx
mov eax, dword [0x4dbc04]
mov dword [esp], eax
mov ebx, 2
test edi, edi
je 0x48512d
mov eax, dword [ebp]
cmp eax, dword [0x4dbc14]
jae 0x48512d
mov edx, dword [esi]
sub edx, edi
cmp edx, 0x7efa
ja 0x48512d
mov eax, edi
call fcn.00484efc
mov ebx, eax
mov eax, dword [0x4dbc0c]
cmp ebx, eax
jbe 0x485114
mov ebx, eax
cmp ebx, 3
jne 0x48512d
mov eax, dword [esi]
sub eax, dword [0x4dbc04]
cmp eax, 0x1000
jbe 0x48512d
mov ebx, 2
cmp dword [ebp], 3
jb 0x485236
cmp ebx, dword [ebp]
jbe 0x485173
mov eax, ebx
sub eax, dword [ebp]
cmp eax, 1
jne 0x485236
mov edx, dword [esi]
sub edx, dword [0x4dbc04]
cmp edx, 0x4000
jbe 0x485236
mov ecx, dword [0x4dbc04]
add ecx, 0x5dc
cmp ecx, dword [esp]
jae 0x485236
mov edx, dword [ebp]
mov eax, dword [esi]
sub edx, 3
dec eax
sub eax, dword [esp]
call fcn.00486b1c
mov ecx, dword [ebp]
dec ecx
sub dword [0x4dbc0c], ecx
sub dword [ebp], 2
inc dword [esi]
mov ecx, dword [0x4a2b20]
mov edx, dword [esi]
movzx ecx, byte [ecx + edx + 2]
mov ebx, dword [0x4dbbf8]
shl ebx, 5
xor ecx, ebx
and ecx, 0x7fff
mov dword [0x4dbbf8], ecx
mov ecx, dword [0x4dbbe8]
mov ebx, dword [0x4dbbf8]
movzx edi, word [ecx + ebx*2]
and edx, 0x7fff
mov ecx, dword [0x4a2b24]
mov word [ecx + edx*2], di
mov edx, dword [0x4dbbe8]
mov ecx, dword [0x4dbbf8]
mov bx, word [esi]
mov word [edx + ecx*2], bx
dec dword [ebp]
jne 0x485192
xor edx, edx
mov dword [esp + 4], edx
mov ebx, 2
inc dword [esi]
test eax, eax
je 0x48529d
mov edx, dword [esi]
sub edx, dword [0x4dbbf0]
cmp dword [0x4dbbf0], 0
jl 0x485223
mov eax, dword [0x4a2b20]
add eax, dword [0x4dbbf0]
jmp 0x485225
xor eax, eax
xor ecx, ecx
call fcn.00486940
mov edx, dword [esi]
mov dword [0x4dbbf0], edx
jmp 0x48529d
cmp dword [esp + 4], 0
je 0x48528d
mov eax, dword [0x4a2b20]
mov edx, dword [esi]
movzx edx, byte [eax + edx - 1]
xor eax, eax
call fcn.00486b1c
test eax, eax
je 0x485283
mov edx, dword [esi]
sub edx, dword [0x4dbbf0]
cmp dword [0x4dbbf0], 0
jl 0x485272
mov eax, dword [0x4a2b20]
add eax, dword [0x4dbbf0]
jmp 0x485274
xor eax, eax
xor ecx, ecx
call fcn.00486940
mov edx, dword [esi]
mov dword [0x4dbbf0], edx
inc dword [esi]
dec dword [0x4dbc0c]
jmp 0x48529d
mov dword [esp + 4], 1
inc dword [esi]
dec dword [0x4dbc0c]
cmp dword [0x4dbc0c], 0x106
jae 0x4852ae
call fcn.004849d8
cmp dword [0x4dbc0c], 0
jne 0x48507f
cmp dword [esp + 4], 0
je 0x4852d5
mov eax, dword [0x4a2b20]
mov edx, dword [esi]
movzx edx, byte [eax + edx - 1]
xor eax, eax
call fcn.00486b1c
mov edx, dword [esi]
sub edx, dword [0x4dbbf0]
cmp dword [0x4dbbf0], 0
jl 0x4852f3
mov eax, dword [0x4a2b20]
add eax, dword [0x4dbbf0]
jmp 0x4852f5
xor eax, eax
mov ecx, 1
call fcn.00486940
pop ecx
pop edx
pop ebp
pop edi
pop esi
pop ebx
ret