Function at 0x4fbc30
Capabilities:
Compute adler32 checksum

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
push eax
mov edi, dword [ebp + 0x10]
mov ebx, dword [ebp + 0xc]
mov eax, dword [ebp + 8]
test ebx, ebx
je 0x4fbc5e
cmp edi, 0x40
jb 0x4fbc5e
cmp dword [0x757970], 0
je 0x4fbc5e
add esp, 4
pop esi
pop edi
pop ebx
pop ebp
jmp fcn.004dbce0
mov esi, eax
shr esi, 0x10
movzx ecx, ax
cmp edi, 1
je 0x4fbecd
test ebx, ebx
je 0x4fbcbd
cmp edi, 0x10
jae 0x4fbccb
test edi, edi
je 0x4fbc8b
xor eax, eax
movzx edx, byte [ebx + eax]
add ecx, edx
add esi, ecx
inc eax
cmp edi, eax
jne 0x4fbc7e
lea edi, [ecx - 0xfff1]
cmp ecx, 0xfff1
cmovb edi, ecx
mov ecx, 0x80078071
mov eax, esi
mul ecx
shr edx, 0xf
imul eax, edx, 0xfff1
sub esi, eax
shl esi, 0x10
or esi, edi
mov eax, esi
add esp, 4
pop esi
pop edi
pop ebx
pop ebp
ret
xor esi, esi
inc esi
test edi, edi
jne 0x4fbcb3
call fcn.004b25d0
jmp 0x4fbcb3
cmp edi, 0x15b0
jae 0x4fbda5
add edi, 0xfffffff0
movzx eax, byte [ebx]
add eax, ecx
add esi, eax
movzx ecx, byte [ebx + 1]
add ecx, eax
add esi, ecx
movzx eax, byte [ebx + 2]
add eax, ecx
add esi, eax
movzx ecx, byte [ebx + 3]
add ecx, eax
add esi, ecx
movzx eax, byte [ebx + 4]
add eax, ecx
add esi, eax
movzx ecx, byte [ebx + 5]
add ecx, eax
add esi, ecx
movzx eax, byte [ebx + 6]
add eax, ecx
add esi, eax
movzx ecx, byte [ebx + 7]
add ecx, eax
add esi, ecx
movzx eax, byte [ebx + 8]
add eax, ecx
add esi, eax
movzx ecx, byte [ebx + 9]
add ecx, eax
add esi, ecx
movzx eax, byte [ebx + 0xa]
add eax, ecx
add esi, eax
movzx ecx, byte [ebx + 0xb]
add ecx, eax
add esi, ecx
movzx eax, byte [ebx + 0xc]
add eax, ecx
add esi, eax
movzx ecx, byte [ebx + 0xd]
add ecx, eax
add esi, ecx
movzx eax, byte [ebx + 0xe]
add eax, ecx
add esi, eax
movzx ecx, byte [ebx + 0xf]
add ecx, eax
add esi, ecx
add ebx, 0x10
cmp edi, 0xf
ja 0x4fbcd7
test edi, edi
je 0x4fbd78
xor eax, eax
movzx edx, byte [ebx + eax]
add ecx, edx
add esi, ecx
inc eax
cmp edi, eax
jne 0x4fbd6b
mov edi, 0x80078071
mov eax, ecx
mul edi
shr edx, 0xf
imul eax, edx, 0xfff1
sub ecx, eax
mov eax, esi
mul edi
shr edx, 0xf
imul eax, edx, 0xfff1
sub esi, eax
shl esi, 0x10
or esi, ecx
jmp 0x4fbcb3
mov eax, 0xffffea50
movzx edx, byte [ebx + eax + 0x15b0]
add edx, ecx
add esi, edx
movzx ecx, byte [ebx + eax + 0x15b1]
add ecx, edx
add esi, ecx
movzx edx, byte [ebx + eax + 0x15b2]
add edx, ecx
add esi, edx
movzx ecx, byte [ebx + eax + 0x15b3]
add ecx, edx
add esi, ecx
movzx edx, byte [ebx + eax + 0x15b4]
add edx, ecx
add esi, edx
movzx ecx, byte [ebx + eax + 0x15b5]
add ecx, edx
add esi, ecx
movzx edx, byte [ebx + eax + 0x15b6]
add edx, ecx
add esi, edx
movzx ecx, byte [ebx + eax + 0x15b7]
add ecx, edx
add esi, ecx
movzx edx, byte [ebx + eax + 0x15b8]
add edx, ecx
add esi, edx
movzx ecx, byte [ebx + eax + 0x15b9]
add ecx, edx
add esi, ecx
movzx edx, byte [ebx + eax + 0x15ba]
add edx, ecx
add esi, edx
movzx ecx, byte [ebx + eax + 0x15bb]
add ecx, edx
add esi, ecx
movzx edx, byte [ebx + eax + 0x15bc]
add edx, ecx
add esi, edx
movzx ecx, byte [ebx + eax + 0x15bd]
add ecx, edx
add esi, ecx
movzx edx, byte [ebx + eax + 0x15be]
add edx, ecx
add esi, edx
movzx ecx, byte [ebx + eax + 0x15bf]
add ecx, edx
add esi, ecx
add eax, 0x10
jne 0x4fbdaa
mov eax, ecx
mov edx, 0x80078071
mul edx
shr edx, 0xf
imul eax, edx, 0xfff1
mov dword [ebp - 0x10], eax
mov eax, esi
mov edx, 0x80078071
mul edx
sub ecx, dword [ebp - 0x10]
shr edx, 0xf
imul eax, edx, 0xfff1
sub esi, eax
add edi, 0xffffea50
add ebx, 0x15b0
cmp edi, 0x15af
ja 0x4fbda5
test edi, edi
je 0x4fbd9b
cmp edi, 0x10
jb 0x4fbd69
jmp 0x4fbcd7
movzx eax, byte [ebx]
lea edx, [ecx + eax]
cmp edx, 0xfff1
lea eax, [ecx + eax - 0xfff1]
cmovb eax, edx
add esi, eax
mov ecx, esi
shl ecx, 0x10
cmp esi, 0xfff1
lea esi, [ecx + 0xf0000]
cmovb esi, ecx
or esi, eax
jmp 0x4fbcb3