Function at 0x404b50
Capabilities:
Decompress data using aplib

Disassembly:
pushal
mov esi, dword [esp + 0x24]
mov eax, dword [esp + 0x28]
mov edi, dword [esp + 0x2c]
mov ecx, dword [esp + 0x30]
push eax
push ecx
test esi, esi
je 0x404df9
test edi, edi
je 0x404df9
or ebp, 0xffffffff
cld
xor edx, edx
sub dword [esp + 4], 1
jb 0x404df9
mov al, byte [esi]
add esi, 1
sub dword [esp], 1
jb 0x404df9
mov byte [edi], al
add edi, 1
mov ebx, 2
add dl, dl
jne 0x404bb3
sub dword [esp + 4], 1
jb 0x404df9
mov dl, byte [esi]
inc esi
add dl, dl
inc dl
jae 0x404b79
add dl, dl
jne 0x404bcb
sub dword [esp + 4], 1
jb 0x404df9
mov dl, byte [esi]
inc esi
add dl, dl
inc dl
jae 0x404c7d
xor eax, eax
add dl, dl
jne 0x404be9
sub dword [esp + 4], 1
jb 0x404df9
mov dl, byte [esi]
inc esi
add dl, dl
inc dl
jae 0x404dbe
add dl, dl
jne 0x404c05
sub dword [esp + 4], 1
jb 0x404df9
mov dl, byte [esi]
inc esi
add dl, dl
inc dl
adc eax, eax
add dl, dl
jne 0x404c1d
sub dword [esp + 4], 1
jb 0x404df9
mov dl, byte [esi]
inc esi
add dl, dl
inc dl
adc eax, eax
add dl, dl
jne 0x404c35
sub dword [esp + 4], 1
jb 0x404df9
mov dl, byte [esi]
inc esi
add dl, dl
inc dl
adc eax, eax
add dl, dl
jne 0x404c4d
sub dword [esp + 4], 1
jb 0x404df9
mov dl, byte [esi]
inc esi
add dl, dl
inc dl
adc eax, eax
je 0x404c66
mov ebx, dword [esp + 0x38]
sub ebx, dword [esp]
cmp eax, ebx
ja 0x404df9
mov ebx, edi
sub ebx, eax
mov al, byte [ebx]
sub dword [esp], 1
jb 0x404df9
mov byte [edi], al
inc edi
mov ebx, 2
jmp 0x404b9d
mov eax, 1
add dl, dl
jne 0x404c98
sub dword [esp + 4], 1
jb 0x404df9
mov dl, byte [esi]
inc esi
add dl, dl
inc dl
adc eax, eax
jb 0x404df9
add dl, dl
jne 0x404cb6
sub dword [esp + 4], 1
jb 0x404df9
mov dl, byte [esi]
inc esi
add dl, dl
inc dl
jb 0x404c82
sub eax, ebx
mov ebx, 1
jne 0x404d24
mov ecx, 1
add dl, dl
jne 0x404cdc
sub dword [esp + 4], 1
jb 0x404df9
mov dl, byte [esi]
inc esi
add dl, dl
inc dl
adc ecx, ecx
jb 0x404df9
add dl, dl
jne 0x404cfa
sub dword [esp + 4], 1
jb 0x404df9
mov dl, byte [esi]
inc esi
add dl, dl
inc dl
jb 0x404cc6
push ecx
mov ecx, dword [esp + 0x3c]
sub ecx, dword [esp + 4]
cmp ebp, ecx
pop ecx
ja 0x404df9
sub dword [esp], ecx
jb 0x404df9
push esi
mov esi, edi
sub esi, ebp
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0x404b9d
dec eax
test eax, 0xff000000
jne 0x404df9
shl eax, 8
sub dword [esp + 4], 1
jb 0x404df9
mov al, byte [esi]
inc esi
mov ebp, eax
mov ecx, 1
add dl, dl
jne 0x404d5e
sub dword [esp + 4], 1
jb 0x404df9
mov dl, byte [esi]
inc esi
add dl, dl
inc dl
adc ecx, ecx
jb 0x404df9
add dl, dl
jne 0x404d7c
sub dword [esp + 4], 1
jb 0x404df9
mov dl, byte [esi]
inc esi
add dl, dl
inc dl
jb 0x404d48
cmp eax, 0x7d00
sbb ecx, 0xffffffff
cmp eax, 0x500
sbb ecx, 0xffffffff
cmp eax, 0x80
adc ecx, 0
cmp eax, 0x80
adc ecx, 0
push ecx
mov ecx, dword [esp + 0x3c]
sub ecx, dword [esp + 4]
cmp eax, ecx
pop ecx
ja 0x404df9
sub dword [esp], ecx
jb 0x404df9
push esi
mov esi, edi
sub esi, eax
rep movsb byte es:[edi], byte [esi]
pop esi
jmp 0x404b9d
sub dword [esp + 4], 1
jb 0x404df9
mov al, byte [esi]
inc esi
xor ecx, ecx
shr al, 1
je 0x404e01
adc ecx, 2
mov ebp, eax
push ecx
mov ecx, dword [esp + 0x3c]
sub ecx, dword [esp + 4]
cmp eax, ecx
pop ecx
ja 0x404df9
sub dword [esp], ecx
jb 0x404df9
push esi
mov esi, edi
sub esi, eax
rep movsb byte es:[edi], byte [esi]
pop esi
mov ebx, 1
jmp 0x404b9d
add esp, 8
popal
or eax, 0xffffffff
ret
add esp, 8
sub edi, dword [esp + 0x2c]
mov dword [esp + 0x1c], edi
popal
ret