Function at 0x43f0f0
Capabilities:
Check if file exists
Get file attributes
Set current directory

Disassembly:
mov eax, 0x10d6c
call fcn.00491b50
cmp dword [0x4ab3c8], 4
mov eax, dword [esp + 0x10d78]
push ebx
push ebp
mov ebp, dword [esp + 0x10d84]
push esi
push edi
mov edi, ecx
mov ecx, dword [0x4ab178]
mov dword [esp + 0x14], ecx
jl 0x43f146
mov ecx, dword [esp + 0x10d80]
push 0x499869
push 0
push str.The_maximum_number_of_File_Dialogs_has_been_reached.
call fcn.0042d690
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10d6c
ret 0x10
xor ebx, ebx
mov byte [esp + 0xd78], bl
cmp eax, ebx
je 0x43f247
cmp byte [eax], bl
je 0x43f247
push 0x103
push eax
lea edx, [esp + 0x78]
push edx
call fcn.00488320
add esp, 0xc
push 3
lea eax, [esp + 0x74]
push 0x49ef84
push eax
mov byte [esp + 0x17f], bl
call fcn.004875f8
add esp, 0xc
test eax, eax
sete al
mov byte [esp + 0x12], al
cmp al, bl
je 0x43f1d3
lea ecx, [esp + 0x70]
push 0x7d
push ecx
call fcn.00486371
add esp, 8
cmp eax, ebx
je 0x43f24b
cmp byte [eax + 1], bl
je 0x43f24b
lea eax, [esp + 0x70]
lea edx, [eax + 1]
mov cl, byte [eax]
inc eax
cmp cl, bl
jne 0x43f1c1
sub eax, edx
cmp byte [esp + eax + 0x6f], 0x5c
jne 0x43f1e7
jmp 0x43f24b
lea edx, [esp + 0x70]
push edx
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
je 0x43f1e7
test al, 0x10
jne 0x43f24b
lea eax, [esp + 0x70]
push 0x5c
push eax
call fcn.004876bc
mov esi, eax
add esp, 8
cmp esi, ebx
je 0x43f220
push 0xfffe
lea ecx, [esi + 1]
push ecx
lea edx, [esp + 0xd80]
push edx
call fcn.00488320
mov byte [esp + 0x10d82], bl
add esp, 0xc
mov byte [esi], bl
jmp 0x43f24b
cmp byte [esp + 0x12], bl
jne 0x43f24b
push 0xfffe
lea eax, [esp + 0x74]
push eax
lea ecx, [esp + 0xd80]
push ecx
call fcn.00488320
add esp, 0xc
mov byte [esp + 0x10d76], bl
mov byte [esp + 0x70], bl
cmp edi, ebx
je 0x43f272
cmp byte [edi], bl
je 0x43f272
push 0x3ff
lea edx, [esp + 0x97c]
push edi
push edx
call fcn.00488320
add esp, 0xc
mov byte [esp + 0xd77], bl
jmp 0x43f291
mov eax, dword [0x4ad884]
push eax
push str.Select_File____s
mov esi, 0x400
lea edi, [esp + 0x980]
call fcn.00472490
add esp, 8
mov byte [esp + 0x578], bl
mov byte [esp + 0x178], bl
cmp byte [ebp], bl
je 0x43f2f9
push 0x28
push ebp
call fcn.00486371
add esp, 8
push 0x3ff
cmp eax, ebx
je 0x43f335
inc eax
push eax
lea ecx, [esp + 0x180]
push ecx
call fcn.00488320
add esp, 0xc
lea edx, [esp + 0x178]
push 0x29
push edx
mov byte [esp + 0x57f], bl
call fcn.004876bc
add esp, 8
cmp eax, ebx
je 0x43f2eb
mov byte [eax], bl
jmp 0x43f34d
mov byte [esp + 0x178], bl
mov byte [esp + 0x578], bl
push 0x54
lea eax, [esp + 0x20]
push ebx
push eax
call fcn.0048e850
mov ebx, dword [0x4a7918]
add esp, 0xc
add ebx, 0x4c
mov dword [esp + 0x18], 0x58
call fcn.00459f90
test eax, eax
je 0x43f3a2
mov ecx, dword [0x4a7918]
mov edx, dword [ecx + 0x4c]
mov eax, dword [edx + 4]
mov dword [esp + 0x1c], eax
jmp 0x43f3aa
lea eax, [esp + 0x17c]
push ebp
push eax
call fcn.00488320
add esp, 0xc
mov byte [esp + 0x577], bl
cmp byte [esp + 0x178], bl
je 0x43f2f2
push ebx
push 0xffffffffffffffff
push 1
push 0x499869
lea ecx, [esp + 0x188]
push 0x49d898
push ecx
xor eax, eax
or ecx, 0xffffffff
call fcn.00472c50
push ebx
push ebx
push ebx
lea edx, [esp + 0x19c]
push edx
push ebx
push ebp
push str._s_c_s_cAll_Files__.__c._c
mov esi, 0x400
lea edi, [esp + 0x5ac]
call fcn.00472490
add esp, 0x34
jmp 0x43f2f9
mov dword [esp + 0x1c], 0
cmp byte [esp + 0x578], 0
lea ecx, [esp + 0x978]
mov dword [esp + 0x48], ecx
je 0x43f3cc
lea edx, [esp + 0x578]
mov dword [esp + 0x24], edx
jmp 0x43f3d4
mov dword [esp + 0x24], str.All_Files__._
movsx ecx, byte [esp + 0x70]
mov esi, dword [esp + 0x10d84]
mov bl, byte [esi]
lea eax, [esp + 0xd78]
neg ecx
mov dword [esp + 0x34], eax
sbb ecx, ecx
movzx eax, bl
lea edx, [esp + 0x70]
and ecx, edx
mov dword [esp + 0x38], 0xfffe
mov dword [esp + 0x44], ecx
mov byte [esp + 0x12], 0
mov byte [esp + 0x13], 0
test eax, 0xffffff80
jne 0x43f429
push 2
push eax
call fcn.004868be
add esp, 8
test eax, eax
je 0x43f429
and bl, 0xdf
cmp bl, 0x4d
je 0x43f43a
cmp bl, 0x53
jne 0x43f440
mov byte [esp + 0x12], 1
jmp 0x43f43f
mov byte [esp + 0x13], 1
inc esi
mov eax, esi
call fcn.0040cec0
test al, al
je 0x43f45a
push 0x10
push 0
push esi
call fcn.00486d04
add esp, 0xc
jmp 0x43f463
push esi
call fcn.00486906
add esp, 4
mov dword [esp + 0x4c], 0x80004
test al, 0x20
je 0x43f477
mov dword [esp + 0x4c], 0x180004
test al, 0x10
je 0x43f480
or dword [esp + 0x4c], 2
test al, 8
je 0x43f48c
or dword [esp + 0x4c], 0x2000
cmp byte [esp + 0x13], 0
mov ebp, 0x200
jne 0x43f49c
test al, 4
je 0x43f4a0
or dword [esp + 0x4c], ebp
test al, 2
je 0x43f4ac
or dword [esp + 0x4c], 0x800
test al, 1
je 0x43f4b8
or dword [esp + 0x4c], 0x1000
call fcn.00477ab0
push 0
push 0x403
mov bl, al
mov eax, dword [0x4ab22c]
push 0x44
push eax
call dword [sym.imp.USER32.dll_PostMessageA]
mov edi, 1
add dword [0x4ab3c8], edi
cmp byte [esp + 0x12], 0
jne 0x43f502
mov eax, dword [esp + 0x4c]
test al, 2
je 0x43f4f5
test eax, 0x2000
je 0x43f502
lea ecx, [esp + 0x18]
push ecx
call dword [sym.imp.COMDLG32.dll_GetOpenFileNameA]
jmp 0x43f50d
lea edx, [esp + 0x18]
push edx
call dword [sym.imp.COMDLG32.dll_GetSaveFileNameA]
sub dword [0x4ab3c8], edi
test bl, bl
mov esi, eax
mov eax, dword [0x4a7918]
sete cl
mov byte [eax + 0xce], bl
mov byte [eax + 0xcc], cl
cmp byte [0x4aba30], 0
je 0x43f53f
push 0x4aba30
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryA]
test esi, esi
jne 0x43f5a5
mov ecx, dword [esp + 0x14]
call fcn.00412e90
cmp eax, edi
je 0x43f55f
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10d6c
ret 0x10
call dword [sym.imp.COMDLG32.dll_CommDlgExtendedError]
test eax, eax
je 0x43f583
mov edx, dword [esp + 0x10d80]
push edx
call fcn.0042fc90
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10d6c
ret 0x10
mov eax, dword [0x4aba2c]
push edi
push 0
push 0xffffffffffffffff
push 0x49afb8
push eax
call fcn.00475240
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10d6c
ret 0x10
mov ecx, dword [0x4aba2c]
push edi
push 0
push 0xffffffffffffffff
push 0x4998b4
push ecx
call fcn.00475240
test dword [esp + 0x4c], ebp
je 0x43f680
cmp byte [esp + 0x13], 0
lea eax, [esp + 0xd78]
je 0x43f667
lea edx, [eax + 1]
lea ebx, [ebx]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x43f5e0
sub eax, edx
cmp byte [esp + eax + 0xd79], cl
jne 0x43f643
lea edx, [esp + 0xd78]
push 0x5c
push edx
call fcn.004876bc
mov esi, eax
add esp, 8
test esi, esi
je 0x43f680
lea ecx, [esp + 0xd78]
sub eax, ecx
mov byte [esi], 0xa
cmp eax, 2
jne 0x43f680
cmp byte [esi - 1], 0x3a
jne 0x43f680
mov eax, esi
lea edx, [eax + 1]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x43f626
sub eax, edx
inc eax
push eax
lea edx, [esi + 1]
push esi
push edx
call fcn.00485f60
add esp, 0xc
mov byte [esi], 0x5c
jmp 0x43f680
lea eax, [esp + 0xd78]
lea ebx, [ebx]
cmp byte [eax], 0
je 0x43f65c
add eax, edi
cmp byte [eax], 0
jne 0x43f655
cmp byte [eax + 1], 0
je 0x43f680
mov byte [eax], 0xa
jmp 0x43f650
cmp byte [eax], 0
je 0x43f677
lea esp, [esp]
add eax, edi
cmp byte [eax], 0
jne 0x43f670
cmp byte [eax + 1], 0
mov byte [eax], 0xa
jne 0x43f667
mov ecx, dword [esp + 0x14]
push edi
push 0
push 0xffffffffffffffff
lea eax, [esp + 0xd84]
push eax
push ecx
call fcn.00475240
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10d6c
ret 0x10