Function at 0x43ef90
Capabilities:
Check if file exists
Get file attributes
Set current directory

Disassembly:
mov eax, 0x10d6c
call fcn.00491ff0
cmp dword [0x4ab43c], 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 [0x4ab1e8]
mov dword [esp + 0x14], ecx
jl 0x43efe6
mov ecx, dword [esp + 0x10d80]
push 0x499861
push 0
push str.The_maximum_number_of_File_Dialogs_has_been_reached.
call fcn.0042db20
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 0x43f0e7
cmp byte [eax], bl
je 0x43f0e7
push 0x103
push eax
lea edx, [esp + 0x78]
push edx
call fcn.004887c0
add esp, 0xc
push 3
lea eax, [esp + 0x74]
push 0x49ef9c
push eax
mov byte [esp + 0x17f], bl
call fcn.00487aea
add esp, 0xc
test eax, eax
sete al
mov byte [esp + 0x12], al
cmp al, bl
je 0x43f073
lea ecx, [esp + 0x70]
push 0x7d
push ecx
call fcn.00486811
add esp, 8
cmp eax, ebx
je 0x43f0eb
cmp byte [eax + 1], bl
je 0x43f0eb
lea eax, [esp + 0x70]
lea edx, [eax + 1]
mov cl, byte [eax]
inc eax
cmp cl, bl
jne 0x43f061
sub eax, edx
cmp byte [esp + eax + 0x6f], 0x5c
jne 0x43f087
jmp 0x43f0eb
lea edx, [esp + 0x70]
push edx
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
je 0x43f087
test al, 0x10
jne 0x43f0eb
lea eax, [esp + 0x70]
push 0x5c
push eax
call fcn.00487bae
mov esi, eax
add esp, 8
cmp esi, ebx
je 0x43f0c0
push 0xfffe
lea ecx, [esi + 1]
push ecx
lea edx, [esp + 0xd80]
push edx
call fcn.004887c0
mov byte [esp + 0x10d82], bl
add esp, 0xc
mov byte [esi], bl
jmp 0x43f0eb
cmp byte [esp + 0x12], bl
jne 0x43f0eb
push 0xfffe
lea eax, [esp + 0x74]
push eax
lea ecx, [esp + 0xd80]
push ecx
call fcn.004887c0
add esp, 0xc
mov byte [esp + 0x10d76], bl
mov byte [esp + 0x70], bl
cmp edi, ebx
je 0x43f112
cmp byte [edi], bl
je 0x43f112
push 0x3ff
lea edx, [esp + 0x97c]
push edi
push edx
call fcn.004887c0
add esp, 0xc
mov byte [esp + 0xd77], bl
jmp 0x43f131
mov eax, dword [0x4ac994]
push eax
push str.Select_File____s
mov esi, 0x400
lea edi, [esp + 0x980]
call fcn.00472920
add esp, 8
mov byte [esp + 0x578], bl
mov byte [esp + 0x178], bl
cmp byte [ebp], bl
je 0x43f199
push 0x28
push ebp
call fcn.00486811
add esp, 8
push 0x3ff
cmp eax, ebx
je 0x43f1d5
inc eax
push eax
lea ecx, [esp + 0x180]
push ecx
call fcn.004887c0
add esp, 0xc
lea edx, [esp + 0x178]
push 0x29
push edx
mov byte [esp + 0x57f], bl
call fcn.00487bae
add esp, 8
cmp eax, ebx
je 0x43f18b
mov byte [eax], bl
jmp 0x43f1ed
mov byte [esp + 0x178], bl
mov byte [esp + 0x578], bl
push 0x54
lea eax, [esp + 0x20]
push ebx
push eax
call fcn.0048ecf0
mov ebx, dword [0x4a7978]
add esp, 0xc
add ebx, 0x4c
mov dword [esp + 0x18], 0x58
call fcn.0045a250
test eax, eax
je 0x43f242
mov ecx, dword [0x4a7978]
mov edx, dword [ecx + 0x4c]
mov eax, dword [edx + 4]
mov dword [esp + 0x1c], eax
jmp 0x43f24a
lea eax, [esp + 0x17c]
push ebp
push eax
call fcn.004887c0
add esp, 0xc
mov byte [esp + 0x577], bl
cmp byte [esp + 0x178], bl
je 0x43f192
push ebx
push 0xffffffffffffffff
push 1
push 0x499861
lea ecx, [esp + 0x188]
push 0x49d8b0
push ecx
xor eax, eax
or ecx, 0xffffffff
call fcn.004730e0
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.00472920
add esp, 0x34
jmp 0x43f199
mov dword [esp + 0x1c], 0
cmp byte [esp + 0x578], 0
lea ecx, [esp + 0x978]
mov dword [esp + 0x48], ecx
je 0x43f26c
lea edx, [esp + 0x578]
mov dword [esp + 0x24], edx
jmp 0x43f274
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 0x43f2c9
push 2
push eax
call fcn.00486d5e
add esp, 8
test eax, eax
je 0x43f2c9
and bl, 0xdf
cmp bl, 0x4d
je 0x43f2da
cmp bl, 0x53
jne 0x43f2e0
mov byte [esp + 0x12], 1
jmp 0x43f2df
mov byte [esp + 0x13], 1
inc esi
mov eax, esi
call fcn.0040d590
test al, al
je 0x43f2fa
push 0x10
push 0
push esi
call fcn.004871f6
add esp, 0xc
jmp 0x43f303
push esi
call fcn.00486da6
add esp, 4
mov dword [esp + 0x4c], 0x80004
test al, 0x20
je 0x43f317
mov dword [esp + 0x4c], 0x180004
test al, 0x10
je 0x43f320
or dword [esp + 0x4c], 2
test al, 8
je 0x43f32c
or dword [esp + 0x4c], 0x2000
cmp byte [esp + 0x13], 0
mov ebp, 0x200
jne 0x43f33c
test al, 4
je 0x43f340
or dword [esp + 0x4c], ebp
test al, 2
je 0x43f34c
or dword [esp + 0x4c], 0x800
test al, 1
je 0x43f358
or dword [esp + 0x4c], 0x1000
call fcn.00477f50
push 0
push 0x403
mov bl, al
mov eax, dword [0x4ab2a0]
push 0x44
push eax
call dword [sym.imp.USER32.dll_PostMessageA]
mov edi, 1
add dword [0x4ab43c], edi
cmp byte [esp + 0x12], 0
jne 0x43f3a2
mov eax, dword [esp + 0x4c]
test al, 2
je 0x43f395
test eax, 0x2000
je 0x43f3a2
lea ecx, [esp + 0x18]
push ecx
call dword [sym.imp.COMDLG32.dll_GetOpenFileNameA]
jmp 0x43f3ad
lea edx, [esp + 0x18]
push edx
call dword [sym.imp.COMDLG32.dll_GetSaveFileNameA]
sub dword [0x4ab43c], edi
test bl, bl
mov esi, eax
mov eax, dword [0x4a7978]
sete cl
mov byte [eax + 0xce], bl
mov byte [eax + 0xcc], cl
cmp byte [0x4abaa8], 0
je 0x43f3df
push 0x4abaa8
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryA]
test esi, esi
jne 0x43f445
mov ecx, dword [esp + 0x14]
call fcn.004134d0
cmp eax, edi
je 0x43f3ff
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 0x43f423
mov edx, dword [esp + 0x10d80]
push edx
call fcn.004300c0
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10d6c
ret 0x10
mov eax, dword [0x4abaa0]
push edi
push 0
push 0xffffffffffffffff
push 0x49ae68
push eax
call fcn.004756d0
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10d6c
ret 0x10
mov ecx, dword [0x4abaa0]
push edi
push 0
push 0xffffffffffffffff
push 0x49987c
push ecx
call fcn.004756d0
test dword [esp + 0x4c], ebp
je 0x43f520
cmp byte [esp + 0x13], 0
lea eax, [esp + 0xd78]
je 0x43f507
lea edx, [eax + 1]
lea ebx, [ebx]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x43f480
sub eax, edx
cmp byte [esp + eax + 0xd79], cl
jne 0x43f4e3
lea edx, [esp + 0xd78]
push 0x5c
push edx
call fcn.00487bae
mov esi, eax
add esp, 8
test esi, esi
je 0x43f520
lea ecx, [esp + 0xd78]
sub eax, ecx
mov byte [esi], 0xa
cmp eax, 2
jne 0x43f520
cmp byte [esi - 1], 0x3a
jne 0x43f520
mov eax, esi
lea edx, [eax + 1]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x43f4c6
sub eax, edx
inc eax
push eax
lea edx, [esi + 1]
push esi
push edx
call fcn.00486400
add esp, 0xc
mov byte [esi], 0x5c
jmp 0x43f520
lea eax, [esp + 0xd78]
lea ebx, [ebx]
cmp byte [eax], 0
je 0x43f4fc
add eax, edi
cmp byte [eax], 0
jne 0x43f4f5
cmp byte [eax + 1], 0
je 0x43f520
mov byte [eax], 0xa
jmp 0x43f4f0
cmp byte [eax], 0
je 0x43f517
lea esp, [esp]
add eax, edi
cmp byte [eax], 0
jne 0x43f510
cmp byte [eax + 1], 0
mov byte [eax], 0xa
jne 0x43f507
mov ecx, dword [esp + 0x14]
push edi
push 0
push 0xffffffffffffffff
lea eax, [esp + 0xd84]
push eax
push ecx
call fcn.004756d0
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10d6c
ret 0x10