Function at 0x43fa40
Capabilities:
Check if file exists
Get file attributes
Set current directory

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
mov eax, 0x21a6c
call fcn.004a4980
cmp dword [0x4d1680], 4
mov eax, ecx
mov ecx, dword [0x4d3d98]
push ebx
push esi
push edi
mov dword [esp + 0x14], eax
mov dword [esp + 0x10], ecx
jl 0x43fa88
push 0x4ac22c
push 0
push str.The_maximum_number_of_File_Dialogs_has_been_reached.
mov ecx, eax
call fcn.0042d1e0
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x10
push 0x1fffe
lea eax, [esp + 0x1a7c]
push 0
push eax
call fcn.0048ce40
mov eax, dword [ebp + 0xc]
add esp, 0xc
test eax, eax
je 0x43fba5
cmp word [eax], 0
je 0x43fba5
push 0x103
push eax
lea eax, [esp + 0x78]
push eax
call fcn.00497e59
add esp, 0xc
xor eax, eax
mov word [esp + 0x276], ax
lea eax, [esp + 0x70]
push 3
push 0x4c69e4
push eax
call fcn.00496b13
add esp, 0xc
test eax, eax
sete bl
test eax, eax
lea eax, [esp + 0x70]
jne 0x43fb30
push 0x7d
push eax
call fcn.0048c759
add esp, 8
test eax, eax
je 0x43fbac
cmp word [eax + 2], 0
je 0x43fbac
lea ecx, [esp + 0x70]
lea edx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x43fb17
sub ecx, edx
sar ecx, 1
cmp word [esp + ecx*2 + 0x6e], 0x5c
je 0x43fbac
jmp 0x43fb40
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
je 0x43fb40
test al, 0x10
jne 0x43fbac
lea eax, [esp + 0x70]
push 0x5c
push eax
call fcn.0048ca9c
mov esi, eax
add esp, 8
test esi, esi
je 0x43fb7d
push 0xfffe
lea ecx, [esi + 2]
push ecx
lea eax, [esp + 0x1a80]
push eax
call fcn.00497e59
add esp, 0xc
xor eax, eax
mov word [esp + 0x21a74], ax
mov word [esi], ax
jmp 0x43fbac
test bl, bl
jne 0x43fbac
push 0xfffe
lea eax, [esp + 0x74]
push eax
lea eax, [esp + 0x1a80]
push eax
call fcn.00497e59
add esp, 0xc
xor eax, eax
mov word [esp + 0x21a74], ax
xor eax, eax
mov word [esp + 0x70], ax
mov eax, dword [ebp + 0x10]
test eax, eax
je 0x43fbdb
cmp word [eax], 0
je 0x43fbdb
push 0x3ff
push eax
lea eax, [esp + 0x1280]
push eax
call fcn.00497e59
add esp, 0xc
xor eax, eax
mov word [esp + 0x1a76], ax
jmp 0x43fbfb
push dword [0x4d499c]
lea eax, [esp + 0x127c]
push str.Select_File____s
push 0x400
push eax
call fcn.00472ce0
add esp, 0x10
push 0x800
lea eax, [esp + 0xa7c]
push 0
push eax
call fcn.0048ce40
add esp, 0xc
lea eax, [esp + 0x278]
push 0x800
push 0
push eax
call fcn.0048ce40
mov esi, dword [ebp + 0x14]
add esp, 0xc
cmp word [esi], 0
je 0x43fc99
push 0x28
push esi
call fcn.0048c759
add esp, 8
push 0x3ff
test eax, eax
je 0x43fcd9
add eax, 2
push eax
lea eax, [esp + 0x280]
push eax
call fcn.00497e59
add esp, 0xc
xor eax, eax
mov word [esp + 0xa76], ax
lea eax, [esp + 0x278]
push 0x29
push eax
call fcn.0048ca9c
add esp, 8
test eax, eax
je 0x43fc85
xor ecx, ecx
mov word [eax], cx
jmp 0x43fcf4
xor eax, eax
mov word [esp + 0x278], ax
xor eax, eax
mov word [esp + 0xa78], ax
push 0x58
lea eax, [esp + 0x1c]
push 0
push eax
call fcn.0048ce40
mov ecx, dword [0x4ce8c8]
add esp, 0xc
mov dword [esp + 0x18], 0x58
lea ecx, [ecx + 0x4c]
call fcn.0045aa00
test eax, eax
je 0x43fd4f
mov eax, dword [0x4ce8c8]
mov eax, dword [eax + 0x4c]
mov eax, dword [eax + 4]
mov dword [esp + 0x1c], eax
jmp 0x43fd57
lea eax, [esp + 0x27c]
push esi
push eax
call fcn.00497e59
add esp, 0xc
xor eax, eax
mov word [esp + 0xa76], ax
cmp word [esp + 0x278], 0
je 0x43fc8f
push 0
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push 1
push 0x4ac22c
mov edx, 0x4c48a4
lea ecx, [esp + 0x290]
call fcn.004734a0
push 0
push 0
push 0
lea eax, [esp + 0x29c]
push eax
push 0
push esi
push str._s_c_s_cAll_Files__.__c._c
lea eax, [esp + 0xaac]
push 0x400
push eax
call fcn.00472ce0
add esp, 0x3c
jmp 0x43fc99
mov dword [esp + 0x1c], 0
cmp word [esp + 0xa78], 0
lea eax, [esp + 0x1278]
mov esi, dword [ebp + 8]
mov ecx, str.All_Files__._
mov dword [esp + 0x48], eax
lea eax, [esp + 0xa78]
cmove eax, ecx
mov dword [esp + 0x38], 0xfffe
mov dword [esp + 0x24], eax
xor ecx, ecx
cmp word [esp + 0x70], cx
lea eax, [esp + 0x1a78]
movzx edi, word [esi]
mov dword [esp + 0x34], eax
lea eax, [esp + 0x70]
cmove eax, ecx
mov byte [esp + 0xf], cl
xor bh, bh
mov dword [esp + 0x44], eax
test edi, 0xffffff80
je 0x43fdbb
xor eax, eax
jmp 0x43fdc6
push 2
push edi
call fcn.00491ac4
add esp, 8
mov ecx, edi
and ecx, 0xffffffdf
test eax, eax
cmove ecx, edi
cmp ecx, 0x4d
je 0x43fde1
cmp ecx, 0x53
jne 0x43fde6
mov byte [esp + 0xf], 1
jmp 0x43fde3
mov bh, 1
add esi, 2
mov ecx, esi
call fcn.0040ded0
test al, al
je 0x43fe00
push 0x10
push 0
push esi
call fcn.00492e76
add esp, 0xc
jmp 0x43fe09
push esi
call fcn.00492a15
add esp, 4
mov ecx, eax
mov edx, 0x180004
test cl, 0x20
mov eax, 0x80004
cmovne eax, edx
mov dword [esp + 0x4c], eax
test cl, 0x10
je 0x43fe2b
or eax, 2
mov dword [esp + 0x4c], eax
test cl, 8
je 0x43fe39
or eax, 0x2000
mov dword [esp + 0x4c], eax
test bh, bh
jne 0x43fe42
test cl, 4
je 0x43fe4b
or eax, 0x200
mov dword [esp + 0x4c], eax
test cl, 2
je 0x43fe59
or eax, 0x800
mov dword [esp + 0x4c], eax
test cl, 1
je 0x43fe67
or eax, 0x1000
mov dword [esp + 0x4c], eax
call fcn.00478200
push 0
push 0x403
push 0x44
push dword [0x4d1684]
mov bl, al
call dword [sym.imp.USER32.dll_PostMessageW]
inc dword [0x4d1680]
cmp byte [esp + 0xf], 0
jne 0x43feac
mov eax, dword [esp + 0x4c]
test al, 2
je 0x43fe9f
test eax, 0x2000
je 0x43feac
lea eax, [esp + 0x18]
push eax
call dword [sym.imp.COMDLG32.dll_GetOpenFileNameW]
jmp 0x43feb7
lea eax, [esp + 0x18]
push eax
call dword [sym.imp.COMDLG32.dll_GetSaveFileNameW]
dec dword [0x4d1680]
mov esi, eax
mov ecx, dword [0x4ce8c8]
test bl, bl
sete al
mov byte [ecx + 0xee], bl
mov byte [ecx + 0xec], al
cmp word [0x4d1460], 0
je 0x43feeb
push 0x4d1460
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryW]
push 1
push 0
push 0xffffffffffffffff
test esi, esi
jne 0x43ff64
mov ecx, dword [esp + 0x1c]
push esi
call fcn.00475930
cmp eax, 1
je 0x43ff0f
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x10
call dword [sym.imp.COMDLG32.dll_CommDlgExtendedError]
test eax, eax
je 0x43ff45
mov eax, dword [0x4ce8c8]
cmp byte [eax + 0x108], 0
je 0x43ff45
mov ecx, dword [esp + 0x14]
push 0x4ac22c
push 0
push 0x4bf994
call fcn.0042cf00
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x10
mov ecx, dword [0x4d166c]
push 1
push 0
push 0xffffffffffffffff
push 0x4bf994
call fcn.00475930
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x10
mov ecx, dword [0x4d166c]
push 0x4ac300
call fcn.00475930
test dword [esp + 0x4c], 0x200
je 0x44008a
test bh, bh
je 0x44005c
lea ecx, [esp + 0x1a78]
lea edx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x43ff94
sub ecx, edx
lea eax, [esp + 0x1a78]
sar ecx, 1
cmp word [esp + ecx*2 + 0x1a7a], 0
jne 0x44002e
push 0x5c
push eax
call fcn.0048ca9c
mov esi, eax
add esp, 8
test esi, esi
je 0x44008a
mov eax, 0xa
mov ecx, esi
mov word [esi], ax
lea eax, [esp + 0x1a78]
sub ecx, eax
and ecx, 0xfffffffe
cmp ecx, 4
jne 0x44008a
cmp word [esi - 2], 0x3a
jne 0x44008a
mov ecx, esi
lea edx, [ecx + 2]
nop dword [eax]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x440000
sub ecx, edx
sar ecx, 1
lea eax, [ecx*2 + 2]
push eax
lea eax, [esi + 2]
push esi
push eax
call fcn.0048cfe0
mov eax, 0x5c
add esp, 0xc
mov word [esi], ax
jmp 0x44008a
movzx ecx, word [esp + 0x1a78]
mov edx, 0xa
nop dword [eax + eax]
test cx, cx
je 0x44004e
add eax, 2
cmp word [eax], 0
jne 0x440045
cmp word [eax + 2], 0
je 0x44008a
mov word [eax], dx
mov ecx, edx
jmp 0x440040
movzx ecx, word [esp + 0x1a78]
lea eax, [esp + 0x1a78]
mov edx, 0xa
test cx, cx
je 0x44007e
add eax, 2
cmp word [eax], 0
jne 0x440075
mov word [eax], dx
mov ecx, edx
cmp word [eax + 2], 0
jne 0x440070
mov ecx, dword [esp + 0x10]
lea eax, [esp + 0x1a78]
push 1
push 0
push 0xffffffffffffffff
push eax
call fcn.00475930
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x10