.386
.model flat, stdcall
option casemap :none
include \masm32\include\windows.inc
include \masm32\include\user32.inc
include \masm32\include\kernel32.inc
includelib \masm32\lib\user32.lib
includelib \masm32\lib\kernel32.lib
.data 
boro    db "dir.txt", 0
diry    db "*.*",0 
wfd     WIN32_FIND_DATA <>
.data?
handle  dd ?
fhand   dd ?
bytwrit dd ?
.code 
start:
invoke DeleteFile, ADDR boro
invoke CreateFile, ADDR boro, GENERIC_WRITE, 0, 0, CREATE_NEW, 0, 0
mov fhand, eax
invoke FindFirstFile,addr diry,addr wfd
mov handle, eax
invoke lstrlen, ADDR wfd.cFileName
mov word ptr [wfd.cFileName+eax], 0a0dh
add eax, 2
invoke WriteFile, fhand, ADDR wfd.cFileName, eax, ADDR bytwrit, 0
@@:
invoke FindNextFile, handle, ADDR wfd
cmp eax, 0
je @F
invoke lstrlen, ADDR wfd.cFileName
mov word ptr [wfd.cFileName+eax], 0a0dh
add eax, 2
invoke WriteFile, fhand, ADDR wfd.cFileName, eax, ADDR bytwrit, 0
jmp @B
@@:
invoke CloseHandle, fhand
invoke ExitProcess, 0
end start