.386
.model flat,stdcall
option casemap:none
include windows.inc
include user32.inc
include kernel32.inc
includelib user32.lib
includelib kernel32.lib
.data
szFin db '\in.txt',0
szOut db '\out.txt',0

.data?
dwNum dd ?
hFile dd ?
hFileOut dd ?
dwFread dd ?
szRead db 4096 dup (?)
szWrite db 4096 dup (?)
szBuffer db 260 dup (?)
szOutFile db 260 dup (?)
szTemp db 260 dup (?)
.const

.code

start:
invoke GetCurrentDirectory,260,addr szBuffer
invoke lstrcpy,addr szOutFile,addr szBuffer
invoke lstrcat,addr szOutFile,addr szOut
invoke lstrcat,addr szBuffer,addr szFin

invoke CreateFile,addr szBuffer,GENERIC_ALL,FILE_SHARE_WRITE or FILE_SHARE_READ,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL
.if eax==-1
  jmp EExit
.endif
 mov hFile,eax

 invoke ReadFile,hFile,addr szRead,4000,addr dwFread,NULL
 lea esi,szRead
 add esi,dwFread ;dwFread 实际读取的数
 lea edi,szWrite 
 lea ebx,szTemp
 mov ecx,dwFread
 mov dwNum,0
cover:
   mov al,BYTE PTR [esi]
   cmp al,0ah
   jz xx
   cmp al,0dh
   jz yy
   mov BYTE PTR [ebx],al
   inc dwNum
zz: 
   inc ebx
   dec esi
 loop cover

 
invoke CreateFile,addr szOutFile,GENERIC_READ or GENERIC_WRITE,FILE_SHARE_WRITE or FILE_SHARE_READ,NULL,OPEN_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL
.if eax==-1
  jmp EExit
.endif
mov hFileOut,eax
invoke WriteFile,hFileOut,addr szWrite,dwFread,addr dwFread,NULL 
 
EExit:
invoke CloseHandle,hFile
invoke CloseHandle,hFileOut
invoke ExitProcess,NULL

   xx:
      push ecx
        mov ecx,dwNum
          hh:mov al,BYTE PTR [ebx]
             mov BYTE PTR [edi],al
             dec ebx
             inc edi
          loop hh
      mov BYTE PTR [edi],0dh
      inc edi
      pushad
      invoke RtlZeroMemory,addr szTemp,260
      popad
      lea ebx,szTemp
      pop ecx      
      mov dwNum,0
   jmp zz
   yy:
   mov BYTE PTR [edi],0ah
   inc edi
   lea ebx,szTemp
   jmp zz


end start