format PE console
entry start
include 'C:\fasm\include\win32ax.inc'
section '.idata' import data readable
 library kernel,'kernel32.dll', msvcrt,'msvcrt.dll', User32,'User32.dll'
       import kernel, ExitProcess,'ExitProcess'
  import msvcrt, printf,'printf'
    import User32, wsprintf,'wsprintfA'
section '.data' data readable writeable
  strInteger db '%d', 13, 10 , 0
    strBuffer rb 64
     a_msg db 'a: ', 0
section '.code' code readable executable
start:
 mov eax, -22
        mov ebx, 10
 xor edx, edx
        div ebx
     mov esi, eax
        ccall [wsprintf], strBuffer, strInteger, esi
        ccall [printf], a_msg
       ccall [printf], strBuffer
   stdcall [ExitProcess],0