CSC8303 -- Bioinformatics Programming in Java

 format PE GUI
 entry start

 section '.code' code readable executable

     start:

         push   0
         push   _caption
         push   _message
         push   0
         call   [MessageBox]

         push   0
         call   [ExitProcess]

 section '.data' data readable writeable

   _caption db 'Win32 assembly program',0
   _message db 'Hello, world!',0

 section '.idata' import data readable writeable

   dd 0,0,0,RVA kernel_name,RVA kernel_table
   dd 0,0,0,RVA user_name,RVA user_table
   dd 0,0,0,0,0

  kernel_table:
     ExitProcess dd RVA _ExitProcess
     dd 0
  user_table:
     MessageBox dd RVA _MessageBoxA
     dd 0

  kernel_name db 'KERNEL32.DLL',0
  user_name db 'USER32.DLL',0

  _ExitProcess dw 0
     db 'ExitProcess',0
  _MessageBoxA dw 0
     db 'MessageBoxA',0

 section '.reloc' fixups data readable discardable