[asm]win32api

masm32 다운로드

.386
.model flat, stdcall
option casemap :none

include \masm32\include\windows.inc
include \masm32\include\kernel32.inc
include \masm32\include\user32.inc

includelib \masm32\lib\kernel32.lib
includelib \masm32\lib\user32.lib

.data
 HelloWorld db "Hello World!", 0
.code
start:
 invoke MessageBox, NULL, addr HelloWorld, addr HelloWorld, MB_OK
 invoke ExitProcess, 0
end start

ml /c /coff hellowin.asm link /subsystem:windows hellowin.obj