.386
.model flat, stdcall
includelib \masm32\lib\kernel32.lib
ExitProcess proto: DWORD
.code
CSEG segment
org 100h
    start:
        mov ah, 9
        mov dx, offset message
        int 21h
        int 20h

        message db 'hello, world!$'
CSEG end        
    end start