0.asm

Win32环境下汇编程序开发 M32V8SP1.EXE

.386
.model flat ,stdcall                             ;表示要用到80386指令系统，你也可以使用.486或.586

NULL    equ 0                                    ;常量定义
MB_OK   equ 0

ExitProcess PROTO :DWORD                         ;函数原型定义
MessageBoxA PROTO :DWORD,:DWORD,:DWORD,:DWORD

includelib kernel32.lib                          ;用到的引入库
includelib user32.lib

          .data
szText    db "Hello, world!",0
szCaption db "Win32Asm",0

        .code 
start: 
        push MB_OK
        lea eax,szCaption
        push eax
        lea eax,szText
        push eax
        push NULL
        call messageboxa
        xor eax,eax
        push eax
        call exitprocess
        end start