.386 .model flat,stdcall .stack 4096 ExitProcess PROTO,dwExitCode:DWORD MessageBoxA PROTO :DWORD,:DWORD,:DWORD,:DWORD .data lptext BYTE "消息",0 lpcaption BYTE "标题",0 .code main PROC invoke MessageBoxA, 0, OFFSET lptext, OFFSET lpcaption,0 INVOKE ExitProcess,0 main ENDP END main