32位汇编程序

;编译命令
; ml /coff x86.asm /link /subsystem:windows /entry:main user32.lib kernel32.lib


;标准汇编头
.386
.model flat,stdcall
option casemap:none


; 函数原型声明
MessageBoxA PROTO :dword,:dword,:dword,:dword
ExitProcess PROTO :dword


; 数据段
.data
szTitle db 'Title',0
szCaption db 'Caption',0


; 代码段
.code
main proc
push 0
push offset szTitle
push offset szCaption
push 0
call MessageBoxA

push 0
call ExitProcess

ret
main endp
end