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