.386
.model flat,stdcall
option casemap:none
;include 定义
include windows.inc
include gdi32.inc
includelib gdi32.lib
include user32.inc
includelib user32.lib
include kernel32.inc
includelib kernel32.lib
;数据段
.data? ;变量声明
hInstance dd ?
hWinMain dd ?
.const;常量声明
szClassName db 'MyClass',0
szCptionMain db 'myfirstwindow!',0
szText db 'win32 assembly,simpler and powerful',0
;代码段
.code
;函数过程
_ProcWinMain proc uses ebx edi esi ,hWnd,uMsg,wParam,lParam
local @stPs:PAINTSTRUCT
local @stRect:RECT
local @hDc
mov eax,uMsg
.if eax == WM_PAINT
invoke BeginPaint,hWnd,addr @stPs
mov @hDc,eax
invoke GetClientRect,hWnd,addr @stRect
invoke DrawText,@hDc,addr szText,-1,\
addr @stRect,\
DT_SINGLELINE or DT_CENTER or DT_VCENTER
invoke EndPaint,hWnd,addr @stPs
.elseif eax == WM_CLOSE
invoke DestroyWindow,hWinMain
invoke PostQuitMessage,NULL
.else
invoke DefWindowProc,hWnd,uMsg,wParam,lParam
ret
.endif
xor eax,eax
ret
;_ProcWinMain函数结束
_ProcWinMain endp
; _WinMain子函数
_WinMain proc
local @stWndClass:WNDCLASSEX
local @stMsg:MSG
invoke GetModuleHandle,NULL
mov hInstance,eax
invoke RtlZeroMemory,addr @stWndClass,sizeof @stWndClass
;注册窗口类
invoke LoadCursor,0,IDC_ARROW
mov @stWndClass.hCursor,eax
push hInstance
pop @stWndClass.hInstance
mov @stWndClass.cbSize,sizeof WNDCLASSEX
mov @stWndClass.style,CS_HREDRAW or CS_VREDRAW
mov @stWndClass.lpfnWndProc,offset _ProcWinMain
mov @stWndClass.hbrBackground,COLOR_WINDOW+1
mov @stWndClass.lpszClassName,offset szClassName
invoke RegisterClassEx,addr @stWndClass
;建立并显示窗口
invoke CreateWindowEx,WS_EX_CLIENTEDGE,\
offset szClassName, offset szCptionMain,\
WS_OVERLAPPEDWINDOW,\
100,100,600,400,\
NULL,NULL,hInstance,NULL
mov hWinMain,eax
invoke ShowWindow,hWinMain,SW_SHOWNORMAL
invoke UpdateWindow,hWinMain
;消息循环
.while TRUE
invoke GetMessage,addr @stMsg,NULL,0,0
.break .if eax==0
invoke TranslateMessage,addr @stMsg
invoke DispatchMessage,addr @stMsg
.endw
ret
;函数结束
_WinMain endp
;程序入口
start:
call _WinMain
invoke ExitProcess,NULL
end start
