MASM宏汇编给出代码
时间: 2024-06-13 11:01:37 浏览: 22
MASM是一种宏汇编语言,它可以被用于编写32位和64位的Windows程序。下面是一个简单的MASM宏汇编代码示例:
```
.386
.model flat, stdcall
option casemap:none
include \masm32\include\windows.inc
include \masm32\include\user32.inc
include \masm32\include\kernel32.inc
includelib \masm32\lib\user32.lib
includelib \masm32\lib\kernel32.lib
WinMain proto :DWORD,:DWORD,:DWORD,:DWORD
.data
ClassName db "MyWindowClass",0
AppName db "My Application",0
.data?
hInstance HINSTANCE ?
CommandLine LPSTR ?
hwnd HWND ?
.code
start:
invoke GetModuleHandle, NULL
mov hInstance, eax
invoke GetCommandLine
mov CommandLine, eax
invoke WinMain, hInstance, NULL, CommandLine, SW_SHOWDEFAULT
invoke ExitProcess, eax
WinMain proc hInst:HINSTANCE, hPrevInst:HINSTANCE, CmdLine:LPSTR, CmdShow:DWORD
LOCAL wc:WNDCLASSEX
LOCAL msg:MSG
LOCAL hwnd:HWND
mov wc.cbSize, SIZEOF WNDCLASSEX
mov wc.style, CS_HREDRAW or CS_VREDRAW
mov wc.lpfnWndProc, OFFSET WndProc
mov wc.cbClsExtra, NULL
mov wc.cbWndExtra, NULL
push hInst
pop wc.hInstance
mov wc.hbrBackground, COLOR_WINDOW+1
mov wc.lpszMenuName, NULL
mov wc.lpszClassName, OFFSET ClassName
invoke LoadIcon, NULL, IDI_APPLICATION
mov wc.hIcon, eax
mov wc.hIconSm, eax
invoke LoadCursor, NULL, IDC_ARROW
mov wc.hCursor, eax
invoke RegisterClassEx, addr wc
invoke CreateWindowEx, NULL, OFFSET ClassName, OFFSET AppName, WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL, hInst, NULL
mov hwnd, eax
invoke ShowWindow, hwnd, CmdShow
invoke UpdateWindow, hwnd
MsgLoop:
invoke GetMessage, ADDR msg, NULL, 0, 0
cmp eax, 1
jle ExitLoop
invoke TranslateMessage, ADDR msg
invoke DispatchMessage, ADDR msg
jmp MsgLoop
ExitLoop:
mov eax, msg.wParam
ret
WndProc proc hWnd:HWND, uMsg:UINT, wParam:WPARAM, lParam:LPARAM
cmp uMsg, WM_DESTROY
jne DefWndProc
invoke PostQuitMessage,NULL
DefWndProc:
invoke DefWindowProc,hWnd,uMsg,wParam,lParam
ret
WndProc endp
end start
```
这个示例代码创建了一个简单的Windows窗口,并响应了一些基本的事件。如果你需要了解更多关于MASM宏汇编的知识,可以参考MASM官方文档或者其他在线资源。
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