參考資訊:
https://masm32.com/board/index.php
https://www.nasm.us/xdoc/2.13rc9/html/nasmdoc0.html
WM_KEYDOWN、WM_KEYUP是一般鍵盤按鍵事件,而WM_SYSKEYDOWN、WM_SYSKEYUP則是屬於系統按鍵的事件,系統按鍵就是左上角小視窗圖案的那些按鍵命令
WM_KEYDOWN、WM_KEYUP
nVirtKey = (int) wParam; // virtual-key code lKeyData = lParam; // key data
WM_SYSKEYDOWN、WM_SYSKEYUP
nVirtKey = (int) wParam; // virtual-key code lKeyData = lParam; // key data
main.asm
%include "head.asm" segment .text WndProc: push ebp mov ebp, esp cmp dword [ebp + ARG2], WM_KEYDOWN je .handle_keydown cmp dword [ebp + ARG2], WM_SYSKEYDOWN je .handle_keydown cmp dword [ebp + ARG2], WM_CLOSE je .handle_close cmp dword [ebp + ARG2], WM_DESTROY je .handle_destroy jmp .handle_default .handle_keydown: push dword [ebp + ARG3] push FMT_KBD push pBuf call sprintf push pBuf push dword [ebp + ARG1] call SetWindowText xor eax, eax jmp .finish .handle_close: push dword [ebp + ARG1] call DestroyWindow xor eax, eax jmp .finish .handle_destroy: push 0 call PostQuitMessage xor eax, eax jmp .finish .handle_default: push dword [ebp + ARG4] push dword [ebp + ARG3] push dword [ebp + ARG2] push dword [ebp + ARG1] push dword [pDefWndProc] call CallWindowProc .finish: leave ret 16 WinMain: push ebp mov ebp, esp push 0 push 0 push 0 push 0 push 300 push 300 push 0 push 0 push WS_OVERLAPPEDWINDOW | WS_VISIBLE push szAppName push WC_DIALOG push WS_EX_LEFT call CreateWindowEx mov [hWin], eax push WndProc push GWL_WNDPROC push dword [hWin] call SetWindowLong mov [pDefWndProc], eax .loop: push 0 push 0 push 0 push msg call GetMessage cmp eax, 0 je .exit push msg call DispatchMessage jmp .loop .exit: mov eax, [msg + MSG.wParam] leave ret 16 _start: push 0 call GetModuleHandle mov [hInstance], eax call GetCommandLine mov [pCommand], eax push SW_SHOWNORMAL push dword [pCommand] push 0 push dword [hInstance] call WinMain push eax call ExitProcess
Line 18~28:將按鍵數值顯示在視窗標題
完成