Эмулятор процессора Intel 8086 версия 4.05 (ENG) / asm_files / keybrd.asm

Assembler Source Code a:link {text-decoration: none} a:visited {text-decoration: none} a:hover {text-decoration: none; color:#ff0000}     ; keybrd.asm ; this sample shows the use of keyboard functions. ; try typing something into emulator screen. ; ; keyboard buffer is used, when someone types too fast. ; ; for realistic emulation, run this example at maximum speed ; ; this code will loop until you press esc key, ; all other keys will be printed. name "keybrd" org 100h ; print a welcome message: mov dx, offset msg mov ah, 9 int 21h ;============================ ; eternal loop to get ; and print keys: wait_for_key: ; check for keystroke in ; keyboard buffer: mov ah, 1 int 16h jz wait_for_key ; get keystroke from keyboard: ; (remove from the buffer) mov ah, 0 int 16h ; print the key: mov ah, 0eh int 10h ; press 'esc' to exit: cmp al, 1bh jz exit jmp wait_for_key ;============================ exit: ret msg db 'type anything...', 0Dh,0Ah db '[enter] - carriage return.', 0Dh,0Ah db '[ctrl]+[enter] - line feed.', 0Dh,0Ah db 'you may hear a beep', 0Dh,0Ah db ' when buffer is overflown.', 0Dh,0Ah db 'press esc to exit.', 0Dh,0Ah, '$' end

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