.model small .code org 100h start: mov ax, 12h int 10h push 0a000h pop es mov dx, 3c5h mov al, 2 out dx, AL inc dx mov al, 07h out dx, al or ah, 00100100b mov es:[0], ah mov ah, 08h int 21h mov ax, 3h int 10h int 20h end start
