begin asm mov al,01h mov ah,02h mov ch, 00h mov cl, 01h mov dh, 00h mov dl, 00h mov ax,cs mov es,ax {mov ah, 02h mov al, 01h} int 13h mov si,bx mov di,2 mov cx,di lea dx,cx {mov ah,09h lea dx,es int 21h} mov ah,40h int 21h end;