.model small
.stack
.data
.code

start:
	mov ax,3
	int 10h

hor_line:
	mov ax,0b800h
	mov es,ax

	mov di,1600
	mov al,' '
	mov ah,10011111b
	mov cx,80
	cik1:
		mov es:[di],ax
		add di,2
		loop cik1

vert_line:
	mov ax,0b800h
	mov es,ax

	mov di,20
	mov al,' '
	mov ah,10101111b
	mov cx,25
	cik2:
		mov es:[di],ax
		add di,160
		loop cik2

down_line:

	mov di,50
	mov al,' '
	mov ah,10111111b
	mov cx,25
	cik3:
		mov es:[di],ax
		add di,162
		loop cik3

up_line:

	mov di,130
	mov al,' '
	mov ah,11011111b
	mov cx,25
	cik4:
		mov es:[di],ax
		add di,158
		loop cik4

xor	ax,ax
int	16h

the_end:
	mov ax,4c00h
	int 21h

end start