int video_test_move(char *xpm[], unsigned short xi, unsigned short yi, unsigned short xf, unsigned short yf, short s, unsigned short f) {

	//--------------------------
	// EXIT
	//-----------------------------------------------------
	int timer_irq=timer_subscribe_int();
	int kbd_irq=kbc_subscribe_int();

	int ipc_status;
	message msg;
	int r;
	int counter = 0;
	unsigned long scancode;
	double velocity = s;
	//double distance = sqrt(xi*xi + yi*yi);
	//double time = distance/velocity;
	double time = 3;

	if(kbd_irq>=0){
		kbd_irq=BIT(kbd_irq);
	} else {
		printf("Error in video_test_square::kbc_subscribe_int()\n");
		return 1;
	}


	if(timer_irq>=0){
		timer_irq=BIT(timer_irq);
	} else {
		printf("Error in timer_test_int::timer_subscribe_int()\n");
		return 1;
	}
	//-----------------------------------------------------------


	if(vg_init(0x105) == NULL){
		printf("Cannot initialize in graphics mode 0x105");
		return 1;
	}


	//--------------------------------------------
	// EXIT ON ESC
	//------------------------------------------------------------

	while(counter < (time*60) && scancode != BREAKCODE_ESC) {
		/* Get a request message. */
		if ( (r = driver_receive(ANY, &msg, &ipc_status)) != 0 ) {
			printf("driver_receive failed with: %d", r);
			continue;
		}
		if (is_ipc_notify(ipc_status)) { /* received notification */
			switch (_ENDPOINT_P(msg.m_source)) {
			case HARDWARE: /* hardware interrupt notification */

				if (msg.NOTIFY_ARG & timer_irq) { /* subscribed interrupt - timer */

					counter++;
					if(counter%2==0){ //30 frames per second
						xi += velocity / 30;
						yi += velocity / 30;
					}
					if(xi < xf && yi < yf)
						vg_draw_xpm(xpm, xi, yi);
				}

				if (msg.NOTIFY_ARG & kbd_irq) { /* subscribed interrupt - keyboard */
					scancode=kbc_read();
				}

				break;
			default:
				break; /* no other notifications expected: do nothing */
			}
		} else { /* received a standard message, not a notification */
						/* no standard messages expected: do nothing */
		}
	}



	vg_exit();

	//Unsubscribe timer 0 interrupts
	if( timer_unsubscribe_int()){
		printf("Unsubscribe failed\n In kbd_test_timed_scan::timer_unsubscribe_int()\n");
		return 1;
	}

	//Unsubscribe kbd interrupts
	if(kbc_unsubscribe_int()){
		printf("Unsubscribe failed\n In kbd_test_scan::kbc_unsubscribe_int()\n");
		return 1;
	}

	return 0;

}