void create_backward(int dist, int speed)
{
    create_write_byte(145);
    create_write_int(-speed);
    create_write_int(-speed);
    create_wait_dist(-dist);
}
void create_drive_direct_dist(int r_speed, int l_speed, int dist)
{
    create_write_byte(145);
    create_write_int(r_speed);
    create_write_int(l_speed);
    create_wait_dist(dist);
}
void create_forward(int dist, int speed)
{
    create_write_byte(145);
    create_write_int(speed);
    create_write_int(speed);
    create_wait_dist(dist);
}
void create_backward_fast(int dist,int speed)
{
	create_write_byte(145);
	create_write_int(-speed*lSpeedMult/100);
	create_write_int(-speed*rSpeedMult/100);
	create_wait_dist(-dist);
}