A biased arbitration technique utilizes a transpose table to arbitrate access to a shared resource. Systems and methods of acquiring image data of an object may comprise: selectively inducing photoactivation of material at a site on the object; performing an optical axis integration scan; simultaneously executing a time delay integration scan sequence; and processing acquired image data in accordance with one or more desired analyses. Meta-data for some of the digital assets is copied and stored at a central location. The turning member is turned by a driving unit. During the time movement, the player can combine the above action with further action by the player’s other hand.