| 摘要 |
<p>PURPOSE:To move a mouse pointer large without moving a mouse again and to vary the movement quantity of the mouse according to the size of a window. CONSTITUTION:The mouse input device has registers where the size of the window is set, a digital comparator 13, adders 14 and 17, and a relative movement quantity holding counter 15, whose counting value is varied by more than one with a single clock pulse sent from the mouse. Further, the counted value which is advanced with the single clock pulse is made variable to move the mouse pointer according to the size of the window.</p> |
