| 摘要 |
PURPOSE: A method of controlling a screen position is provided to control the screen position in a diagonal direction so as to allow a user to conveniently control the screen position. CONSTITUTION: Direction keys for controlling a screen position are set, respectively corresponding to diagonal directions. It is checked if one of the direction keys is inputted. When one of the direction keys is inputted, the screen position is moved in the diagonal direction corresponding to the inputted direction key. The direction keys include an up key, a down key, a left key and a right key. The up key corresponds to upward and left directions, and the down key corresponds to downward and right directions. The left key corresponds to left and downward directions, and the right key corresponds to right and upward directions. |
