| 摘要 |
To display a horizontally oblong movie on a vertically oblong display portion, the movie may be displayed with being rotated 90 degrees by a CPU while the display portion is held in an orientation where the display portion is wider than tall. Since this arrangement puts a heavy load on the CPU, the mobile terminal according to the invention is adapted to implement the movie rotation by processings in the display portion. More specifically, an image memory in the display portion has a foursquare figure each side of which has a length the same as a longer side of a display panel of the display portion. A picture data is written on the memory in the same direction as a direction in which the picture data is read out to be transferred to the panel by the driver portion, and the driver portion rotates the picture data when transferring it.
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