| 摘要 |
A reading/writing method for displaying an input image. M data sets of the input image are written into a first memory buffer at a first line scanning path. The M data sets are then read from the first memory buffer at a zig-zag scanning path to serve as a read-out sequence of data sets. The read-out sequence of data sets is written into to a second memory buffer at the zig-zag scanning path. The read-out sequence of data sets is read from the second memory buffer at a second line scanning path to display the input image in a rotating form.
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