| 摘要 |
<p>PURPOSE:To surely write the area of data in an area desired to fetch within a fetch range. CONSTITUTION:A mode control part 1 makes a video signal in a cursor display area fetch in memory 7 via a memory controller 6, and sends a signal to instruct the moving direction of a cursor to a cursor moving means 2, and the cursor moving means 2 sends cursor display signals representing the horizontal and vertical directions of the cursor to be displayed on a cursor display means 3. The cursor display means 3 sends the cursor display signal to a mixing circuit 4. and the mixing circuit 4 outputs by mixing the video signal sent out from a video signal processing circuit 5 with the cursor display signal. The cursor is displayed on a CRT based on a mixed video signal.</p> |
