| 摘要 |
<P>PROBLEM TO BE SOLVED: To extend an accessible period to a display memory of a drawing system and reduce waiting time for drawing to improve performance. <P>SOLUTION: A display data readout control unit 124 creates an address for a display memory (VRAM11) in which display output data is stored only for a display plane requiring synthesis of display output data that is programmably set in a control register 127, and controls to read display data out to a frame buffer 125. <P>COPYRIGHT: (C)2013,JPO&INPIT |
