| 摘要 |
<p>PURPOSE:To write correct data even if a drawing process part which writes graphic data in a frame memory is given plural drawing requests. CONSTITUTION:The drawing process part 105 is provided with a 1st register 103, a 2nd register 104, and plural registers. At the drawing requests from a drawing request part 102, those registers 103 and 104 hold respective environment data. An address decoding part 106 selects the registers indicating the environment of writing to a frame memory part 101 by the drawing process part 105 according to the addresses where the drawing requests are generated.</p> |
