| 摘要 |
In a scanning line converting operation, an image signal is processed through a system including memories, switches, arithmetic circuits, an adder, a subtracter and a switch. In a graphic process, coordinate data processed by a parameter generator and a drawing unit is subjected to a coordinate converting calculation by the arithmetic circuits and supplied to an address generator. Based on an address generated by the address generator, a texture model, which has been stored in a memory under control of a CPU, is read out and supplied to a synthesizing circuit. In the synthesizing circuit, the texture model is attached to a polygon output from a drawing unit.
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