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长城机提供了较强的图形功能,在CONFIG·SYS文件中,若加有DEVICE=GRD·SYS,则可用GRP 作为输出文件直接在屏幕上作图。键控作图程序如下:
Great Wall Machine provides a strong graphics capabilities, the CONFIG · SYS file, if added DEVICE = GRD · SYS, GRP can be used as an output file directly on the screen mapping. Key mapping program as follows: