Whenever a color is placed on the video display, provided that RTC is a logic 0, the system sends the 8-bit code that represents a color to the D0-D7 connections.
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- 无论何时,当一种颜色被置于视频显示时,假如RTC为逻辑0,系统将代表一种颜色的8位码送入D0-D7。