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该文分析了高分辫率图形卡TVGA颜色寄存器的结构,由此得出,利用TVGA卡显示灰度图像,最多只能有64级灰度,而不是256级,并给出了显示灰度图像的编程实例。
This paper analyzes the structure of TVGA color register of high resolution braid graphics card, and draws a conclusion that the gray scale image displayed by TVGA card can only have 64 gray levels instead of 256 levels at most, Image programming examples.