这个主要是用VHDL语言来实现从xilinxFPGA中的RBOM中读取一幅图像，并通过VGA口显示出来，同时还有加密的功能，按不同的按键可以实现图像颜色转换。-The VHDL language is mainly used in the RBOM from a xilinxFPGA to read an image, and displayed through the VGA port, as well as the function