Nios系统, 加入了VGA控制器和USB鼠标控制器-Nios system, add a VGA controller and the USB mouse controller

多媒体控制器整个工程文件，包括C工程，PCB，说明书，主要涉及了IAP，音量控制，视频切换，VGA信号切换，分配-Multimedia controller, the project documents, including the C project, PCB, instructions, mainly related to the IAP, volume control, video switching, VGA signal switching and distribution

altera fpga platfor in vga and lcd controller