通讯实验程序。用到了IIC，SPI，UART和相应的中断，上位机通过UART将数据发送至主机，主机通过LED显示数据并将数据发送至从机，从机接收后通过SPI发送回主机。并再次显示数据。-communications experimental procedure. Use the IIC, SPI, UART and the corresponding disruption PC through UART send data to the mainframe, mainframe data thr

用汇编写的动画显示程序，飞机起飞扔炸弹炸死敌人！-Used to write a compilation of animation display program, throw the bomb killed an enemy plane!