在dos下写的汇编程序。通过串口控制实验板上的矩阵键盘进行操作，模拟跳舞机，并由LED数码管显示。-When the program starts, the LED digital display the word "HELLO" waiting for players to press any key to start dancing. After the start of the game, alternating the left of the two digital tube display random direction ...