51單片機八路搶答器

正文摘要:

#include<reg51.h> sbit DIN=P3^0;//??max7219?????? sbit LOAD=P3^1; sbit CLK=P3^2; sbit S1=P3^6; sbit key0=P1^0;//8·?????????? sbit key1=P1^1; sbit key2=P1^2; sbit key3=P1^3; sbit key4=P1^4; s ...