八路抢答器的设计

正文摘要:

原程序 #include<reg51.h> unsigned char dip[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F}; sbit KEY9=P3^1; sbit KEY10=P3^2; sbit BUZZ=P3^0; bit start_key(); bit end_key(); unsigned ...