51单片机+8255交通灯设计

正文摘要:

51单片机简易交通灯设计用8255芯片，C程序 # include<absacc.h> # include<reg51.h> # define PORTA XBYTE[0X7FFC] # define CONTROL XBYTE[0X7FFF] void DELAYLONG(void); void DELAYSHORT(void); vo ...