西红柿炒苹果

1、从左到右的流水灯 2、交通灯 3、定时器控制交通指示灯

#include #define LCD P0 unsigned char a,i,j,k; int b; sbit EN=P2^0; sbit RW=P2^1; sbit RS=P2^2; sbit CS1=P2^3; sbit CS2=P2^4; sbit BUSY=P0^0;