用keil4弄一个流水灯,要求,8个灯,第一次,1号亮,第二次,1号3号亮_百 ...答:include<reg51.h> define uchar unsigned char uchar led[]={0xfe,0xfa,0xea,0xaa,0xfd,0xf5,0xd5,0x55};void delay(unsigned char a){ while(a--);} main(){ uchar i;while(1){ for(i=0;i<8;i++){ P1=led[i];delay(50000);} } } ...