用keil4弄壹個流水燈，要求，8個燈，第壹次，1號亮，第二次，1號3號亮

#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);

}

}

}