#include<reg52.h>
#include<intrins.h>
#define uint unsigned int
#define uchar unsigned char
void delayms(uint);
sbit led1=P2^0;
sbit led2=P2^1;
uchar aa;
uint n;
void main()
{
while(1)
{
aa=0xfe;
for(n=0;n<=7;n++)
{
P1=aa;
delayms(500);
aa=_crol_(aa,1);
}
aa=0xff;
P1=aa;
led1=0;
delayms(500);
led1=1;
led2=0;
delayms(500);
led2=1;
delayms(500);
}
}
void delayms(uint xms)
{
uint i,j;
for(i=xms;i>0;i--)
for(j=110;j>0;j--);
}
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