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#include<reg51.h>
#define uchar unsigned char
#define uint unsigned int
#include<intrins.h>
#define led P1
void main(void)
{
TMOD =0x01;
TH0=(65536-10000)/256;
TL0=(65536-10000)%256;
TR0=1;
EA=1;
ET0=1;
led=0xfe;
while(1);
}
void time0() interrupt 1
{
uchar a;
TH0=(65536-10000)/256;
TL0=(65536-10000)%256;
a++;
if(a==3)
{
led=_crol_(led,1);
a=0;
}
}
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