#include <reg51.h>
#typedef unsigned int u16
#typedef unsigned char u8
#define LED P1
void delay_ms(u16 n)
{
u8 i;
while(
--
n)
{
for(i = 0;i < 125;i++);
}
}
void main(
void
)
{
u8 i;
u8 temp = 0xC0;
P1 = 0x00;
delay_ms(1
000);
while(1){
P1 = _cror_(temp,2);
delay_ms(500);
}
}
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