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#include <reg51.h>
#include <intrins.h>
void Delay10ms(unsigned int c);
void main(void)
{
unsigned char LED;
LED = 0xFE;
while(1)
{
P0 = LED;
Delay10ms(50);
LED = _crol_(LED,3);
}
}
void Delay10ms(unsigned int c) //??? 0us
{
unsigned char a, b;
for (;c>0;c--)
{
for (b=38;b>0;b--)
{
for (a=130;a>0;a--);
}
}
}
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