#include <REGX52.H>
#include <INTRINS.H>
void Delay100ms() //@11.0592MHz
{
unsigned char i, j;
i = 180;
j = 73;
do
{
while (--j);
} while (--i);
}
void main()
{
while(1)
{
P2=0xFE;//1111 1110
Delay100ms();
P2=0xFD;//1111 1101
Delay100ms();
P2=0xFB;//1111 1011
Delay100ms();
P2=0xF7;//1111 0111
Delay100ms();
P2=0xEF;//1110 1111
Delay100ms();
P2=0xDF;//1101 1111
Delay100ms();
P2=0xBF;//1011 1111
Delay100ms();
P2=0x7F;//0111 1111
Delay100ms();
}
}