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#include<reg52.h>
#include<intrins.h>
sbit LED0=P1^0;
sbit LED1=P1^1;
sbit LED2=P1^2;
sbit LED3=P1^3;
sbit LED4=P1^4;
sbit LED5=P1^5;
sbit LED6=P1^6;
sbit LED7=P1^7;
int x,y,u;
void Delay(unsigned char a)
{
unsigned char i;
while(--a)
{
for(i=0;i<125;i++);
}
}
void main(void)
{
unsigned char b,i,m,n,q;
while(1)
{ P1=0xfe;
for(i=0;i<8;i++)
{ Delay(400);
P1<<=1;
}
P1=0x7f;
for(i=8;i>0;i--)
{ Delay(400);
P1<<=1;
}
m=8;
u=0xff;
for(n=0;n<8;n++)
{
x=0xfe;
for(i=0;i<m;i++)
{ b=u;
b &=x;
P1 =b;
Delay(400);
x=_crol_(x,1);
} u=P1;
m-=1;
}
b=0xff;
m=8;
for(n=0;n<8;n++)
{ x=0x80;
for(i=0;i<m;i++)
{ P1=b;
P1=b-x;
Delay(400);
x>>=1;
} b=P1;
m-=1;
}
P1=0xff;
b=P1;
x=0x08;
q=0x10;
for(i=0;i<4;i++)
{ Delay(400);
P1=b-x-q;
x>>=1;
q<<=1;
}
b=0xff;
x=0x80;
q=0x01;
for(i=0;i<4;i++)
{
P1=b-x-q;
x>>=1;
q<<=1;
Delay(400);
}
}
}
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