
#define uchar unsigned char
void delay(uchar a)
{
uchar i
while(a--)for(i=0i<120i++)
}
main()
{
uchar i,j,led
for(i=0i<10i++)
{
led=0xfe
for(j=0i<8i++)
{
P0=led
led=led<<1
delay(200)
}
led=0x80
for(j=0i<8i++)
{
P0=led
led=(led>>1)|0x80
delay(200)
}
}
P0=0xff
while(1)
}
#include<reg51.h>#define uchar unsigned char
void delay(uchar a)
{
uchar i
whilie(a--)for(i=0i<110i++)
}
main()
{
uchar i,j
for(i=0i<10i++)
P0=0xfe
for(j=0j<8j++)
{
P0=_crol_(P0,1)
delay(200)
}
}
P0=0x00
delay(200)
P0=0xff
delay(200)
while(1)
}
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