利用C51单片机控制8个LED灯同时闪烁的程序

#include
#define uchar unsigned char
void delay(uchar a)
{
uchar i;
while(a--)for(i=0;i<120;i++);
}
main()
{
while(1)
    {
    P0=0x00;
    delay(200);
    P0=0xff;
    delay(200);
    }
}

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