流水燈程序

#include <REG52.H>
unsigned char code table[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f,0xfe,0xfd,0xfb,0xf7,
0xef,0xdf,0xbf,0x7f,0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe,0x7f,0xbf,0xdf,0xef,
0xf7,0xfb,0xfd,0xfe,0x00,0xff,0x00,0xff,0x01};

unsigned char i;

/******定義延時子程序**********/
void delay(void)
{
        unsigned char m,n,s;
        for(m=20;m>0;m--)
        for(n=20;n>0;n--)
        for(s=248;s>0;s--);
}
//////////////////////////////

void main(void)
{
        while(1)
        {
                if(table[i]!=0x01)
                {
                        P2=table[i];
                        i++;
                        delay();
                }
                else i=0;
        }
}