基于指针的流水灯

#include<reg52.h>
char code msg[8]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};

void delay(int t)
{
 for(;t!=0;t--);
}

void main()
{
    unsigned char *i,p;
    while(1)
        {
            
               i = msg;
               for(p = 0; p < 8; p++)
               {
                 delay(40000);
                 P1 = *(i++);
             //     P1 = *(i + p);

            }
        }
}