强帮我做c语言版51芯片十字路口交通灯程序

#include<reg52.h>
#include<intrins.h>
#define uint unsigned int
#define uchar unsigned char
unsigned char code dis_7[10]={0x03,0x9F,0x25,0x0D,0x99,0x49,0x41,0x1F,0x01,0x09};
char i;
sfr p0=0x80;
sfr p1=0x90;