proteus仿真51单片机控制流水灯

流水灯样式：一共八个灯依次按12，34，56，78两个灯同时亮灭。用keil怎么写谢谢🙏

#include<reg52.h>
#include<intrins.h>
#define  uchar  unsigned  char 
#define  uint   unsigned  int

sbit  led1=P2^0;
sbit  led2=P2^1;
sbit  led3=P2^2;
sbit  led4=P2^3;
sbit  led5=P2^4;
sbit  led6=P2^5;
sbit  led7=P2^6;
sbit  led8=P2^7;


void  delay(uint z)
{
    uint i,j;
    for(i=0;i<z;i++)
        for(j=0;j<110;j++);
}

void  main()
{
    while(1)
    {
        //12 
        led1=0;
        led2=0;
        led3=1;
        led4=1;
        led5=1;
        led6=1;
        led7=1;
        led8=1;    
        delay(1000);//延时 
        
        //34 
        led1=1;
        led2=1;
        led3=0;
        led4=0;
        led5=1;
        led6=1;
        led7=1;
        led8=1;    
        delay(1000);//延时 
        
        //56 
        led1=1;
        led2=1;
        led3=1;
        led4=1;
        led5=0;
        led6=0;
        led7=1;
        led8=1;    
        delay(1000);//延时 
        
        //78 
        led1=1;
        led2=1;
        led3=1;
        led4=1;
        led5=1;
        led6=1;
        led7=0;
        led8=0;    
        delay(1000);//延时 
    
    }    
}