单片机源代码.跑马灯+LED显示

#include<reg52.h>
#define uint unsigned int 
#define uchar unsigned char 
sbit dula=P2^6;
sbit wela=P2^7;
sbit d1=P1^7;
uchar num, tt;
uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71};
void delay(uint z);
void main()
{
    //tt=0;
//num=0;
    //TMOD=0x01;//设置定时器0为工作方式1
//TH0=(65536-50000) /256;
//TL0=(65536-50000) %256;
//EA=1;//开总中断
//ET0=1;//  开定时器0中断
//EX0=1;//开外部中断0   
//IT0=1;
    //TCON=0x01;//把IT0置一
//TR0=1;//启动定时器0
wela=1;//11101010
P0=0xea;
    wela=0;
dula=1;