前段时候在论坛下载的，感觉很不错想研究一下，但是本人基础不好。
希望大神帮忙解释一下

#include<reg51.h>
unsigned  char  code  P2H[]={  0x10,0x20,0x40,0x80 };
unsigned  char  code  P2L[]={  0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07 };
int a,b,n,i,j,k,t;
unsigned  char  code  ziku[]={     //字符码的存放格式为:从左到右共16列，并按列的上下部分依次存放

                                 //一组即为一列


/* EL */
0x08,0x20,  0xF8,0x3F,  0x88,0x20,  0x88,0x20,  0xE8,0x23,  0x08,0x20,  0x10,0x18,  0x00,0x00,  
0x08,0x20,  0xF8,0x3F,  0x08,0x20,  0x00,0x20,    0x00,0x20,    0x00,0x20,  0x00,0x30,    0x00,0x00,

/* Va */
0x08,0x00,  0x78,0x00,  0x88,0x07,  0x00,0x38,  0x00,0x0E,  0xC8,0x01,  0x38,0x00,  0x08,0x00,
0x00,0x00,  0x00,0x18,  0x80,0x24,  0x80,0x22,    0x80,0x22,    0x80,0x22,  0x00,0x3F,    0x00,0x20,

/* 秦 */                        
0x20,0x82,  0x20,0x82,  0x2A,0x45,  0x2A,0x45,  0xAA,0x25,  0x6A,0x15,  0x3E,0x0D,  0x2B,0xFF,
0xAA,0x04,  0xAA,0x0C,  0xEA,0x14,  0xAA,0x24,  0x2A,0x65,  0x22,0xC2,  0x20,0x42,  0x00,0x00,

                         };

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

void  show()
{
   
    for(n=0;n<384;n+=2)        //共六个字
    {
        for(k=0;k<10;k++)            //每个字显示的时间
        {
              for(i=0;i<4;i++)        //4个字符区
            {  
                for(j=0;j<8;j++)    //8列
                {
                    a=j+i*8+n;
                    b=j+i*8+n+32;
                    P2=P2H[i]+P2L[j];       //位选端
                    if(a>383)
                         P0=ziku[a-384];
                    else   
                         P0=ziku[a];
                    if(b>383)
                         P1=ziku[b-384];                     
                    else   
                         P1=ziku[b];

                       delay(10); //80～110
                }   
            }
        }
    }
}

void main()
{
    while(1)
    {
        show();
    }
}

帮忙解释一下程序。