求高手帮忙看看程序啊

#include <reg52.h>
#define int8 unsigned char
#define int16 unsigned int
#define int32 unsigned long
int8 flag;
int8 n;
int8 code table[][32]={  
{0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/* "  " */  
{0x00,0x00,0xff,0x3f,0x00,0x24,0x00,0x00,0xcc,0x33,0x00,0x20,0x00,0x06,0x00,0x2a,0x00,0x12,0x40,0xa2,0x04,0x00,0xe0,0x3f,0x00,0x02,0x40,0x22,0x10,0x22,0x08,0x02},/*"！",32*/                        
{0x00,0x00,0x00,0x00,0x80,0x01,0x01,0x11,0x02,0x11,0x7c,0x1f,0x40,0x1b,0x40,0x9b,0x40,0x5b,0x40,0x1b,0x7f,0x1f,0x01,0x11,0x01,0x11,0x87,0x11,0x00,0x00,0x00,0x00},/*"亮",0*/
{0x02,0x02,0x04,0x82,0xF8,0x73,0x04,0x20,0x02,0x00,0xE2,0x3F,0x42,0x20,0x82,0x40,0x02,0x40,0xFA,0x3F,0x02,0x20,0x42,0x20,0x22,0x20,0xC2,0x3F,0x02,0x00,0x00,0x00},/*"迎",1*/
{0x00,0x01,0x04,0x02,0x1C,0x0C,0xC0,0x3F,0x1C,0xC0,0x02,0x09,0x02,0x16,0x92,0x60,0x4A,0x20,0x82,0x2F,0x02,0x20,0x0E,0x24,0x00,0x22,0x90,0x31,0x0C,0x20,0x00,0x00},/*"您",2*/
{0x44,0x10,0x44,0x14,0x88,0x54,0x88,0x54,0xD0,0x5F,0x30,0x50,0x60,0x50,0xFE,0x7F,0x40,0x50,0x20,0x90,0xB0,0x9F,0x98,0x92,0x8C,0x94,0x88,0x34,0x80,0x11,0x00,0x00},/*"乘",3*/
{0x82,0x00,0x02,0x01,0x22,0x06,0x22,0x38,0x22,0x04,0x22,0x03,0x22,0x00,0xFE,0xFF,0xA2,0x00,0x22,0x01,0x22,0x02,0x22,0x3C,0x22,0x02,0x02,0x01,0x02,0x00,0x00,0x00},/*"坐",4*/
{0x02,0x00,0x0C,0x00,0xF0,0x3F,0x00,0x20,0x00,0x20,0x00,0x20,0x00,0x20,0x00,0xA0,0x00,0x60,0x00,0x20,0x00,0x20,0x00,0x20,0x00,0x20,0x00,0x20,0x00,0x20,0x00,0x00},/*"广",5*/
{0x80,0x00,0x01,0x07,0x06,0x00,0x18,0x00,0xE0,0xFF,0x00,0x04,0x00,0x03,0x00,0x00,0xFE,0x7F,0x00,0x08,0x00,0x06,0x80,0x01,0x00,0x00,0xFF,0xFF,0x00,0x00,0x00,0x00},/*"州",6*/
{0x00,0x00,0x04,0x20,0x04,0x21,0x04,0x21,0x04,0x21,0x04,0x21,0x04,0x21,0x04,0x21,0x04,0x21,0x04,0x21,0x04,0x21,0x04,0x21,0x04,0x21,0x04,0x20,0x04,0x00,0x00,0x00},/*"三",7*/
{0x20,0x08,0x20,0x86,0x7F,0x60,0x80,0x0F,0x00,0x04,0x00,0x1A,0x00,0xEA,0x00,0x2A,0x00,0x2A,0x00,0x2A,0x00,0x2A,0xF0,0x2B,0x0C,0x28,0x02,0x20,0x0F,0x00,0x00,0x00},/*"汽",8*/
{0x00,0x00,0x80,0x00,0x04,0x01,0x0E,0x02,0x14,0x0C,0x24,0x70,0xC4,0x21,0x8C,0x00,0x08,0x00,0x08,0x70,0x28,0x08,0x1E,0x06,0x0C,0x03,0x80,0x01,0x00,0x01,0x00,0x00},/*"公",9*/
{0x00,0x00,0x00,0x08,0xF8,0x49,0x20,0x49,0x20,0x49,0x20,0x49,0x20,0x49,0x20,0x49,0x20,0x49,0xF0,0x49,0x00,0x48,0x04,0x40,0x02,0x40,0xFC,0x7F,0x00,0x00,0x00,0x00},/*"司",10*/
{0x00,0x00,0x80,0x00,0x04,0x01,0x0E,0x02,0x14,0x0C,0x24,0x70,0xC4,0x21,0x8C,0x00,0x08,0x00,0x08,0x70,0x28,0x08,0x1E,0x06,0x0C,0x03,0x80,0x01,0x00,0x01,0x00,0x00},/*"公",11*/
{0x40,0x00,0x40,0x08,0x41,0x08,0x42,0x08,0x4C,0x08,0xF8,0x7F,0x50,0x08,0x40,0x08,0x40,0x08,0x60,0x08,0xD0,0x7F,0x4C,0x08,0x47,0x08,0x42,0x08,0x40,0x00,0x00,0x00},/*"共",12*/
{0x20,0x08,0x20,0x86,0x7F,0x60,0x80,0x0F,0x00,0x04,0x00,0x1A,0x00,0xEA,0x00,0x2A,0x00,0x2A,0x00,0x2A,0x00,0x2A,0xF0,0x2B,0x0C,0x28,0x02,0x20,0x0F,0x00,0x00,0x00},/*"汽",13*/
{0x20,0x00,0x20,0x20,0x20,0x21,0x20,0x23,0x20,0x25,0x20,0x39,0x20,0xE1,0x20,0x21,0xFF,0x2F,0x20,0x21,0x20,0x21,0x20,0x21,0x20,0x21,0x20,0x21,0x20,0x00,0x00,0x00},/*"车",14*/
{0x00,0x00,0x00,0x00,0x1A,0x00,0x1C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"，",15*/
{0x00,0x04,0x01,0x04,0x02,0x04,0x04,0x04,0x08,0x04,0x30,0x04,0xC0,0x05,0x00,0xFE,0x80,0x05,0x60,0x04,0x10,0x04,0x0C,0x04,0x06,0x04,0x03,0x04,0x02,0x04,0x00,0x00},/*"大",16*/
{0x00,0x02,0x40,0x0C,0x40,0x08,0x40,0x48,0x40,0x3A,0x40,0x2A,0x42,0x0A,0x41,0x8A,0xFE,0x7A,0x40,0x2B,0x40,0x0A,0x40,0x18,0x40,0xEA,0x40,0x4C,0x40,0x08,0x00,0x00},/*"学",17*/
{0x20,0x08,0x30,0x08,0xE0,0xFF,0x42,0x08,0x4C,0x08,0xF0,0x1F,0x10,0x12,0x1A,0x12,0xF2,0x13,0x04,0x10,0xC8,0xFF,0x30,0x10,0xCC,0x50,0x02,0x37,0x1C,0x12,0x00,0x00},/*"城",18*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0C,0x0E,0x14,0x10,0x24,0x10,0x44,0x10,0x84,0x11,0x0C,0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"2",0*/
{0x04,0x02,0x44,0x06,0xC4,0x1A,0x48,0xE3,0x48,0x46,0x48,0x00,0x04,0x09,0x04,0x09,0x08,0x09,0xC8,0xFF,0x30,0x09,0x28,0x49,0x44,0x39,0x02,0x29,0x1F,0x01,0x00,0x00},/*"线",19*/
{0x00,0x02,0x02,0x42,0x04,0x42,0x08,0x42,0x30,0x42,0xC0,0x7F,0x00,0x42,0x00,0x42,0x00,0x42,0x00,0x42,0xFE,0x7F,0x00,0x42,0x00,0x42,0x00,0x42,0x00,0x42,0x00,0x00},/*"开",20*/
{0x40,0x04,0x80,0x08,0x00,0x11,0xFF,0xEF,0x00,0x44,0x02,0x10,0x82,0x10,0x82,0x10,0x82,0x90,0xFE,0x7F,0x82,0x50,0x82,0x10,0x82,0x10,0x82,0x10,0x02,0x10,0x00,0x00},/*"往",21*/
{0x00,0x04,0x01,0x04,0x02,0x04,0x04,0x04,0x08,0x04,0x30,0x04,0xC0,0x05,0x00,0xFE,0x80,0x05,0x60,0x04,0x10,0x04,0x0C,0x04,0x06,0x04,0x03,0x04,0x02,0x04,0x00,0x00},/*"大",22*/
{0x00,0x02,0x40,0x0C,0x40,0x08,0x40,0x48,0x40,0x3A,0x40,0x2A,0x42,0x0A,0x41,0x8A,0xFE,0x7A,0x40,0x2B,0x40,0x0A,0x40,0x18,0x40,0xEA,0x40,0x4C,0x40,0x08,0x00,0x00},/*"学",23*/
{0x20,0x08,0x30,0x08,0xE0,0xFF,0x42,0x08,0x4C,0x08,0xF0,0x1F,0x10,0x12,0x1A,0x12,0xF2,0x13,0x04,0x10,0xC8,0xFF,0x30,0x10,0xCC,0x50,0x02,0x37,0x1C,0x12,0x00,0x00},/*"城",24*/
{0x00,0x00,0x00,0x00,0x1A,0x00,0x1C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"，",25*/
{0x00,0x02,0x00,0x42,0x00,0x32,0xFE,0x23,0x04,0x00,0x08,0x44,0xFF,0x55,0x50,0x55,0x50,0x55,0x50,0xFD,0x52,0x55,0x51,0x55,0xFE,0x55,0x00,0x44,0x00,0x04,0x00,0x00},/*"请",26*/
{0x00,0x01,0x04,0x02,0x1C,0x0C,0xC0,0x3F,0x1C,0xC0,0x02,0x09,0x02,0x16,0x92,0x60,0x4A,0x20,0x82,0x2F,0x02,0x20,0x0E,0x24,0x00,0x22,0x90,0x31,0x0C,0x20,0x00,0x00},/*"您",27*/
{0x82,0x00,0x02,0x01,0x22,0x06,0x22,0x38,0x22,0x04,0x22,0x03,0x22,0x00,0xFE,0xFF,0xA2,0x00,0x22,0x01,0x22,0x02,0x22,0x3C,0x22,0x02,0x02,0x01,0x02,0x00,0x00,0x00},/*"坐",28*/
{0x01,0x08,0xC2,0x08,0x44,0x0F,0x28,0xF8,0x30,0x08,0xCE,0x0F,0x04,0x01,0x00,0x41,0x02,0x41,0x01,0x41,0xFE,0x4F,0x00,0x51,0x00,0x61,0x00,0x41,0x00,0x01,0x00,0x00},/*"好",29*/
{0x42,0x08,0x81,0x08,0xFE,0xFF,0x00,0x09,0x01,0x0A,0x01,0x01,0x02,0x11,0x0C,0x11,0x30,0x11,0xC0,0xFF,0x30,0x11,0x08,0x11,0x06,0x11,0x03,0x11,0x02,0x01,0x00,0x00},/*"扶",30*/
{0x20,0x08,0xC0,0x48,0x00,0x4B,0xFF,0x7F,0x00,0x89,0x9C,0x88,0x00,0x10,0xBC,0x2A,0x82,0xCA,0xC2,0x4A,0xB2,0x5A,0x82,0x6A,0xAE,0x0A,0x90,0x0F,0x0C,0x00,0x00,0x00},/*"稳",31*/
{0x00,0x00,0x00,0x00,0x00,0x00,0xFA,0x0F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"！",32*/
};
void delay(void);
int16 offset;
void main(void)
{
    int8 i;
    int8 *p;
    flag=0x10;
    n=0;
    TMOD=0x01;
    TH0=0xb1;
    TL0=0xe0;
    ET0=1;
    EA=1;
    TR0=1;
    p=&table[0][0];
    while (1)
    {
        for (i=0;i<8;i++)    //显示左半边屏幕
        {
            P0=*(p+offset+2*i);
            P2=i|0x08;    //P2.4=0,P2.3=1 选中U2, 输出扫描码给U6
            delay();
            P0=*(p+offset+2*i+1);
              P2=i|0x10;   //P2.4=1,P2.3=0 选中U3, 输出扫描码给U7
            delay();
        }
        for (i=8;i<16;i++)     //显示右半边屏幕
        {
            P0=*(p+offset+2*i);
             P2=(i-8)|0x20;   //P2.5=1 P2.4=0, P2.3=0 选中U4,输出扫描码U8
            delay();
            P0=*(p+offset+2*i+1);
             P2=(i-8)|0x40;   //P2.6=1 P2.5=0, P2.4=0 选中U5,输出扫描码U9
            delay();
        }
    }
}

void delay(void)
{
    int16 i;
    for (i=0;i<50;i++)
        ;
}

void timer0() interrupt 1 using 3
{
    TF0=0;
    TH0=0xb1;
    TL0=0xe0;
    if (n<10)
   {
   n++;
    }
   else
    {
    offset+=2;
    if (offset>1100)
            offset=0;
        n=0;
   }
   }          










部分汉字的点无法显示，是什么原因啊?