Issues such as the topic, there may be a little long messy code, trouble bosses to help have a look at the problem in where, thanked!!

 # include & lt; Reg52. H> 
#include  
# define uint unsigned int 
# define uchar unsigned char 
Sbit du=P2 ^ 6; 
Sbit we=P2 ^ 7; 
Sbit led=P1 ^ 0; 

Uint shi_shi=0; 
Uint shi=0; 
Uint fen_shi=0; 
Uint fen=0; 
Uint miao_shi=0; 
Uint miao=0; 
Uchar num. 
SFR AUXR=0 x8e; 

Uchar duan []={x5b x3f 0, 0 x06, 0, 0 x4f, 0 x66, 0 x6d, 0 x7d, 0 x07, 0 x7f, 0 x6f};//section of the code 
Uchar wei []={XFD 0 xfe, 0, 0 XFB, 0 xf7, 0 xef, 0 XDF, 0 XBF, 0 x7f};//a 

Void InitTimer0 (void) 
{
TMOD=0 x01; 
TH0=0 x0ee; 
TL0=0 x00; 
EA=1; 
ET0=1; 
TR0=1; 
} 

Void Timer0Interrupt (void) interrupt 1 
{
TH0=0 x0ee; 
TL0=0 x00; 
num++; 
} 

Void delay (uint k)//software delay 
{
Uint I; 
Uint j; 

For (I=0; i For (j=0; J & lt; 114; j++);//raw data j & lt; 114 
} 

Void jisuan () 
{
If (miao==10) 
{
Miao_shi + +; 
Miao=0; 
} 
If (miao_shi==6) 
{
Fen + +; 
Miao_shi=0; 
} 
If (fen==10) 
{
Fen_shi + +; 
Fen=0; 
} 

If (fen_shi==6) 
{
Shi++; 
Fen_shi=0; 
} 
If (shi==10) 
{
Shi_shi + +; 
Shi=0; 
} 
If (shi_shi==2 & amp; Shi==4) 
{
Shi=0; 
Shi_shi=0; 
} 
} 

Void main (void) 
{
InitTimer0 (); 
While (1) 
{
If (num==200) 
{
Num=0; 
Led=~ led; 
Miao++; 

If (miao==10) 
{
Miao_shi + +; 
Miao=0; 
} 
If (miao_shi==6) 
{
Fen + +; 
Miao_shi=0; 
} 
If (fen==10) 
{
Fen_shi + +; 
Fen=0; 
} 

If (fen_shi==6) 
{
Shi++; 
Fen_shi=0; 
} 
If (shi==10) 
{
Shi_shi + +; 
Shi=0; 
} 
If (shi_shi==2 & amp; Shi==4) 
{
Shi=0; 
Shi_shi=0; 
} 
} 
Du=1; 
P0=duan (miao), 
Du=0; 
We=1; 
P0=wei [7]; 
We=0; 
Delay (1); 
Du=1; 
P0=duan [miao_shi]; 
Du=0; 
We=1; 
P0=wei [6]. 
We=0; 
Delay (1); 
//-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
Du=1; 
P0=0 x40; 
Du=0; 
We=1; 
P0=wei [5]; 
We=0; 
Delay (1); 
//-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
Du=1; 
P0=duan (fen); 
Du=0; 
We=1; 
P0=wei [4]; 
We=0; 
Delay (1); 
Du=1; 
P0=duan [fen_shi]; 
Du=0; 
We=1; 
P0=wei [3]. 
We=0; 
Delay (1); 
//-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
Du=1; 
P0=0 x40; 
Du=0; 
We=1; 
P0=wei [2]; 
We=0; 
Delay (1); 
//-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
Du=1; 
P0=duan (shi); 
Du=0; 
We=1; 
P0=wei [1]; 
We=0; 
Delay (1); 
Du=1; 
P0=duan [shi_shi]; 
Du=0; 
We=1; 
P0=wei [0]; 
We=0; 
Delay (1); 
} 
}