Experts ple solve my led display problem (.at89s52 with keil C source code + proteus)

	   /* The current program led matrix 16x64

#include "regx52.h"
#include "font_code.h"
#define scan_led P2
/////////////////////////////
//////Initial setup//////
#define so_led 8	//     multiple of 8
#define so_hang 16	//   the height of the font
#define multi so_hang+1		 //
#define cot_font 11	//   width font
#define en_run 1	
////////////////////////////

typedef unsigned char uchar;
typedef unsigned int uint;
sbit rck=P3^2;
sbit srck=P3^0;
sbit ser_in=P3^1;
sbit en_hc154=P3^3;

bit run=0,en=en_run;
idata uchar display_buffer[so_hang][so_led];
idata uchar shift_buffer[so_hang];
uchar row_buffer[16]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
uchar row_led[16]={0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
uchar tocdoh=0xf6,tocdol=0x00;
uchar kitu_code=0;
char row=multi;
void shift_dataled();
void test_led();
void clear_buffer();
void run_string();
void copy_datacode();
void scan_dataled_code();
void init_interrupt();

////////////////////////////////
/////// Timer 0 ////////////
void isr_timer0() interrupt 1 using 1
{
	TH0=tocdoh,TL0=tocdol; 
	if(--row==-1) row=multi-1;
	shift_dataled();
	if(row==so_hang) run=1;
}
////////////////////////////////
/////////The main program/////
void main()
{
	uchar w;
	init_interrupt();
	test_led();
	clear_buffer();
	if(en==0) scan_dataled_code();

	while(1) 
		{			
			if((run==1)&(en==1)){
				IE&=0xfd;
				run_string(),run=0;
				if(++w==8) copy_datacode(),w=0;
				row=so_hang;
				IE|=0x02;
			}

		}

}
////////////////////////////////
//////// checking for problems led ////////////
void test_led()
{
	uchar i,j;
	uint t_delay=10000;
	for(i=0;i<so_hang;i++)
		for(j=0;j<so_led;j++)
			display_buffer[i][j]=0xff;
	while(--t_delay); 
}
void clear_buffer()
{
	uchar i,j;
	for(i=0;i<so_hang;i++)
		for(j=0;j<so_led;j++)
			display_buffer[i][j]=0;	
}

////////////////////////////////
///////translate data and scan LEDs////
void shift_dataled()
{
	char i,j;
	
	srck=0;
	rck=0;
	if(row<so_hang){
		for(i=0;i<so_led;i++)
			for(j=0;j<8;j++){
				ser_in=display_buffer[row][i]&row_buffer[7-j];
				srck=1;
				srck=0;
			}
		en_hc154=1;
		rck=1;
		rck=0;
		scan_led=row_led[row];
		en_hc154=0;
	}
	
}
void copy_datacode()
{
	uchar i;
	static uchar j;
	for(i=0;i<so_hang;i++)
		shift_buffer[i]=Bmp002[Bmp002[2]*i+3+j];
	if(++j==Bmp002[2]) j=0;
}
////////////////////////////////

void run_string()
{
	uchar i,j;
	for(i=0;i<so_hang;i++)
		{
			for(j=0;j<so_led;j++)
				{
					display_buffer[i][j]<<=1;
					if(j!=(so_led-1)) display_buffer[i][j]|=((display_buffer[i][j+1]&0x80)>>7);
					else display_buffer[i][j]|=((shift_buffer[i]&0x80)>>7);
				}
			shift_buffer[i]<<=1;
		}
}
void scan_dataled_code()
{
	uchar i,j;
	for(i=0;i<so_hang;i++){
		for(j=0;j<so_led;j++){
			display_buffer[i][j]=Bmp002[Bmp002[2]*i + 3+j];
		}
	}
}
////////////////////////////////

void init_interrupt()
{
	TMOD=0x02; //timer0 mode 1 16b
	TH0=0xF8;
	TL0=0x30;
	TR0=1;
	TR1=1;
	IE=0x82;	//timer0 interrupt enable
}