Can Time be reduced to update LCD

#include <18f2431.h> 
#fuses HS,NOLVP,NOWDT                                                 
#USE DELAY (CLOCK=4M)                                                
                                                                    
#define data_pin     PIN_A3//data pin for LCD/keypad.              
#define clock_pin    PIN_A2//clock pin for LCD/keypad.            
#define strobe_lcd   PIN_A1 //strobe pin for LCD.                  
                                                                             
////////////////////////////////////////////////////////////////////////////////
//*******************************LCD (BLUE SKY)*********************************  
////////////////////////////////////////////////////////////////////////////////


//  -------------------------------------------------------------------------   
//  |Position|Position|Position|Position|Position|Position|Position|Position|
//  |   No   |   No   |   No   |   No   |   No   |   No   |   No   |   No   |
//  |   21   |   20   |   19   |   18   |   17   |   16   |   15   |   14   |
//  |        |        |        |        |        |        |        |        |
//  -------------------------------------------------------------------------    
//  |Position|Position|Position|Position|Position|Position|Position|Position|
//  |   No   |   No   |   No   |   No   |   No   |   No   |   No   |   No   |
//  |   13   |   12   |   11   |   10   |   09   |   08   |   07   |   06   |
//  |        |        |        |        |        |        |        |        | 
//  -------------------------------------------------------------------------
//  |////////|Position|Position|Position|Position|Position|Position|////////|
//  |////////|   No   |   No   |   No   |   No   |   No   |   No   |////////|
//  |////////|   05   |   04   |   03   |   02   |   01   |   00   |////////|
//  |////////|        |        |        |        |        |        |////////|
//  -------------------------------------------------------------------------  
                                              
////////////////////////////////////////////////////////////////////////////////


int1 lcd_data[176]={
                // dot, g, f, e, d, c, b, a 
                     0, 0, 0, 0, 0, 0, 0, 0,//00 position
                     0, 0, 0, 0, 0, 0, 0, 0,//01 position
                    
                     0, 0, 0, 0, 0, 0, 0, 0,//02 position         
                     0, 0, 0, 0, 0, 0, 0, 0,//03 position
                     0, 0, 0, 0, 0, 0, 0, 0,//04 position
                     0, 0, 0, 0, 0, 0, 0, 0,//05 position                            
                                                                      
                     0, 0, 0, 0, 0, 0, 0, 0,//06 position
                     0, 0, 0, 0, 0, 0, 0, 0,//07 position                
                     0, 0, 0, 0, 0, 0, 0, 0,//08 position
                     0, 0, 0, 0, 0, 0, 0, 0,//09 position
                                                                 
                     0, 0, 0, 0, 0, 0, 0, 0,//10 position
                     0, 0, 0, 0, 0, 0, 0, 0,//11 position
                     0, 0, 0, 0, 0, 0, 0, 0,//12 position
                     0, 0, 0, 0, 0, 0, 0, 0,//13 position
                    
                     0, 0, 0, 0, 0, 0, 0, 0,//14 position
                     0, 0, 0, 0, 0, 0, 0, 0,//15 position                                      
                     0, 0, 0, 0, 0, 0, 0, 0,//16 position                      
                     0, 0, 0, 0, 0, 0, 0, 0,//17 position                   
                                                                          
                     0, 0, 0, 0, 0, 0, 0, 0,//18 position                 
                     0, 0, 0, 0, 0, 0, 0, 0,//19 position
                     0, 0, 0, 0, 0, 0, 0, 0,//20 position           
                     0, 0, 0, 0, 0, 0, 0, 0,//21 position      
                    };
int seg_loop,c,b;
int segx[22]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
BYTE CONST segs_7[12]={0xfc,0x60,0xda,0xf2,0x66,0xb6,0xbe,0xe0,0xfe,0xf6,0x00,0xce};//7-segment values of 0-9 
                                         
void lcd_print(void)
{
   seg_loop=0;                  
   do
   {                         
      output_high(clock_pin);//clock signal high                     
      output_bit(data_pin,lcd_data[seg_loop]);//data out              
      output_low(clock_pin);//clock signal low
      seg_loop++;                              
   }while(seg_loop<=175);
   
   output_low(strobe_lcd);//strobe signal low   
   output_high(strobe_lcd);//strobe signal high 
}                                           
                                                               
void main()
{                                                      
   segx[0]=9;segx[1]=8;segx[2]=7;segx[3]=6;segx[4]=5;segx[5]=4;
   segx[6]=3;segx[7]=2;segx[8]=1;segx[9]=0;segx[10]=1;segx[11]=2;
   segx[12]=3;segx[13]=4;segx[14]=5;segx[15]=6;segx[16]=7;segx[17]=8;
   segx[18]=9;segx[19]=0;segx[20]=9;segx[21]=8;   
                                                          
   while(TRUE)
   {                                                                                                 
      output_toggle(PIN_C0);//just for checking the loop time (approx ~24mS)
                                                               
      c=175;                                                  
      for(seg_loop=0;seg_loop<22;seg_loop++)      
      {                    
         b=0b10000000;
         do                                            
         {
            lcd_data[c--]=segs_7[segx[seg_loop]] & b;//storing segments data 
                              //bit-by-bit in an array for sending to LCD.
            rotate_right(&b,1);                 
         }while(b!=0b00000001);
         c--;
      }                                                           
      
      output_high(PIN_C1);//just for checking the loop time (approx ~10mS)        
      lcd_print();
      output_low(PIN_C1);//just for checking     
   } 
}