Pic16f877a timer interrupt

if (PIR1bits.TMR1IF==1)
{
PIR1bits.TMR1IF=0;
count++;
TMR1H = 0xD2; // you have to load the timer value in the interrupt routine also
TMR1L = 0x38;
Flag=1;  // flag to say 1sec elapsed
Timer1bits.TMR1ON=0; // stop timer1
}

while(1)
{
Count=0;
Timer0=0; // init value timer0 to zero
Timer0.bits.TMR0ON=1; // enable counting
// wait fro one second
while(Flag==0)
{
if (Timer0.bits.TMR0IF==1)
{
   Count=Count+65535;  // sumarize all counter overflows
  Timer0.bits.TMR0IF=0;
}
}
Flag=0;
Value=value + (long) Timer0; // add the rest inside the timer0
/*
here you have the nb of pulses during 1 seconde..
Count is in Hertz
then convert to RPM 
and display
*/
}

volatile int Sec ; // compteur de secondes
volatile int count;
volatile int Flag;


if (PIR1bits.TMR1IF==1)
{
PIR1bits.TMR1IF=0;
count++;
TMR1H = 0x48; // you have to load the timer value 18660 in the interrupt routine also
TMR1L = 0xE4;
if (count>8)
 {
   Flag=1;  // one second elapsed used for TMR0 counting
 count=0;
  Sec ++; // increment secondes
}
}


void main()
{
Sec=0;
count=0;
......
while(1)
{
Count=0;
Timer0=0; // init value timer0 to zero
Timer0.bits.TMR0ON=1; // enable counting
// wait fro one second
while(Flag==0)
{
if (Timer0.bits.TMR0IF==1)
{
   Count=Count+255;  // sumarize all counter overflows
  Timer0.bits.TMR0IF=0;
}
}
Flag=0;
Value=value + (long) Timer0; // add the rest inside the timer0
/*
here you have the nb of pulses during 1 seconde..
Count is in Hertz
then convert to RPM 
and display
*/

#include<htc.h>
__CONFIG(FOSC_HS & WDTE_OFF);
#define _XTAL_FREQ 2000000
unsigned char x;
unsigned int COUNT=0;

int1 interrupt_flag = 1;

void interrupt_isr()
{
if(INTCONbits.INTF==1)
{
INTCONbits.INTF=0;
interrupt_flag = 0;
}

if(PIR1bits.TMR1IF == 1)
{
PIR1bits.TMR1IF=0;
COUNT++;
TMR1L=0xDB;
TMR1H=0x0B;
}
}

void main()
{
CMCON=7;
ADCON0=0;
TRISC=0;
TRISD=0;
T1CON=0b00110101;
PIR1=0b00000001;
PIE1=0b00000001;
OPTION_REG=0b11000000;
INTCON=0b11010010;
while(1)
{
PORTC=COUNT;
if(interrupt_flag==0)
{
for(x=0;x<=5;x++)
{
PORTD=255;
__delay_ms(500);
PORTD=0;
__delay_ms(500);
}
}
interrupt_flag = 1;
}
}