[SOLVED] Timer0 interrupts on PIC18F4620

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#include <htc.h>
 
 
//Chip Settings
__CONFIG(1,0x0200);
__CONFIG(2,0X1E1F);
__CONFIG(3,0X8100);
__CONFIG(4,0X00C1);
__CONFIG(5,0XC00F);
 
 
unsigned char counter=0;//Overflow counter
 
void main()
{
   //Setup Timer0
   T0PS0=1; //Prescaler is divide by 256
 
   T0PS1=1;
   T0PS2=1;
 
   PSA=0;      //Timer Clock Source is from Prescaler
 
   T0CS=0;     //Prescaler gets clock from FCPU (5MHz)
 
   T08BIT=1;   //8 BIT MODE
 
   TMR0IE=1;   //Enable TIMER0 Interrupt
   PEIE=1;     //Enable Peripheral Interrupt
 
   GIE=1;      //Enable INTs globally
 
   TMR0ON=1;      //Now start the timer!
 
   //Set RB1 as output because we have LED on it
 
   TRISB&=0B11111101;
 
   while(1);   //Sit Idle Timer will do every thing!
}
 
//Main Interrupt Service Routine (ISR)
void interrupt ISR()
{
   //Check if it is TMR0 Overflow ISR
 
   if(TMR0IE && TMR0IF)
   {
      //TMR0 Overflow ISR
      counter++;  //Increment Over Flow Counter
 
      if(counter==76)
      {
         //Toggle RB1 (LED)
 
         if(RB1==0)
            RB1=1;
         else
            RB1=0;
 
         counter=0;  //Reset Counter
 
      }
 
      //Clear Flag
      TMR0IF=0;
   }
}