#include <p18F458.h>
#define myPB1bit PORTBbits.RB1
#define myPB7bit PORTBbits.RB7
void T0_ISR(void);
void T1_ISR(void);
#pragma interrupt chk_isr	
					
void chk_isr (void)
{
	if (INTCONbits.TMR0IF==1)	
  		T0_ISR();			
	if(PIR1bits.TMR1IF==1)	
		T1_ISR(); 			
}
#pragma code My_HiPrio_Int=0x08
void My_HiPrio_Int (void)
{
  _asm
    GOTO chk_isr
  _endasm
}
#pragma code
void main(void)
  {
    TRISBbits.TRISB1=0;	
    TRISBbits.TRISB7=0;	
    TRISC = 255;		
    TRISD = 0; 		
    T0CON=0x0;		
    TMR0H=0x35;		
    TMR0L=0x00;		
    T1CON=0x88;		
    TMR1H=0x35;		
    TMR1L=0x00;		
    INTCONbits.TMR0IF=0; 	
    PIR1bits.TMR1IF=0;	
    INTCONbits.TMR0IE=1;	
    INTCONbits.TMR0IE=1;	
    T0CONbits.TMR0ON=1;	
    T1CONbits.TMR1ON=1;	
    INTCONbits.PEIE=1;
    INTCONbits.GIE=1;	
   while(1)	
    { 
      PORTD=PORTC;	
    }
  }
void T0_ISR(void)
  {
    myPB1bit=~myPB1bit;	
    TMR0H=0x35;			
    TMR0L=0x00;			
    INTCONbits.TMR0IF=0;	
  }
void T1_ISR(void)
  {
    myPB7bit=~myPB7bit;	
    TMR1H=0x35;			
    TMR1L=0x00;			
    PIR1bits.TMR1IF=0;	
  }