#include <p18F458.h>
#define myPB6bit PORTBbits.RB6
void chk_isr(void);
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=0x0008 
void My_HiPrio_Int (void)
{
_asm
GOTO chk_isr
_endasm
}
#pragma code
void main(void)
  {
   	TRISBbits.TRISB6=0;	
	TRISCbits.TRISC0=1;	
	TRISD=0;
	T0CON=0x08;		
					
	TMR0H=0;			
	TMR0L=0;			
	T1CON=0x06;		
	TMR1H=255;			
	TMR1L=-200;		
	INTCONbits.TMR0IF=0; 	
	PIR1bits.TMR1IF=0;	
	INTCONbits.TMR0IE=1;	
	PIE1bits.TMR1IE=1;	
	T0CONbits.TMR0ON=1;	
	T1CONbits.TMR1ON=1;	
	INTCONbits.PEIE=1;
	INTCONbits.GIE=1;	
   	while(1);	
  }
void T0_ISR(void)
  {
    PORTD++;			
    TMR0H=0;			
    TMR0L=0;			
    INTCONbits.TMR0IF=0;	
  }
void T1_ISR(void)
  {
    myPB6bit=~myPB6bit;	
    TMR1H=255;			
    TMR1L=-200;			
    PIR1bits.TMR2IF=0;	
  }