#include <p18F458.h>
void chk_isr(void);
void TX_ISR(void);
void RC_ISR(void);
#pragma code My_HiPrio_Int=0x08 
void My_HiPrio_Int (void)
{
	_asm
		GOTO chk_isr
	_endasm
}
#pragma code
#pragma interrupt chk_isr
void chk_isr (void)
{
if (PIR1bits.TXIF==1)		
  TX_ISR( );			
if (PIR1bits.RCIF==1)		
  RC_ISR( );			
}
void main(void)
  {
	TRISD = 0xFF;		
	TRISB = 0;			
	TRISCbits.TRISC6=0;	
	TRISCbits.TRISC7=1;	
	TXSTA=0x20;		
	SPBRG=15;			
	RCSTAbits.CREN=1;
	RCSTAbits.SPEN=1; 
	TXSTAbits.TXEN=1;
	PIE1bits.RCIE=1; 	
	PIE1bits.TXIE=1; 	
	INTCONbits.PEIE=1;	
	INTCONbits.GIE=1; 	
   	while(1);		
  }
void TX_ISR(void)
  {
	TXREG=PORTD;
  }
void RC_ISR(void)
  {
	PORTB=RCREG;
  }