#include<pic.h>
#define uchar unsigned char
#define uint unsigned int
__CONFIG(0x3B31);
void init()
{
	TRISC=0XFF;
	TRISB=0XFF;
	TRISD=0X00;
	PORTD=0X00;
	TXSTA=0XA4;
	RCSTA=0X90;
	SPBRG=25;
	GIE=1;
	PEIE=1;
	RCIE=1;
}  
void main()
{
	init();	
	while(1)
	{
		TXREG=PORTB;
		while(!TRMT);
	}

}
void interrupt time()
{
	if(TRMT&RCIF)
	{
		PORTD=RCREG;
		while(!TRMT);
	}
}