#include<pic.h>
#define uchar unsigned char
#define uint unsigned int
void init()
{
	TRISB=0X00;
	PORTB=0XFF;
	TRISC=0xFF;
	TXSTA=0XA4;
	RCSTA=0X90;
	SPBRG=25;
	GIE=1;	
	PEIE=1;
	RCIE=1;
} 
void main()
{
	init();	
	while(1)
	{
		TXREG='a';
		while(!TRMT);
	}
}
void interrupt time()
{
	if(TRMT&RCIF)
	{
		PORTB=RCREG;
		while(!TRMT);	
	}
}