pic16f877a uart not working

hello there!
I'm trying to communicate with PC using pic16f877a's uart.. I've written a code in HITECH C.. but it doesn't seem to work.. pls help.. I'm using 20 MHz crystal and 9600 bauds..
the code is given below..

#include <htc.h>

#define _XTAL_FREQ 20000000
__CONFIG(FOSC_HS&LVP_OFF&CP_OFF&BOREN_OFF&PWRTE_OFF&WRT_OFF&WDTE_OFF);
unsigned char x;
void main()
{
	TRISC6 = 1;
	TRISC7 = 1;
	BRGH = 1;
	SYNC = 0;
        SPEN = 1;
	SPBRG = 129; //9600 baud with 20MHz
	TXIE = 1;
	RCIE = 1;
	GIE = 1;
	PEIE = 1;
   	CREN = 1;
	TXEN = 1;
	while(1);
	
}

void interrupt ISR(void)
{
	if(RCIE && RCIF)
	{	
		x = RCREG;
		if(TXIF)
			TXREG = x;
	        __delay_ms(100);
	}
}