#pragma interrupt Timer_X_int;
void int0( void );

#pragma interrupt int0


void int0( void ) // interrupt handling function 
{
	p1_2=1;
}

void main( void )
{

	int0ic = 0x00; 		// interrupt enabled 
	int0en = 1; 		// INT0 interrupt enabled 
	int0pl = 1; 		// INT0 input polarity: both edges selected 
	int0f  = 0x03; 		// INT0 input fiter: sampling with f32 
	int0ic = 0x01; 		// interrupt priority level setting 
	
	asm( " fset I "); 	// interrupt disabled 
	
	
    asm( "\tFSET	I");// Enable interrupt 

    txmr 	= 0x00;		// Timer mode for Timer X 
    prex 	= 0;		// Set Prescaler X register to 1 
    tx   	= 0;		// Set Timer X register to 1	 
    txck0	= 0;		// Timer Count source = f32 
    txck1	= 1;
    txic	= 0x07;		// Timer interrupt priority level = 7 
    txs		= 1;		// Timer X count start flag -> start 
	
	
	pd1 = 0xFF;
	p1  = 0x00;
	

    while (1);
}

void Timer_X_int(void)
{
        if (p1_4 == 1)
            p1_4 = 0;
        else
            p1_4 = 1;
}