#include "io430.h"
#include "intrinsics.h"

void main(void)
{ float freq;

  WDTCTL = WDTPW + WDTHOLD;                 // Stop WDT
  
  P1DIR |= 0x01;                            // P1.0 output
  P1OUT = 0;
  CCTL0 = CCIE;                             // CCR0 interrupt enabled
  
  BCSCTL2 |= DIVS_3;                        // SMCLK source = DCO / 8
  CCR0 = 65535;
  TACTL = TASSEL_2 + MC_1;                  // SMCLK, upmode
  
  __enable_interrupt(); 
  while (1);
}

// Timer A0 interrupt service routine
#pragma vector=TIMERA0_VECTOR
__interrupt void Timer_A (void)
{
  P1OUT ^= 0x01;                            // Toggle P1.0
}