CCS v4 Program file does not exist.

#include <msp430x20x2.h>

#define LED0 BIT0
#define LED1 BIT6
#define TACH BIT3
unsigned int tachCount = 0;
unsigned int tachRPM = 0;


int main(void)
{
WDTCTL = WDTPW + WDTHOLD; // Stop watchdog timer
P1DIR |= (LED0 + LED1); // Set P1.0 to output direction
// P1.3 must stay at input
P1OUT &= ~(LED0 + LED1); // set P1.0 to 0 (LED OFF)
P1IE |= TACH; // P1.3 interrupt enabled
P1IES |= TACH;

if(tachCount>=12000)
{
P1OUT ^=(LED0 +LED1);
// P1IFG &= ~BUTTON; // P1.3 IFG cleared
}
}

void updateTach(void)
{
 P1IE &= ~(TACH);                          // Disable tachometer interrupt
 _NOP();                                   // Wait 1 instruction cycle
                                          // Convert pulse count to RPM
 tachRPM = (tachCount)*60;
 P1IE |= (TACH);                           // Re-enable tachometer interrupt
 tachCount = 0;                            // Reset the pulse counter
}

// Port 1 interrupt service routine
#pragma vector=PORT1_VECTOR
__interrupt void Port_1(void)
{
if(P1IFG & TACH) {
tachCount++;
P1IFG &= ~TACH; // P1.3 IFG cleared
}