part A subsect 1

#include "msp430.h"
void wait(int ms);

void main(){
  WDTCTL = WDTPW | WDTHOLD;	// Stop watchdog timer
  PM5CTL0 &= ~LOCKLPM5;		// Clear locked IO Pins
  P1DIR |= BIT0;		// Set P1.0 to output direction
  P1REN  |= 0xFE;               //Enable P1.1 to p1.7 Resistor
  P1OUT |= 0xFE;                // and connect them to pull ups
  while (1) {
    wait (500);
    P1OUT ^=BIT0;
  }
}

void wait(int ms) {
	int i, j;
	for(i=0; i<ms; i++)
	 for(j=0; j<200; j++);
}