Knight rider LED effect

Demonstration of connecting the 74HC595 8-bit shift register to the MSP430 Launchpad.

Simple Knight rider back and forth flashing LED's.

//  MSP430G2231  
// shift reg. 74hc595 test ... Knight Rider back/forth flashing
#include  <msp430x20x2.h>
#include <io.h>
#include <signal.h>
#include <stdlib.h>
#include <stdio.h>
static void __inline__delay(register unsigned int n);
void main( void )
{
int i, k = 0x01, j, ud = 1;
WDTCTL = WDTPW + WDTHOLD; 
P1DIR |= 0x3f; 
P1SEL = 0x00;
while( 1 )
  { 
if (ud) 
  {
  k = k<<1;
  if (k == 0x80 ) ud = 0;
 }else
 {
  k = k>>1;
  if( k == 0x01) ud = 1;
}

__inline__delay(0x8ff0); 

j = k;
P1OUT &= ~BIT2;
for(i=0; i < 8; i++)
   {    
   P1OUT &= ~BIT1;
   if  (j & 0x01)
      {
      P1OUT |= BIT0;
      }else{
      P1OUT &= ~BIT0;
      }
P1OUT |= BIT1;
   j = j>>1;
   }
P1OUT |= BIT2;
}
}
// Delay Routine from mspgcc help file
static void __inline__delay(register unsigned int n)
{
  __asm__ __volatile__ (
  "1: \n"
  " dec %[n] \n"
  " jne 1b \n"
        : [n] "+r"(n));
}