Launchpad MSP430 unipolar stepper motor ULN2003A

#include "msp430g2231.h"

int main(void)
{
	WDTCTL = WDTPW + WDTHOLD; // Stop watchdog timer
	P1DIR |= 0x0001;
	P1DIR |= 0x0040;
	P1DIR |= 0x0004;
	P1DIR |= 0x0008;
	P1DIR |= 0x0010;
	P1DIR |= 0x0020;
	P1OUT = 0;
	BCSCTL3 |= LFXT1S_2; // LFXT1 = VLO
	IFG1 &= ~OFIFG; // Clear OSCFault flag
	__bis_SR_register(SCG1 + SCG0); // Stop DCO
	BCSCTL2 |= SELM_3 + DIVM_3; // MCLK = VLO/8
	unsigned int counter = 0;

	while(counter < 100)
	{
		P1OUT = 0x0004;
		_delay_cycles(20);
		P1OUT = 0x0008;
		_delay_cycles(20);
		P1OUT = 0x0010;
		_delay_cycles(20);
		P1OUT = 0x0020;
		_delay_cycles(60);
		counter = counter + 1;
		}
	P1OUT = 0x0000;
}