#include <msp430.h> 
const int buffer_line_to_leds [8] = {0x0380,0x0240,0x9f20,0x9910,0x9f08,0x4904,0x0d02,0x4101};
//0xff80,0xaa80,0xaa80,0xaa80,0xaa80};0x00ff,0x00ff,0x00ff,0x00ff,0x00ff};
                                     //0xaa01,0xaa01,0xaa01,0xaa01,0xaa01,0xaa01};
                                     //0xc080,0x4040,0xf920,0x9910,0xAFf08}; // "0.014r" on the screen. Firsf byte - image, second - position
void push_16bit_to_display (int); //Subprogram to push 16 bit to 74hc273 (one car.+position) via 'data' & 'clock' lines
int bit, position_on_screen;
int main(void)
{                                   // Set int. clock to 8 MHz to prevent flicker
BCSCTL1 = CALBC1_8MHZ;              // Set pre-calibrated 'range' for 8MHz
DCOCTL = CALDCO_8MHZ;               // Set pre-calibrated 'DCO step + modulation' for 8MHz
WDTCTL = WDT_MDLY_8;                //Set WDT as interrupt source (8ms/8(MHz)=1ms or 1000/sec.
IE1 |= WDTIE;                       // Enable WDT interrupt
P1DIR |= 0x0E;                      // Set P1.1,2,3 to output direction
__bis_SR_register(LPM0_bits + GIE); // Enter LPM0 w/ interrupt
return 0;
}
// Next, executed every time when interrupt occurred. 8msec==125 time per sec. At 8 MHz => 1000 times per sec.
#pragma vector=WDT_VECTOR
__interrupt void watchdog_timer(void)
{
push_16bit_to_display (buffer_line_to_leds [position_on_screen]); //Call to subprogram.
position_on_screen++;                                             //upd. position for the next call
if(position_on_screen == 8) position_on_screen=0;                 //if pos. is 5 (all showed) - start from 0
}
void push_16bit_to_display (int Data)
{
for (bit = 0; bit < 16; bit++)          // Loop 16 bits to write to 74hc273
{ P1OUT = 0x00;                         // Set 'data' (P1.3) 'low'
if((Data >> bit) & 0x01) P1OUT |= 0x04; // If ==1 then 'data' (P1.3) bit is a 'hi'
P1OUT |=  BIT3;                         // Set 'clock' (P1.4) 'hi'
P1OUT &= ~BIT3;                         // Set 'clock' (P1.4) 'low'
}
P1OUT |=  BIT1;                         // Set 'clock' (P1.2) 'hi'
P1OUT &= ~BIT1;                         // Set 'clock' (P1.2) 'low'
}