MSP430 MCU interrupt control flashing light

                                               Flashing light with interrupt
******************************************************************************/ 
#include
/****************************************
msp430G2553 controls the flashing of two LEDs connected to P1.0 and P1.6
The flashing effect can be set in array form, and the array value is assigned to output P1 in a loop.
******************************************/
char dis[12]={0x41,0x00,0x41,0x00,0x01,0x00,0x40,0x00,0x40,0x00,0x01,0x00};
//Define an array dis[12] with 12 elements, which can store 12 display states
int n,t,m;
void delay()
/*Set a custom function. If it is set before the main program, it can be set directly. If it is set after the main program, it must be declared before the main program Declare it before the main program
, and then set it after the main program*/
{
  while(t--);
}
void main(void)
{
  
 WDTCTL = WDTPW + WDTHOLD; // Stop watchdog_EINT
 ();
 P1DIR &=~BIT3;
 P1IE |= BIT3;
 P1IES |=BIT3;
 P1IFG =0x00;
 P1DIR |=(BIT0+BIT6);//Set P1.0 and P1.6 as outputs, and the rest of the states remain unchangedwhile
(1)
   {
     for (n=0;n<12;n++)
        {
           P1OUT=dis[n]; 
            delay(100);
        }
   }
}

#pragma vector=PORT1_VECTOR
   __interrupt void MM(void)
   { 
     if ((P1IFG & BIT3)==BIT3)
     {
     P1OUT |=BIT0;
     for (m=1;m<15;m++)
         {
         P1OUT^=(BIT0);
         delay(5);
         }
     }
     P1IFG &=0x00;
   }