unsigned int START=0,X=0,M=0,A=0,LOOP=0,E=0,L=0,ALARM=0;
    #define Gas                 PORTC.F0
    #define Electric_shock      PORTC.F1
    #define Fire                PORTC.F2
    #define Warning_Fire_OFF    PORTD.F1
    #define Works               PORTC.F4
    #define Error               PORTC.F5
    
    #define Warning    PORTC.F3=1; delay_ms(500); PORTC.F3=0; delay_ms(250);
    #define ON    =1;
    #define OFF   =0;
    #define REST_ALL  PORTC =0;
      
    //Timer0
    //Prescaler 1:8; TMR0 Preload = 6; Actual Interrupt Time : 1 ms
    //Place/Copy this part in declaration section
    void InitTimer0(){
    OPTION_REG   = 0x82;
    TMR0         = 6;
    INTCON       = 0xA0;
  }

    void Interrupt(){
    if (TMR0IF_bit){
    TMR0IF_bit = 0;
    TMR0       = 6;
    //Enter your code here   START
    
   if(Warning_Fire_OFF ==0 && A==1 && E==0){ REST_ALL  START=0; X=1; E=1; Error=1;}

     
  }
}

            void main() {

          TRISD=7;  //0B00000111
          PORTD=0;  //0B00000000
          TRISC=0;  //0B00000000
          PORTC=0;  //0B00000000
          
          InitTimer0(); //  Interrupt Time
          
        while(1){

        if(PORTD.F0==1 ) { START=1;delay_ms(250);L=0; }
        if(PORTD.F2==1 ) 
       {
         START=0;  Error=0;  ALARM=0;  LOOP=0;
        X=0; A=0; E=0;L=0; REST_ALL delay_ms(250);
     
       }

        if(START==1 && LOOP==0)
    {
        for(L=0; L<3; L++)
       {
          delay_ms(1000);
          Gas = 1;               delay_ms(500);
          Electric_shock  = 1;   delay_ms(700 );
          Electric_shock  = 0;
          Fire  = 1;             delay_ms(3500);
          
          if( Warning_Fire_OFF ==1){ LOOP=1; Error=0; Works=1;L=4; }
          if( Warning_Fire_OFF ==0){  REST_ALL   delay_ms(250 );   }

          if( Warning_Fire_OFF ==0){ ALARM ++; Error=1;  }
          if( Warning_Fire_OFF ==1){ ALARM =0;           }
          
           if(PORTD.F2==1 )
       {
         START=0;  Error=0;  ALARM=0; L=4; LOOP=0;
        X=0; A=0; E=0;L=4; REST_ALL delay_ms(250);

       }

          A=1;
       }
    }
        
        if( ALARM==3  ) { X=1; REST_ALL  LOOP=0;}
        if( X==1      ) { Warning M++; Error=1; }
        if( M==30   ) { X=0; M=0; ALARM=0; Error=1;   }
        
        
        

  }
  }