Ccs c buton

#define buton pin_B0
#define led1 pin_D0
#define led2 pin_D1

unsigned int8 konum = 0;


void main()
{


    while(1)
    {
            if(input(buton))
        {
             while(input(buton));
             konum ++;
        }
       
        switch(konum)
        {
            case 0 : output_low(led1);  output_low(led2);   break;
            case 1 : output_high(led1); output_low(led2);   break;
            case 2 : output_low(led1);  output_high(led2);  break;
            case 3 : output_high(led1); output_high(led2);  break;
            case 4 : konum = 0;  break;
            default: konum = 0; break;
        }  
    }
}