Movement

 static public void dMain()
        {

        int x = 5;
        int y = 5;

        int xa; ;
            int ya; ;



        xa = x;
                ya = y;
                Press(ref x, ref y);


    }



static void Press(ref int x1, ref int y1)
{

    ConsoleKeyInfo info = Console.ReadKey();

    string b = info.Key.ToString();
    switch (b)
    {
        case ("W"):
            y1 = y1 - 1;
            if (y1 == 0)
            {
                y1 = 10;

            }

            break;

        case ("S"):
            y1 = y1 + 1;
            if (y1 >= 11)
            {
                y1 = 1;

            }

            break;

        case ("D"):
            x1 = x1 + 1;
            if (x1 >= 11)
            {
                x1 = 1;
            }

            break;


        case ("A"):
            x1 = x1 - 1;
            if (x1 <= 0)
            {
                x1 = 10;

            }

            break;

        default:
            break;
    }
}
//



static void Change(ref char[,] map_change, int x1, int y1, int x2, int y2)
{
    char helper;
    helper = map_change[y1 - 1, x1 - 1];
    map_change[y1 - 1, x1 - 1] = map_change[y2 - 1, x2 - 1];
    map_change[y2 - 1, x2 - 1] = helper;

}