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Logic Error- Maze not displaying

dogon (2)
Hey everyone:

So I have a program where I solve a maze using stacks. So my display_maze function take two parameters and displays the maze according to where the x coordinate and y coordinate are.

I have an error during my move function, as my maze doesn't display for some reason
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void Player::player_move()
{
    Stack stack;
    Maze maze;
    Lock taken;
   // Monster monster;

    stack.push_values();

    while (x_coordinate != 11 || y_coordinate != 2){
        char top = stack.peek();
        top = stack.peek();
        stack.pop();

        if (top == 'U' && maze.maze[y_coordinate - 1][x_coordinate] == 0)
        {
            y_coordinate -= 1;
            stack.move(top);
        }
        else if (top == 'D' && maze.maze[y_coordinate+ 1][x_coordinate] == 0)
        {
            y_coordinate += 1;
            stack.move(top);
        }

        else if (top == 'R' && maze.maze[y_coordinate][x_coordinate + 1] == 0)
        {
            x_coordinate += 1;
            stack.move(top);
        }

        else if (top == 'L' && maze.maze[y_coordinate][x_coordinate-=1] == 0)
        {
            x_coordinate -= 1;
            stack.move(top);
        }

        if (x_coordinate == taken.x_coordinate && y_coordinate == taken.y_coordinate)
        {
            taken.set_posession(true);
        }

    system("cls");
    maze.display_maze(x_coordinate, y_coordinate);
    Sleep(200);
    }
}


It should be displaying, because after debugging I discovered the problem isn't with the display_maze function.

Thanks for the help!
LB (13399)
"My car won't start! Here's the exhaust pipe."

We need more than you have shown us.
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