broken tetris origin

#include <iostream>
#include <conio.h>

using std::cout;
using std::cin;
using std::endl;


void main()
{
    int x = 4, y = 4;
    char key = 0;

    while (key != 27)
    {

        for (int i = 0; i < 10; i++)
        {
            for (int j = 0; j < 10; j++)
            {


                if ((i >= 0 && i < 10) && (j == 0 || j == 9)) cout << (char)179;
                else if ((i == 0 || i == 10) && (j >= 0 && j < 10)) cout << (char)205;

                if ((i == y || i == y + 1) && (j == x || j == x + 1)) cout << "* ";
                else cout << " ";

                /*if (((i <= 2 || i >= 7) || (j <= 2 || j >= 7)) && !((i == 4 || i == 6) && (j >= 0 && j <= 2)) && !((i == 3 || i == 5) && (j >= 7 && j <= 9))) cout << "- ";
                else if ((i == 4 || i == 6) && (j >= 0 && j <= 2)) cout << "\\ ";
                else if ((i == 3 || i == 5) && (j >= 7 && j <= 9)) cout << "/ ";
                else cout << "* ";*/

            }

            cout << endl;
        }

        switch (key)
        {
        case 87: // W
            y -= 1;
            break;
        case 119: // W
            y -= 1;
            break;
        case 83: // W
            y += 1;
            break;
        case 115: // W
            y += 1;
            break;
        case 65:
            x -= 1;
            break;
        case 97:
            x -= 1;
            break;
        case 68:
            x += 1;
            break;
        case 100:
            x += 1;
            break;
        }


    key = getch();
    system("cls");
    }while (key != 27);

}