U16 opcode = Memory[PC] << 8 | Memory[PC + 1];
switch(opcode & 0xF000)
{
case 0xD000: // DXYN: Draws a sprite at coordinate (VX, VY) that has a width of 8 pixels and a height of N pixels
            U16 x = V[(opcode & 0x0F00) >> 8];
            U16 y = V[(opcode & 0x00F0) >> 4];
            U32 height = opcode & 0x000F;
            U32 pixel;

            cout << x << endl; // outputs 204 WRONG
            cout << y << endl; // outputs 204 WRONG
            cout << height << endl; // outputs 4 CORRECT

            for (int col = 0; col < height; ++col)
            {
                pixel = Memory[I + col];
                for (int row = 0; row < 8; ++row)
                {
                    if ((pixel & (0x80 >> row)) != 0)
                    {
                        pixels[(x + row) + (y + col)] = 0xFFFFFF; // coordinates incorrect for now
                    }
                    else pixels[(x + row) + (y + col)] = 0x000000;
                }
            }

            PC += 2;
            cin.get();
            break;
}