void drawCross(int x0, int y0, int color){

    LCDSetLine(x0-16, y0-16, x0+14, y0+14, color);
    LCDSetLine(x0-15, y0-15, x0+15, y0+15, color);

    LCDSetLine(x0-16, y0+14, x0+14, y0-16, color);
    LCDSetLine(x0-16, y0+15, x0+15, y0-15, color);
}