OSD_SET_REG(screen, xy_size, ((x - 1) << 8) | (y - 1));
OSD_SET_REG(screen, x_pos, 32767 * (640 - 12 * x) / 65535);
OSD_SET_REG(screen, y_pos, 32767 * (480 - 18 * y) / 65535);
OSD_SET_REG(screen, xy_size, ((x - 1) << 8) | (y - 1));
OSD_SET_REG(screen, x_pos, 32767 * (640 - 12 * x) / 65535);
OSD_SET_REG(screen, y_pos, 32767 * (480 - 18 * y) / 65535);