if x <= 0 {
    mapX -= 1;
    x_counter = 0;
    stageGoto();
    alarm[10] = 1;
} else if x >= room_width {
    mapX += 1;
    x = 1;
    x_counter = 0;
    stageGoto();
} else if y <= 0 {
    mapY -= 1;
    y_counter = 0;
    stageGoto();
    alarm[11] = 1;
} else if y >= room_height {
    mapY += 1;
    y = 1;
    y_counter = 0;
    stageGoto();
}