Etch-A-Sketch.ABXY can be used as substitute for right swivel. Holding R makes it go three times faster.D-pad can be used as substitute for left swivel. Holding L makes it go three times faster.
Or when your player dies, you can say in code, if enemy exists, do nothing, but if enemy does not exist, then create enemy at certain spot. (This would be a pain tho for lots of emeies)