anchor.diff:  "y",1,"Scale image as % of height (default 100)"
   "zg",0,"Never used?"
   "zh",0,"Never used?"
  -"zj",0,"Invulnerable to jumping attacks?"
  +"zj",0,"Invulnerable to jumping attacks"
   "zl",0,"Never used?"
   "zm",0,"Never used?"
  -"zp",0,"Invulnerable to projectiles?"
  -"zz",0,"Invulnerable to any attacks?"
  +"zp",0,"Invulnerable to projectiles"
  +"zz",0,"Invulnerable to any attacks"
  
positive.code: "l",1,"Sound loudness"
  "ma",1,
  "mc",0,
  "md",1,"Destroy animation N?"
  "mg",1,"Gravity for spawned animation"
  "mi",1,
  "mm",1,"Manipulate mrx and mry calculations"
  "mn",1,
  
negative.code: "mx",1,"X position of new animation"
  "my",1,"Y position of new animation"
  "m",1,"Create instance of animation N"
  "n",0,"Disable collision detection for the current frame"
  "ox",1,"Set sprite X correction for this frame"
  "oy",1,"Set sprite Y correction for this frame"
  "pa",0,"Enable color effect for HAR palette effects"
  