TMPL_129_OBUT.txt
*****: list (until end of resource)
  Icon Base ID: 2-byte integer (decimal)
  HOffset: 2-byte integer (decimal)
  Key: 1-byte integer (decimal)
  1-byte zero fill

TMPL_128_OBKY.txt
*****: list (until end of resource)
  Mod&: 2-byte integer (hex)
  Mod=: 2-byte integer (hex)
  Pad: 1-byte integer (char)
  Char: 1-byte integer (char)