January object_types.obj .data (sec49, 190 relocs): datum_place slot (+0x28) of each definition
  object         .data+0x028 -> NULL (no relocation)
  unit           .data+0x0c8 -> NULL (no relocation)
  biped          .data+0x168 -> _biped_place (type 0x6)
  vehicle        .data+0x208 -> _vehicle_place (type 0x6)
  item           .data+0x2a8 -> NULL (no relocation)
  weapon         .data+0x348 -> _weapon_place (type 0x6)
  equipment      .data+0x3e8 -> _equipment_place (type 0x6)
  garbage        .data+0x488 -> NULL (no relocation)
  projectile     .data+0x528 -> NULL (no relocation)
  scenery        .data+0x5c8 -> _scenery_place (type 0x6)
  sound_scenery  .data+0x668 -> NULL (no relocation)
  device         .data+0x708 -> NULL (no relocation)
  machine        .data+0x7a8 -> _machine_place (type 0x6)
  control        .data+0x848 -> _control_place (type 0x6)
  light_fixture  .data+0x8e8 -> _light_fixture_place (type 0x6)
  placeholder    .data+0x988 -> _placeholder_place (type 0x6)
