[Ohrrpgce] SVN: james/12758 Add BattleSprite.index which holds the index within bslot()

[subversion at HamsterRepublic.com]

james
2022-02-05 12:40:34 -0800 (Sat, 05 Feb 2022)
217
Add BattleSprite.index which holds the index within bslot()
This is meant to help with cases where a sub or function has a single BattleSprite argument, but still needs to know where that element is located in bslot()
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U   wip/battle_udts.bi
U   wip/bmod.rbas