public _bb_playchar_bb_fn, _bb_playchar_cdg_fn
_bb_playchar_bb_fn dd aBb0_bb
_bb_playchar_cdg_fn dd aBb0_cdg_1
aBb0_bb db 'BB0.BB',0
aBb0_cdg_1 db 'BB0.CDG',0
db 0