Routines
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B99B: Does this object take part in collisions?
Used by the routines at ADJ_DU_FOR_OBJ_INTERSECT, ADJ_DV_FOR_OBJ_INTERSECT, ADJ_DZ_FOR_OBJ_INTERSECT and DO_ANY_OBJS_INTERSECT.
Z set for an empty record, or one with bit 1 of +$07 set: the object moving now (ADJ_FOR_OUT_OF_BOUNDS sets it on itself), or one marked to be passed over.
Input
IY the object
Output
F Z set if it is to be skipped
IS_OBJECT_NOT_IGNORED B99B LD A,(IY+$00) an empty record
B99E AND A
B99F RET Z
B9A0 LD A,(IY+$07) bit 1 of the flags
B9A3 CPL
B9A4 AND $02
B9A6 RET
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