Knight Lore: Routine at C572

C572: Next special-object entry

Used by the routine at find_spec_obj_loop. Nine bytes on, until the sprite table at sprite_tbl.
next_spec_obj_slot	C572	LD DE,$0009
	C575	ADD IY,DE
	C577	PUSH IY
	C579	POP HL
	C57A	LD DE,sprite_tbl
	C57D	AND A
	C57E	SBC HL,DE
	C580	JR C,find_spec_obj_loop
	C582	EXX