Sabre Wulf: Routine at BBBB

BBBB: Draw Room Actors

Used by the routine at DrawRoomContents. Works through the actor table from ImmortalData_Actors and draws (with DrawEntity) every actor whose room (byte 01) is the same as the room the player is in (9703).
DrawRoomActors	BBBB	PUSH IX	Stash the actor record pointer on the stack.
	BBBD	LD IX,$970E	Point IX at the first actor after the player at ImmortalData_Actors.
Draw the actor if it is in the same room as the player.
DrawRoomActors_Loop	BBC1	LD A,($9703)	Fetch the room of the player from 9703.
	BBC4	CP (IX+$01)	Draw the actor if it is in the room of the player.
	BBC7	CALL Z,DrawEntity	Draw the actor if it is in the room of the player.
Move on to the next actor, until the end of the actor table is reached.
	BBCA	LD DE,$000C	Set the size of an actor record in DE to 0C.
	BBCD	ADD IX,DE	Move onto the next actor.
	BBCF	PUSH IX	Copy the pointer to the actor into HL.
	BBD1	POP HL	Copy the pointer to the actor into HL.
	BBD2	LD DE,$982E	Point DE at the end of the actor table at StoredActorTable.
	BBD5	AND A	Subtract the end of the actor table from the pointer to the actor.
	BBD6	SBC HL,DE
	BBD8	JR C,DrawRoomActors_Loop	Jump to DrawRoomActors_Loop if there are more actors to draw.
	BBDA	POP IX	Restore the actor record pointer from the stack.
	BBDC	RET	Return.