Sherlock: Routine at BE5A

BE5A: Routine at BE5A

Used by the routines at BA20, BC46, BC74, BD51, BE72 and BF08.
BE5A	PUSH AF
BE5B	LD DE,$0002
BE5E	ADD IX,DE
BE60	ADD IX,DE
BE62	BIT 5,(IX-$01)
BE66	JR NZ,$BE6E
BE68	BIT 4,(IX-$01)
BE6C	JR Z,$BE70
BE6E	ADD IX,DE
BE70	POP AF
BE71	RET