Sherlock: Routine at DC15

DC15: Return Zero

Used by the routines at ProcessDisplayAction, ProcessObjectDisplayLogic, CheckFlagAndJumpToNewline, CheckCharacterID, DD35, DFCC, E17B, E63E, E686, E6BC and F1D6.
ReturnZero	DC15	XOR A
	DC16	LD L,A
	DC17	LD H,A
	DC18	RET
	DC19	DEC DE
	DC1A	JR NZ,ReturnZero_3
	DC1C	JR Z,ReturnZero_0
ReturnZero_0	DC1E	NOP
	DC1F	NOP
	DC20	CALL CheckCharacterID
	DC23	RET NZ
	DC24	LD A,($A034)
	DC27	CALL CheckObjectAttributeWithFlag_6
	DC2A	LD A,(IX+$02)
	DC2D	AND A
	DC2E	JR Z,ReturnZero_2
	DC30	LD B,A
	DC31	LD A,($A00A)
	DC34	PUSH AF
	DC35	LD A,$01
	DC37	LD ($D0DC),A
	DC3A	CALL $DD0B
	DC3D	LD A,($A00A)
	DC40	CALL ProcessObjectDisplayWithCheck
	DC43	POP BC
	DC44	CALL $DD0B
	DC47	XOR A
This entry point is used by the routine at CheckCharacterID.
ReturnZero_1	DC48	LD ($D0DC),A
ReturnZero_2	DC4B	OR $01
	DC4D	RET
	DC4E	LD A,($A034)
	DC51	CALL CheckObjectAttributeWithFlag_6
	DC54	JP CheckCharacterID_4
	DC57	DEFB $4B,$20,$4E,$DC,$DD
ReturnZero_3	DC5C	LD A,(HL)
	DC5D	NOP
	DC5E	LD ($A033),A
	DC61	XOR A
	DC62	LD ($A00F),A
	DC65	DEC A
This entry point is used by the routine at CheckCharacterID.
ReturnZero_4	DC66	LD ($A034),A
	DC69	JP $DD07