Sherlock: Routine at 58281

58281: Read The Source At The Display Pointer

Used by the routine at ReadCharacterTextPointers. Reads the display pointer and shifts it to the picture address. Always returns non-zero.
ReadSourceDisplayPointer	58281	LD DE,(41007)	Read the display pointer.
	58285	RES 7,D
	58287	RL E
	58289	SRA D	Shift DE right one bit, keeping the sign of D.
	58291	RR E
	58293	OR 1
	58295	RET	Return.
Reached through the display record at 58346, dispatched by DispatchLookedUpHandlerThird.
	58296	CALL CheckCharacterForRoomGraphics	Return if the room display parameter does not apply.
	58299	RET Z	Return if the room display parameter does not apply.
	58300	LD A,(41014)	Read the current character.
	58303	PUSH AF	Read the current character.
	58304	LD A,(41012)	Call FindCharacterScriptEntry to find character script entry.
	58307	INC A
	58308	LD (41014),A
	58311	CALL FindCharacterScriptEntry
	58314	EX AF,AF'	Record the current character.
	58315	POP AF
	58316	LD (41014),A
	58319	EX AF,AF'	Go to ReadSourceDisplayPointer_TestActionSucceeded if FindCharacterScriptEntry found no script entry for this character.
	58320	JR Z,ReadSourceDisplayPointer_TestActionSucceeded
	58322	LD A,(IX+3)	Take the object id at offset 3 and call FetchObjectDataPointer to look it up.
	58325	CALL FetchObjectDataPointer
	58328	LD IY,(40983)	Read the current character record.
	58332	LD A,(IX+4)	Read the attribute type.
None of the bits 112 are set in the tested state?
	58335	AND (IY+4)	Return zero through ParseInputNumber_ReturnZero if none of the bits 112 are set in the tested state.
	58338	AND 112
	58340	JP Z,ParseInputNumber_ReturnZero
ReadSourceDisplayPointer_TestActionSucceeded	58343	OR %00000001	Reset the zero flag.
	58345	RET	Return.
	58346	DEFB 120,32,184,227,144,64,40,0	Display record read by ProcessDisplayRecord: flags 120 value 32 handler 58296, parameters 144 64 40 0 0.
	58354	DEFB 0
Run by 51812 after the display record at 58346.
ReadSourceDisplayPointer_CurrentCharacterRecord	58355	JR CheckCharacterForRoomGraphics_CharacterRecord	Store the current room on the character from CheckCharacterForRoomGraphics_CharacterRecord.