Sherlock: Routine at A2E4

A2E4: Routine at A2E4

Used by the routine at C996.
A2E4	LD A,$01	Write 01 to *A2AA.
A2E6	LD ($A2AA),A	Write 01 to *A2AA.
A2E9	PUSH IY	Stash IY, BC, IX, HL and DE on the stack.
A2EB	PUSH BC
A2EC	PUSH IX
A2EE	PUSH HL
A2EF	PUSH DE
A2F0	LD A,($A033)	Write A033 to A35D.
A2F3	LD ($A35D),A	Write A033 to A35D.
A2F6	LD HL,($A034)	Write RoomDisplayParameter to A35E.
A2F9	LD ($A35E),HL	Write RoomDisplayParameter to A35E.
A2FC	LD A,($A00C)	B=*A00C.
A2FF	LD B,A	B=*A00C.
A300	AND A	Set flags.
A301	LD A,$01	A=01.
A303	JR Z,$A306	Jump to A306 if ?? is equal to A.
A305	XOR A	Write 00 to *A027.
A306	LD ($A027),A	Write 00 to *A027.
A309	CALL $D078	Call D078.
A30C	JR NC,$A31A	Jump to A31A if ?? is greater than or equal to A.
A30E	LD A,B	A=B.
A30F	AND A	Set flags.
A310	JR NZ,$A31A	Jump to A31A if ?? is not equal to A.
A312	LD HL,$68D1	HL=68D1.
A315	CALL $A59F	Call A59F.
A318	JR $A34E	Jump to A34E.
A31A	LD A,($A35D)	A=*A35D.
A31D	CALL $A2B1	Call A2B1.
A320	PUSH HL	IX=HL (using the stack).
A321	POP IX	IX=HL (using the stack).
A323	CALL $A2BD	Call A2BD.
A326	LD A,($A01D)	A=*A01D.
A329	AND %00010000	Keep only bits 4.
A32B	JR NZ,$A34E	Jump to A34E if ?? is not equal to A.
A32D	CP B	Jump to A336 if A is equal to B.
A32E	JR Z,$A336	Jump to A336 if A is equal to B.
A330	CALL $DC6C	Call DC6C.
A333	CALL Z,$A2A2	Call A2A2 if B is equal to 00.
A336	CALL $A724	Call A724.
A339	LD DE,$017F	DE=017F.
A33C	XOR A	Jump to A348 if B is not equal to 00.
A33D	CP B
A33E	JR NZ,$A348
A340	CALL $A887	Call A887.
A343	CALL $A360	Call A360.
A346	JR $A34B	Jump to A34B.
A348	CALL $A37D	Call A37D.
A34B	CALL $A2A2	Call A2A2.
A34E	XOR A	Write 00 to; A2AA A027
A34F	LD ($A2AA),A
A352	LD ($A027),A
A355	POP DE	Restore DE, HL, IX, BC and IY from the stack.
A356	POP HL
A357	POP IX
A359	POP BC
A35A	POP IY
A35C	RET	Return.