Everyone's a Wally: Routine at 47574

47574: Draw Characters In The Current Room

Used by the routines at 33083, 33198 and 46014.
Write the current room ID for referring back to.
Draw_Characters_CurrentRoom	47574	LD A,(IY+15)	Write the current room (IY+15) to TempStore_Room.
	47577	LD (47441),A	Write the current room (IY+15) to TempStore_Room.
There are five characters, cycle through each of them in reverse.
	47580	LD B,5	B=5 (counter).
Store the current character reference so it isn't corrupted.
	47582	PUSH IY	Stash IY on the stack.
Starting at the end with Harry.
	47584	LD IY,48235	IY=FrameId_Harry.
Draw_Characters_CurrentRoom_Loop	47588	PUSH BC	Stash the counter in BC on the stack.
Don't draw the character if they're not in the current room.
	47589	LD A,(47441)	A=*TempStore_Room.
	47592	CP (IY+15)	If A is not equal to the current room (*IY+15) jump to Draw_Characters_CurrentRoom_Skip.
	47595	JR NZ,Draw_Characters_CurrentRoom_Skip
Draw the character in the shadow buffer as they are in the room with our current character.
	47597	CALL WriteSprite_ShadowBuffer	Call WriteSprite_ShadowBuffer.
Move onto the next character.
Draw_Characters_CurrentRoom_Skip	47600	DEC IY	Decrease IY by one.
	47602	POP BC	Restore the counter (BC) from the stack.
	47603	DJNZ Draw_Characters_CurrentRoom_Loop	Decrease counter by one and loop back to Draw_Characters_CurrentRoom_Loop until counter is zero.
Restores the current character pointer to IY.
	47605	POP IY	Restore IY from the stack.
Update the screen buffer and return.
	47607	CALL ShadowBufferToScreen	Call ShadowBufferToScreen.
	47610	RET	Return.