The Hobbit: Routine at 40192

Used by the routine at Condition_TotalTheMassInside.

Adds the volume or the mass of each object inside the id in A. Volume covers those objects only; mass also adds what they hold. An overflow returns 255.

Used by the routine at Condition_TotalTheMassInside. Adds the volume or the mass of each object inside the id in A. Volume covers those objects only; mass also adds what they hold. An overflow returns 255.
Condition_AddUpTheObjectsInside	40192	PUSH IX	Point IX at the object table.
	40194	LD IX,49251	Point IX at the object table.
Condition_AddUpTheObjectsInside_Loop	40198	CALL Table_FindTheRecord	Call Table_FindTheRecord to find the record.
	40201	JR Z,Condition_AddUpTheObjectsInside_RestoreAndReturn	Jump to Condition_AddUpTheObjectsInside_RestoreAndReturn at the end of the object index.
	40203	CP (IY+1)	Jump back to Condition_AddUpTheObjectsInside_Loop if where this object is is not the id in A.
	40206	JR NZ,Condition_AddUpTheObjectsInside_Loop
	40208	PUSH AF	Jump to Condition_AddUpTheObjectsInside_AddTheMass if B is zero (add masses instead of volumes).
	40209	SUB A
	40210	CP B
	40211	LD A,C
	40212	JR Z,Condition_AddUpTheObjectsInside_AddTheMass
	40214	ADD A,(IY+2)	Add the object's volume onto the total.
	40217	JP PE,Condition_AddUpTheObjectsInside_MarkTheTotalAsFull	Jump to Condition_AddUpTheObjectsInside_MarkTheTotalAsFull if the total overflowed.
	40220	LD C,A	Copy the result into C.
	40221	JR Condition_AddUpTheObjectsInside_FindTheRecord	Jump to Condition_AddUpTheObjectsInside_FindTheRecord to find the next record.
Condition_AddUpTheObjectsInside_AddTheMass	40223	ADD A,(IY+3)	Add the object's mass onto the total.
	40226	JP PE,Condition_AddUpTheObjectsInside_MarkTheTotalAsFull	Jump to Condition_AddUpTheObjectsInside_MarkTheTotalAsFull if the total overflowed.
	40229	LD C,A	Copy the result into C.
	40230	LD A,(IX+0)	Read the id from the index entry.
	40233	CALL Condition_AddUpTheObjectsInside	Call Condition_AddUpTheObjectsInside to add the mass of what this object holds.
Condition_AddUpTheObjectsInside_FindTheRecord	40236	POP AF	Jump back to Condition_AddUpTheObjectsInside_Loop to find the record.
	40237	JR Condition_AddUpTheObjectsInside_Loop
Condition_AddUpTheObjectsInside_RestoreAndReturn	40239	POP IX	Restore IX from the stack.
	40241	RET	Return.
Condition_AddUpTheObjectsInside_MarkTheTotalAsFull	40242	POP AF	Pop the saved id and mark the total as full (255).
	40243	LD C,255	Pop the saved id and mark the total as full (255).
	40245	JR Condition_AddUpTheObjectsInside_RestoreAndReturn	Jump back to Condition_AddUpTheObjectsInside_RestoreAndReturn to return.
View the equivalent code in; Sherlock