The Hobbit: Routine at 782B

782B: Put PHRASE into the frame's first free noun phrase

Used by the routine at PARSE_NOUN. E's bit 6 says the first, at offset 4, is still empty, and bit 7 the second, at offset 14. A third phrase is an error.
FILE_PHRASE	782B	BIT 6,E	The first phrase still empty? It goes there
	782D	JR NZ,FILE_FIRST_PHRASE	The first phrase still empty? It goes there
	782F	BIT 7,E	Nor the second: one phrase too many
	7831	JR NZ,FILE_SECOND_PHRASE
	7833	CALL ORDERS_ONLY
	7836	XOR A
	7837	RET
This entry point is used by the routine at IT_PHRASE.
FILE_SECOND_PHRASE	7838	RES 7,E	The second, at offset 14
	783A	PUSH DE
	783B	LD DE,$000E
This entry point is used by the routine at FILE_FIRST_PHRASE.
FILE_PHRASE_AT	783E	PUSH BC	Copy the ten bytes of PHRASE into the frame at that offset
	783F	PUSH IY
	7841	POP HL
	7842	ADD HL,DE
	7843	EX DE,HL
	7844	LD HL,PHRASE_PREPOSITIONS
	7847	LD BC,$000A
	784A	LDIR
	784C	POP BC
	784D	POP DE
	784E	XOR A
	784F	RET