Add subdirectories to engine/ similar to pokecrystal

engine/debug/debug_party.asm

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+; This function appears to never be used.
+; It is likely a debugging feature to give the player Tsunekazu Ishihara's
+; favorite Pokemon. This is indicated by the overpowered Exeggutor, which
+; Ishihara (president of Creatures Inc.) said was his favorite Pokemon in an ABC
+; interview on February 8, 2000.
+; "Exeggutor is my favorite. That's because I was always using this character
+; while I was debugging the program."
+; http://www.ign.com/articles/2000/02/09/abc-news-pokamon-chat-transcript
+
+SetIshiharaTeam:
+	ld de, IshiharaTeam
+.loop
+	ld a, [de]
+	cp $ff
+	ret z
+	ld [wcf91], a
+	inc de
+	ld a, [de]
+	ld [wCurEnemyLVL], a
+	inc de
+	call AddPartyMon
+	jr .loop
+
+IshiharaTeam:
+	db EXEGGUTOR,90
+	db MEW,20
+	db JOLTEON,56
+	db DUGTRIO,56
+	db ARTICUNO,57
+	db $FF
+
+EmptyFunc:
+	ret

engine/debug/test_battle.asm

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+TestBattle:
+	ret
+
+.loop
+	call GBPalNormal
+
+	; Don't mess around
+	; with obedience.
+	ld a, %10000000 ; EARTHBADGE
+	ld [wObtainedBadges], a
+
+	ld hl, wFlags_D733
+	set BIT_TEST_BATTLE, [hl]
+
+	; Reset the party.
+	ld hl, wPartyCount
+	xor a
+	ld [hli], a
+	dec a
+	ld [hl], a
+
+	; Give the player a
+	; level 20 Rhydon.
+	ld a, RHYDON
+	ld [wcf91], a
+	ld a, 20
+	ld [wCurEnemyLVL], a
+	xor a
+	ld [wMonDataLocation], a
+	ld [wCurMap], a
+	call AddPartyMon
+
+	; Fight against a
+	; level 20 Rhydon.
+	ld a, RHYDON
+	ld [wCurOpponent], a
+
+	predef InitOpponent
+
+	; When the battle ends,
+	; do it all again.
+	ld a, 1
+	ld [wUpdateSpritesEnabled], a
+	ld [H_AUTOBGTRANSFERENABLED], a
+	jr .loop