Comment, remove, or revise many unreferenced labels

engine/battle/core.asm

@@ -1697,7 +1697,7 @@ HandleWeather:
 	cp USING_EXTERNAL_CLOCK
 	jr z, .enemy_first
 
-.player_first
+; player first
 	call SetPlayerTurn
 	call .SandstormDamage
 	call SetEnemyTurn
@@ -2711,7 +2711,7 @@ AskUseNextPokemon:
 ForcePlayerMonChoice:
 	call EmptyBattleTextbox
 	call LoadStandardMenuHeader
-	call SetUpBattlePartyMenu_NoLoop
+	call SetUpBattlePartyMenu
 	call ForcePickPartyMonInBattle
 	ld a, [wLinkMode]
 	and a
@@ -2810,9 +2810,9 @@ IsMobileBattle:
 	cp LINK_MOBILE
 	ret
 
-SetUpBattlePartyMenu_NoLoop:
+SetUpBattlePartyMenu:
 	call ClearBGPalettes
-SetUpBattlePartyMenu: ; switch to fullscreen menu?
+SetUpBattlePartyMenu_Loop: ; switch to fullscreen menu?
 	farcall LoadPartyMenuGFX
 	farcall InitPartyMenuWithCancel
 	farcall InitPartyMenuBGPal7
@@ -3486,7 +3486,7 @@ OfferSwitch:
 	ld a, [wMenuCursorY]
 	dec a
 	jr nz, .said_no
-	call SetUpBattlePartyMenu_NoLoop
+	call SetUpBattlePartyMenu
 	call PickSwitchMonInBattle
 	jr c, .canceled_switch
 	ld a, [wCurBattleMon]
@@ -5043,7 +5043,7 @@ BattleMenuPKMN_ReturnFromStats:
 	call LoadStandardMenuHeader
 	call ClearBGPalettes
 BattleMenuPKMN_Loop:
-	call SetUpBattlePartyMenu
+	call SetUpBattlePartyMenu_Loop
 	xor a
 	ld [wPartyMenuActionText], a
 	call JumpToPartyMenuAndPrintText
@@ -8952,13 +8952,13 @@ InitBattleDisplay:
 	ldh [rSVBK], a
 
 	ld hl, wDecompressScratch
-	ld bc, wScratchAttrmap - wDecompressScratch
+	ld bc, BG_MAP_WIDTH * BG_MAP_HEIGHT
 	ld a, " "
 	call ByteFill
 
 	ld de, wDecompressScratch
 	hlbgcoord 0, 0
-	lb bc, BANK(.BlankBGMap), $40
+	lb bc, BANK(@), (BG_MAP_WIDTH * BG_MAP_HEIGHT) / LEN_2BPP_TILE
 	call Request2bpp
 
 	pop af