Identify more unnamed labels

14 files changed, 44 insertions, 31 deletions

diff --git a/engine/battle/ai/items.asm b/engine/battle/ai/items.asm
index 7b4f2f47..e11643cd 100644
--- a/engine/battle/ai/items.asm
+++ b/engine/battle/ai/items.asm
@@ -746,7 +746,14 @@ EnemyUsedDireHit:
 	ld a, DIRE_HIT
 	jp PrintText_UsedItemOn_AND_AIUpdateHUD
 
-Function38510: ; unreferenced
+AICheckEnemyFractionMaxHP: ; unreferenced
+; Input: a = divisor
+; Work: bc = [wEnemyMonMaxHP] / a
+; Work: de = [wEnemyMonHP]
+; Output:
+; -  c, nz if [wEnemyMonHP] > [wEnemyMonMaxHP] / a
+; - nc,  z if [wEnemyMonHP] = [wEnemyMonMaxHP] / a
+; - nc, nz if [wEnemyMonHP] < [wEnemyMonMaxHP] / a
 	ldh [hDivisor], a
 	ld hl, wEnemyMonMaxHP
 	ld a, [hli]
diff --git a/engine/battle/battle_transition.asm b/engine/battle/battle_transition.asm
index cc324922..8217edcb 100644
--- a/engine/battle/battle_transition.asm
+++ b/engine/battle/battle_transition.asm
@@ -737,9 +737,9 @@ ENDM
 	jr nz, .row
 	ret
 
-Function8ca53: ; unreferenced
+UnusedWaitBGMapOnce: ; unreferenced
 	ld a, 1
-	ldh [hBGMapMode], a
+	ldh [hBGMapMode], a ; redundant
 	call WaitBGMap
 	xor a
 	ldh [hBGMapMode], a
diff --git a/engine/battle/core.asm b/engine/battle/core.asm
index 9fcf1f38..a7524172 100644
--- a/engine/battle/core.asm
+++ b/engine/battle/core.asm
@@ -7875,7 +7875,7 @@ InitEnemyWildmon:
 	predef PlaceGraphic
 	ret
 
-Function3f41a: ; unreferenced
+FillEnemyMovesFromMoveIndicesBuffer: ; unreferenced
 	ld hl, wEnemyMonMoves
 	ld de, wListMoves_MoveIndicesBuffer
 	ld b, NUM_MOVES
diff --git a/engine/battle_anims/anim_commands.asm b/engine/battle_anims/anim_commands.asm
index 61fa7fb9..a309ae2f 100644
--- a/engine/battle_anims/anim_commands.asm
+++ b/engine/battle_anims/anim_commands.asm
@@ -189,16 +189,18 @@ ClearActorHud:
 	call ClearBox
 	ret
 
-Functioncc1ff: ; unreferenced
+PlaceWindowOverBattleTextbox: ; unreferenced
 	xor a
 	ldh [hBGMapMode], a
-	ld a, LOW(vBGMap0 tile $28)
+	; bgcoord hBGMapAddress, 0, 20
+	ld a, LOW(vBGMap0 + 20 * BG_MAP_WIDTH)
 	ldh [hBGMapAddress], a
-	ld a, HIGH(vBGMap0 tile $28)
+	ld a, HIGH(vBGMap0 + 20 * BG_MAP_WIDTH)
 	ldh [hBGMapAddress + 1], a
 	call WaitBGMap2
-	ld a, $60
+	ld a, (SCREEN_HEIGHT - TEXTBOX_HEIGHT) * TILE_WIDTH
 	ldh [hWY], a
+	; bgcoord hBGMapAddress, 0, 0
 	xor a ; LOW(vBGMap0)
 	ldh [hBGMapAddress], a
 	ld a, HIGH(vBGMap0)
diff --git a/engine/events/npc_trade.asm b/engine/events/npc_trade.asm
index f410c28d..d4e450c2 100644
--- a/engine/events/npc_trade.asm
+++ b/engine/events/npc_trade.asm
@@ -283,14 +283,14 @@ CopyTradeName:
 	call CopyBytes
 	ret
 
-Functionfcbc7: ; unreferenced
+Trade_CopyFourCharString: ; unreferenced
 	ld bc, 4
 	call CopyBytes
 	ld a, "@"
 	ld [de], a
 	ret
 
-Functionfcbd1: ; unreferenced
+Trade_CopyThreeCharString: ; unreferenced
 	ld bc, 3
 	call CopyBytes
 	ld a, "@"
diff --git a/engine/games/slot_machine.asm b/engine/games/slot_machine.asm
index a0d99629..68a56bbc 100644
--- a/engine/games/slot_machine.asm
+++ b/engine/games/slot_machine.asm
@@ -229,8 +229,7 @@ SlotsLoop:
 	call PrintNum
 	ret
 
-Function92d7a: ; unreferenced
-; debug function?
+DebugPrintSlotBias: ; unreferenced
 	ld a, [wSlotBias]
 	add 0
 	daa
@@ -247,8 +246,8 @@ Function92d7a: ; unreferenced
 	ld [hl], a
 	ret
 
-Function92d95: ; unreferenced
-; animate OAM tiles?
+AnimateSlotReelIcons: ; unreferenced
+; This animation was present in pokegold-spaceworld.
 	ld hl, wce66
 	ld a, [hl]
 	inc [hl]
@@ -258,7 +257,7 @@ Function92d95: ; unreferenced
 	ld c, NUM_SPRITE_OAM_STRUCTS - 16
 .loop
 	ld a, [hl]
-	xor %00100000
+	xor $20 ; alternate between $00-$1f and $20-$3f
 	ld [hli], a ; tile id
 rept SPRITEOAMSTRUCT_LENGTH - 1
 	inc hl
@@ -844,7 +843,9 @@ Slots_UpdateReelPositionAndOAM:
 	jr nz, .loop
 	ret
 
-Function93127: ; unreferenced
+GetUnknownSlotReelData: ; unreferenced
+; Used to get OAM attribute values for slot reels?
+; (final Slots_UpdateReelPositionAndOAM above reuses tile IDs as OAM palettes)
 	push hl
 	srl a
 	srl a
diff --git a/engine/gfx/color.asm b/engine/gfx/color.asm
index 454a2f08..c6ce55aa 100644
--- a/engine/gfx/color.asm
+++ b/engine/gfx/color.asm
@@ -646,12 +646,13 @@ GetMonPalettePointer:
 	call _GetMonPalettePointer
 	ret
 
-Function9be8: ; unreferenced
+CGBCopyBattleObjectPals: ; unreferenced
+; dummied out
 	ret
 	call CheckCGB
 	ret z
 	ld hl, BattleObjectPals
-	ld a, $90
+	ld a, (1 << rOBPI_AUTO_INCREMENT) | $10
 	ldh [rOBPI], a
 	ld c, 6 palettes
 .loop
@@ -671,7 +672,7 @@ INCLUDE "gfx/battle_anims/battle_anims.pal"
 Function9c39: ; unreferenced
 	call CheckCGB
 	ret z
-	ld a, $90
+	ld a, (1 << rOBPI_AUTO_INCREMENT) | $10
 	ldh [rOBPI], a
 	ld a, PREDEFPAL_TRADE_TUBE
 	call GetPredefPal
@@ -869,7 +870,7 @@ _InitSGBBorderPals:
 	dw DataSndPacket7
 	dw DataSndPacket8
 
-Function9d70: ; unreferenced
+UpdateSGBBorder: ; unreferenced
 	di
 	xor a
 	ldh [rJOYP], a
diff --git a/engine/items/tmhm.asm b/engine/items/tmhm.asm
index 4fe6876d..bc6f94c6 100644
--- a/engine/items/tmhm.asm
+++ b/engine/items/tmhm.asm
@@ -483,7 +483,7 @@ TMHM_PlaySFX_ReadText2:
 	pop de
 	ret
 
-Function2c8e4: ; unreferenced
+VerboseReceiveTMHM: ; unreferenced
 	call ConvertCurItemIntoCurTMHM
 	call .CheckHaveRoomForTMHM
 	ld hl, .NoRoomTMHMText
@@ -509,7 +509,7 @@ Function2c8e4: ; unreferenced
 	add hl, bc
 	ld a, [hl]
 	inc a
-	cp NUM_TMS * 2
+	cp MAX_ITEM_STACK + 1
 	ret nc
 	ld [hl], a
 	ret
diff --git a/engine/movie/splash.asm b/engine/movie/splash.asm
index 903ec4ea..1e74d9b8 100644
--- a/engine/movie/splash.asm
+++ b/engine/movie/splash.asm
@@ -136,7 +136,7 @@ GameFreakPresents_NextScene:
 	inc [hl]
 	ret
 
-Functione4a8d: ; unreferenced
+GameFreakPresents_Wait64Frames: ; unreferenced
 	ld c, 64
 	call DelayFrames
 	call GameFreakPresents_NextScene
diff --git a/engine/overworld/map_objects.asm b/engine/overworld/map_objects.asm
index d163c1d1..81ad8d62 100644
--- a/engine/overworld/map_objects.asm
+++ b/engine/overworld/map_objects.asm
@@ -26,7 +26,7 @@ DeleteMapObject::
 	pop bc
 	ret
 
-Function437c:
+HandleObjectStep:
 	call .CheckObjectStillVisible
 	ret c
 	call .HandleStepType
@@ -609,7 +609,7 @@ MapObjectMovementPattern:
 	ret
 
 .ObeyDPad:
-	ld hl, Function4fa8
+	ld hl, ApplyPlayerMovementByte
 	jp HandleMovementData
 
 .Movement08:
@@ -630,7 +630,7 @@ MapObjectMovementPattern:
 	jp _GetMovementObject
 
 .Movement0d:
-	ld hl, Function4fa8
+	ld hl, ApplyPlayerMovementByte
 	jp HandleMovementData
 
 .Movement0e:
@@ -1791,7 +1791,7 @@ UpdateJumpPosition:
 	db  -4,  -6,  -8, -10, -11, -12, -12, -12
 	db -11, -10,  -9,  -8,  -6,  -4,   0,   0
 
-Function4fa8: ; unscripted?
+ApplyPlayerMovementByte:
 ; copy [wPlayerNextMovement] to [wPlayerMovement]
 	ld a, [wPlayerNextMovement]
 	ld hl, wPlayerMovement
@@ -2380,7 +2380,7 @@ HandleNPCStep::
 	ldh [hMapObjectIndexBuffer], a
 	call DoesObjectHaveASprite
 	jr z, .next
-	call Function437c
+	call HandleObjectStep
 .next
 	ld hl, OBJECT_LENGTH
 	add hl, bc
diff --git a/engine/phone/phone.asm b/engine/phone/phone.asm
index e94ed412..00cbec75 100644
--- a/engine/phone/phone.asm
+++ b/engine/phone/phone.asm
@@ -529,7 +529,7 @@ Phone_CallEnd:
 	call HangUp_Wait20Frames
 	ret
 
-Function9030a:
+HangUp_ShutDown: ; unreferenced
 	ld de, SFX_SHUT_DOWN_PC
 	call PlaySFX
 	ret
diff --git a/engine/pokegear/pokegear.asm b/engine/pokegear/pokegear.asm
index e7ffe340..998cb589 100644
--- a/engine/pokegear/pokegear.asm
+++ b/engine/pokegear/pokegear.asm
@@ -2724,7 +2724,7 @@ INCBIN "gfx/pokegear/dexmap_nest_icon.2bpp"
 FlyMapLabelBorderGFX:
 INCBIN "gfx/pokegear/flymap_label_border.1bpp"
 
-Function92264:
+Function92264: ; unreferenced
 	xor a
 	ld [wTownMapPlayerIconLandmark], a
 	call ClearBGPalettes
diff --git a/engine/pokemon/stats_screen.asm b/engine/pokemon/stats_screen.asm
index d1bc4172..b53a2622 100644
--- a/engine/pokemon/stats_screen.asm
+++ b/engine/pokemon/stats_screen.asm
@@ -512,7 +512,8 @@ LoadPinkPage:
 .PkrsStr:
 	db "#RUS@"
 
-Function50f4d: ; unreferenced
+StatsScreen_PlaceVerticalDivider: ; unreferenced
+; The Japanese stats screen has a vertical divider.
 	hlcoord 7, 0
 	ld bc, SCREEN_WIDTH
 	ld d, SCREEN_HEIGHT
diff --git a/engine/rtc/print_hours_mins.asm b/engine/rtc/print_hours_mins.asm
index 4efd461a..149e8cb1 100644
--- a/engine/rtc/print_hours_mins.asm
+++ b/engine/rtc/print_hours_mins.asm
@@ -1,4 +1,5 @@
 Function1c0a0d: ; unreferenced
+; Debug function?
 	ld a, b
 	ld b, c
 	ld c, a