Comment more ROM labels as unreferenced

(Some unreferenced labels are above code which is still used via fallthrough!)

home/audio.asm

@@ -286,12 +286,12 @@ MinVolume::
 	ld [wVolume], a
 	ret
 
-Unused_FadeOutMusic::
+FadeOutToMusic:: ; unreferenced
 	ld a, 4
 	ld [wMusicFade], a
 	ret
 
-FadeInMusic::
+FadeInToMusic::
 	ld a, 4 | (1 << MUSIC_FADE_IN_F)
 	ld [wMusicFade], a
 	ret

home/copy.asm

@@ -117,7 +117,7 @@ GetFarWRAMByte::
 	ldh a, [hFarByte]
 	ret
 
-GetFarWRAMWord::
+GetFarWRAMWord:: ; unreferenced
 	ldh [hTempBank], a
 	ldh a, [rSVBK]
 	push af

home/farcall.asm

@@ -24,6 +24,7 @@ FarCall_hl::
 	ldh a, [hTempBank]
 	rst Bankswitch
 	call FarCall_JumpToHL
+	; fallthrough
 
 ReturnFarCall::
 ; We want to retain the contents of f.

home/gfx.asm

@@ -337,6 +337,7 @@ Get2bpp::
 	ldh a, [rLCDC]
 	bit rLCDC_ENABLE, a
 	jp nz, Request2bpp
+	; fallthrough
 
 Copy2bpp:
 ; copy c 2bpp tiles from b:de to hl
@@ -366,6 +367,7 @@ Get1bpp::
 	ldh a, [rLCDC]
 	bit rLCDC_ENABLE, a
 	jp nz, Request1bpp
+	; fallthrough
 
 Copy1bpp::
 ; copy c 1bpp tiles from b:de to hl

home/joypad.asm

@@ -261,19 +261,20 @@ StopAutoInput::
 	ld [wInputType], a
 	ret
 
-JoyTitleScreenInput::
+JoyTitleScreenInput:: ; unreferenced
 .loop
-
 	call DelayFrame
 
 	push bc
 	call JoyTextDelay
 	pop bc
 
+; Save data can be deleted by pressing Up + B + Select.
 	ldh a, [hJoyDown]
 	cp D_UP | SELECT | B_BUTTON
 	jr z, .keycombo
 
+; Press Start or A to start the game.
 	ldh a, [hJoyLast]
 	and START | A_BUTTON
 	jr nz, .keycombo

home/map.asm

@@ -1109,14 +1109,14 @@ ObjectEventText::
 	text_far _ObjectEventText
 	text_end
 
-BGEvent::
+BGEvent:: ; unreferenced
 	jumptext BGEventText
 
 BGEventText::
 	text_far _BGEventText
 	text_end
 
-CoordinatesEvent::
+CoordinatesEvent:: ; unreferenced
 	jumptext CoordinatesEventText
 
 CoordinatesEventText::
@@ -2047,7 +2047,7 @@ SwitchToAnyMapAttributesBank::
 	rst Bankswitch
 	ret
 
-GetMapAttributesBank::
+GetMapAttributesBank:: ; unreferenced
 	ld a, [wMapGroup]
 	ld b, a
 	ld a, [wMapNumber]

home/menu.asm

@@ -282,8 +282,9 @@ MenuBoxCoord2Attr::
 	ld c, a
 	ld a, [wMenuBorderTopCoord]
 	ld b, a
+	; fallthrough
 
-Coord2Attr::
+Coord2Attr:: ; unreferenced
 ; Return the address of wAttrmap(c, b) in hl.
 	xor a
 	ld h, a
@@ -835,7 +836,7 @@ InterpretBattleMenu::
 	ld a, [wMenuCursorBuffer]
 	ret
 
-InterpretMobileMenu::
+InterpretMobileMenu:: ; unreferenced
 	ldh a, [hROMBank]
 	ld [wMenuData_2DMenuItemStringsBank], a
 	farcall _InterpretMobileMenu

home/palettes.asm

@@ -16,6 +16,7 @@ UpdateCGBPals::
 	ldh a, [hCGBPalUpdate]
 	and a
 	ret z
+	; fallthrough
 
 ForceUpdateCGBPals::
 	ldh a, [rSVBK]

home/sine.asm

@@ -1,4 +1,4 @@
-Cosine::
+Cosine:: ; unreferenced
 ; a = d * cos(a * pi/32)
 	add %010000 ; cos(x) = sin(x + pi/2)
 	; fallthrough