Identify some more labels, and make some more consistent

engine/link/link.asm

@@ -1249,7 +1249,7 @@ LinkTradeOTPartymonMenuLoop:
 .not_d_up
 	bit D_DOWN_F, a
 	jp z, LinkTradePartiesMenuMasterLoop
-	jp LinkTradeCheckCancel
+	jp LinkTradeOTPartymonMenuCheckCancel
 
 LinkTrade_PlayerPartyMenu:
 	farcall InitMG_Mobile_LinkTradePalMap
@@ -1323,7 +1323,7 @@ LinkTradePartymonMenuLoop:
 	ld [hl], " "
 	pop bc
 	pop hl
-	jp Function28ade
+	jp LinkTradePartymonMenuCheckCancel
 
 LinkTradePartiesMenuMasterLoop:
 	ld a, [wMonType]
@@ -1501,11 +1501,12 @@ LinkTrade_TradeStatsMenu:
 	text_far _LinkAbnormalMonText
 	text_end
 
-LinkTradeCheckCancel:
+LinkTradeOTPartymonMenuCheckCancel:
 	ld a, [wMenuCursorY]
 	cp 1
 	jp nz, LinkTradePartiesMenuMasterLoop
 	call HideCursor
+
 	push hl
 	push bc
 	ld bc, NAME_LENGTH
@@ -1513,7 +1514,9 @@ LinkTradeCheckCancel:
 	ld [hl], " "
 	pop bc
 	pop hl
-Function28ade:
+	; fallthrough
+
+LinkTradePartymonMenuCheckCancel:
 .loop1
 	ld a, "▶"
 	ldcoord_a 9, 17
@@ -1548,6 +1551,8 @@ Function28ade:
 	ld a, [wOtherPlayerLinkMode]
 	cp $f
 	jr nz, .loop1
+	; fallthrough
+
 ExitLinkCommunications:
 	call RotateThreePalettesRight
 	call ClearScreen

engine/link/link_trade.asm

@@ -8,20 +8,23 @@ __LoadTradeScreenBorderGFX:
 	call Get2bpp
 	ret
 
-Function16d42e:
-	ld hl, Tilemap_MobileTradeBorderFullscreen
+LoadMobileTradeBorderTilemap:
+	ld hl, MobileTradeBorderTilemap
 	decoord 0, 0
 	ld bc, SCREEN_WIDTH * SCREEN_HEIGHT
 	call CopyBytes
 	ret
 
-Function16d43b: ; unreferenced
+TestMobileTradeBorderTilemap: ; unreferenced
+; Loads the mobile trade border graphics and tilemap,
+; with a placeholder SCGB_DIPLOMA layout, and exits
+; after pressing A or B. Possibly used for testing.
 	call LoadStandardMenuHeader
 	call ClearBGPalettes
 	call ClearTilemap
 	call ClearSprites
 	farcall __LoadTradeScreenBorderGFX ; useless to farcall
-	farcall Function16d42e ; useless to farcall
+	farcall LoadMobileTradeBorderTilemap ; useless to farcall
 	ld b, SCGB_DIPLOMA
 	call GetSGBLayout
 	call SetPalettes
@@ -30,13 +33,13 @@ Function16d43b: ; unreferenced
 	call Call_ExitMenu
 	ret
 
-Tilemap_MobileTradeBorderFullscreen:
-INCBIN "gfx/trade/border_mobile_fullscreen.tilemap"
+MobileTradeBorderTilemap:
+INCBIN "gfx/trade/border_mobile.tilemap"
 
-Tilemap_CableTradeBorderTop:
+CableTradeBorderTopTilemap:
 INCBIN "gfx/trade/border_cable_top.tilemap"
 
-Tilemap_CableTradeBorderBottom:
+CableTradeBorderBottomTilemap:
 INCBIN "gfx/trade/border_cable_bottom.tilemap"
 
 _LinkTextbox:
@@ -111,7 +114,7 @@ _LinkTextbox:
 
 InitTradeSpeciesList:
 	call _LoadTradeScreenBorderGFX
-	call Function16d6ae
+	call LoadCableTradeBorderTilemap
 	farcall InitMG_Mobile_LinkTradePalMap
 	farcall PlaceTradePartnerNamesAndParty
 	hlcoord 10, 17
@@ -137,13 +140,13 @@ LoadTradeRoomBGPals:
 	farcall _LoadTradeRoomBGPals
 	ret
 
-Function16d6ae:
-	call Function16d42e
-	ld hl, Tilemap_CableTradeBorderTop
+LoadCableTradeBorderTilemap:
+	call LoadMobileTradeBorderTilemap
+	ld hl, CableTradeBorderTopTilemap
 	decoord 0, 0
 	ld bc, 2 * SCREEN_WIDTH
 	call CopyBytes
-	ld hl, Tilemap_CableTradeBorderBottom
+	ld hl, CableTradeBorderBottomTilemap
 	decoord 0, 16
 	ld bc, 2 * SCREEN_WIDTH
 	call CopyBytes