Add comments associating constants with data, and identify some more data

engine/gfx/mon_icons.asm

@@ -55,11 +55,11 @@ GetAnimationSpeed:
 	ld bc, $10
 	ld a, [wCurrentMenuItem]
 	call AddNTimes
-	ld c, $40 ; amount to increase the tile id by
+	ld c, ICONOFFSET
 	ld a, [hl]
-	cp $4 ; tile ID for ICON_BALL
+	cp ICON_BALL << 2
 	jr z, .editCoords
-	cp $8 ; tile ID for ICON_HELIX
+	cp ICON_HELIX << 2
 	jr nz, .editTileIDS
 ; ICON_BALL and ICON_HELIX only shake up and down
 .editCoords
@@ -274,7 +274,7 @@ GetPartyMonSpriteID:
 	swap a ; use lower nybble if pokedex num is even
 .skipSwap
 	and $f0
-	srl a
+	srl a ; value == ICON constant << 2
 	srl a
 	ret
 

engine/gfx/palettes.asm

@@ -241,6 +241,7 @@ SetPal_TrainerCard:
 	ret
 
 SetPalFunctions:
+; entries correspond to SET_PAL_* constants
 	dw SetPal_BattleBlack
 	dw SetPal_Battle
 	dw SetPal_TownMap