Add meaningful aliases for wd265

Introduce MONICON_* constants
Introduce BATTLEPLAYERACTION_* constants

engine/overworld/decorations.asm

@@ -559,7 +559,7 @@ GetDecoName:
 
 .getpokename
 	push bc
-	ld [wd265], a
+	ld [wNamedObjectIndexBuffer], a
 	call GetPokemonName
 	pop bc
 	jr .copy

engine/overworld/scripting.asm

@@ -623,7 +623,7 @@ INCLUDE "data/items/pocket_names.asm"
 
 CurItemName:
 	ld a, [wCurItem]
-	ld [wd265], a
+	ld [wNamedObjectIndexBuffer], a
 	call GetItemName
 	ret
 
@@ -1863,7 +1863,7 @@ Script_pokenamemem:
 	jr nz, .gotit
 	ld a, [wScriptVar]
 .gotit
-	ld [wd265], a
+	ld [wNamedObjectIndexBuffer], a
 	call GetPokemonName
 	ld de, wStringBuffer1
 
@@ -1890,7 +1890,7 @@ Script_itemtotext:
 	jr nz, .ok
 	ld a, [wScriptVar]
 .ok
-	ld [wd265], a
+	ld [wNamedObjectIndexBuffer], a
 	call GetItemName
 	ld de, wStringBuffer1
 	jr ConvertMemToText

engine/overworld/variables.asm

@@ -72,7 +72,7 @@ _GetVarAction::
 	ld hl, wPokedexCaught
 	ld b, wEndPokedexCaught - wPokedexCaught
 	call CountSetBits
-	ld a, [wd265]
+	ld a, [wNumSetBits]
 	jp .loadstringbuffer2
 
 .CountSeenMons:
@@ -80,7 +80,7 @@ _GetVarAction::
 	ld hl, wPokedexSeen
 	ld b, wEndPokedexSeen - wPokedexSeen
 	call CountSetBits
-	ld a, [wd265]
+	ld a, [wNumSetBits]
 	jp .loadstringbuffer2
 
 .CountBadges:
@@ -88,7 +88,7 @@ _GetVarAction::
 	ld hl, wBadges
 	ld b, 2
 	call CountSetBits
-	ld a, [wd265]
+	ld a, [wNumSetBits]
 	jp .loadstringbuffer2
 
 .PlayerFacing: