From 4b11f36a0aff0751dedf2b536b40b5424b3b3871 Mon Sep 17 00:00:00 2001
From: Sawakita <sawakitanoodles@gmail.com>
Date: Sun, 8 Jan 2012 14:12:18 +0100
Subject: [PATCH] Add explanatory comment to function CheckBagItemExist
 ($3493).

hg-commit-id: 1765b4515253
---
 pokered.asm | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/pokered.asm b/pokered.asm
index e25e9c81..248dbb1e 100644
--- a/pokered.asm
+++ b/pokered.asm
@@ -1091,8 +1091,9 @@ HiddenPrefix:
 INCBIN "baserom.gbc",$3040,$3493 - $3040
 
 CheckBagItemExist: ; $3493: ; 3493
-; XXX what does this do
-; related to Pokémon Tower and ghosts
+; given an item_id in b
+; set zero flag if item isn't in player's bag
+; else reset zero flag
 	ld a,$1C
 	call Predef
 	ld a,b