From 684cb15fc9ae5665227beab697a566d5d1cef4e4 Mon Sep 17 00:00:00 2001
From: sanni <sanni@users.noreply.github.com>
Date: Fri, 15 Sep 2017 18:13:46 +0200
Subject: [PATCH] V28D: Simplify GBA Logo Check

byte overflow in last commit
---
 Cart_Reader/GBA.ino | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Cart_Reader/GBA.ino b/Cart_Reader/GBA.ino
index 145e300..5defd06 100644
--- a/Cart_Reader/GBA.ino
+++ b/Cart_Reader/GBA.ino
@@ -748,12 +748,12 @@ void getCartInfo_GBA() {
   }
 
   // Compare Nintendo logo against known checksum, 156 bytes starting at 0x04
-  byte logoChecksum = 0;
+  word logoChecksum = 0;
   for (int currByte = 0x4; currByte < 0xA0; currByte++) {
     logoChecksum += sdBuffer[currByte];
   }
 
-  if (logoChecksum != 0x1B) {
+  if (logoChecksum != 0x4B1B) {
     print_Error(F("CARTRIDGE ERROR"), false);
     strcpy(romName, "ERROR");
     println_Msg(F(""));