From a146093e4e3750e934f9fb54fe306eed1a1258e8 Mon Sep 17 00:00:00 2001
From: BearOso <bearoso@gmail.com>
Date: Sat, 6 Feb 2021 13:08:46 -0600
Subject: [PATCH] memmap: Add heuristic to detect Earthbound hack.

Fixes issue #691.
---
 memmap.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/memmap.cpp b/memmap.cpp
index bd714e68..6caa27a5 100644
--- a/memmap.cpp
+++ b/memmap.cpp
@@ -1104,6 +1104,9 @@ int CMemory::ScoreHiROM (bool8 skip_header, int32 romoff)
 	uint8	*buf = ROM + 0xff00 + romoff + (skip_header ? 0x200 : 0);
 	int		score = 0;
 
+	if (buf[0xd7] == 13 && CalculatedSize > 1024 * 1024 * 4)
+		score += 5;
+
 	if (buf[0xd5] & 0x1)
 		score += 2;