From 88fe6e82ca8448dd9fd60099ad66280ffdc49871 Mon Sep 17 00:00:00 2001
From: Jamiras <jamirasmt@gmail.com>
Date: Sun, 7 Feb 2021 20:08:54 -0700
Subject: [PATCH] don't invalidate out-of-range addresses

---
 cheevos/cheevos.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/cheevos/cheevos.c b/cheevos/cheevos.c
index a2ecab375a..c23f0ea7b3 100644
--- a/cheevos/cheevos.c
+++ b/cheevos/cheevos.c
@@ -501,7 +501,9 @@ static unsigned rcheevos_peek(unsigned address, unsigned num_bytes, void* ud)
       }
    }
 
-   rcheevos_invalidate_address(address);
+   if (address < rcheevos_locals.memory.total_size)
+      rcheevos_invalidate_address(address);
+
    return 0;
 }