From 2838a5412ae470bf90c47e15331a4607d89a36ea Mon Sep 17 00:00:00 2001
From: CasualPokePlayer <50538166+CasualPokePlayer@users.noreply.github.com>
Date: Sat, 15 Apr 2023 21:33:51 -0700
Subject: [PATCH] Fix DeltaSerializer's `GetDelta`

Fixes AppleII/C64 states sometimes crashing when a disk change actually happens
---
 src/BizHawk.Common/DeltaSerializer.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/BizHawk.Common/DeltaSerializer.cs b/src/BizHawk.Common/DeltaSerializer.cs
index b51b2dda39..5003046791 100644
--- a/src/BizHawk.Common/DeltaSerializer.cs
+++ b/src/BizHawk.Common/DeltaSerializer.cs
@@ -91,10 +91,10 @@ namespace BizHawk.Common
 							while (index < end && orignalAsBytes[index] == currentAsBytes[index])
 							{
 								index++;
+								same++;
 							}
 						}
 
-						same = index - blockStart;
 						MemoryMarshal.Write(ret.Slice(retSize, 4), ref same);
 						retSize += 4;
 					}