From ddd4938d438995c794aa3430cba0826410a3e5a6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=B4=AB=E8=9D=B6=E5=86=B0=E6=BE=9C?=
 <32889615+zdg-kinlon@users.noreply.github.com>
Date: Mon, 26 Jan 2026 18:49:41 +0800
Subject: [PATCH] NES: Fixed GetInternalOpenBus() returning external bus value
 by mistake.

It should return _internalOpenBus to correctly reflect CPU-internal open bus state, especially after reads like $ 4015.
---
 Core/NES/OpenBusHandler.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Core/NES/OpenBusHandler.h b/Core/NES/OpenBusHandler.h
index e01689775..cc6c7f790 100644
--- a/Core/NES/OpenBusHandler.h
+++ b/Core/NES/OpenBusHandler.h
@@ -31,7 +31,7 @@ class OpenBusHandler : public INesMemoryHandler, public ISerializable
 
 	__forceinline uint8_t GetInternalOpenBus()
 	{
-		return _externalOpenBus;
+		return _internalOpenBus;
 	}
 
 	__forceinline void SetOpenBus(uint8_t value, bool setInternalOnly)