From 6fc7ac6b619de3a9cdc095423d7f2a7fd3a7aab6 Mon Sep 17 00:00:00 2001
From: YoshiRulz <OSSYoshiRulz+git@gmail.com>
Date: Wed, 28 May 2025 05:43:18 +1000
Subject: [PATCH] Attempt to fix parsing mapper 4 from NES 2.0 header (resolves
 #4336)

---
 .../Consoles/Nintendo/NES/Boards/MMC3_family/TxROM.cs            | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/MMC3_family/TxROM.cs b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/MMC3_family/TxROM.cs
index 9af000e9a6..39c65df7c2 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/MMC3_family/TxROM.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/MMC3_family/TxROM.cs
@@ -34,6 +34,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 				case "TXROM-HOMEBREW": // should this even exist?
 					break;
 				case "MAPPER004":
+				case "MAPPER0004-00":
 					if (Cart.InesMirroring == 2) // send these to TVROM
 						return false;
 					break;