From 62040a3ba21fd075b7775897a0fa6c522bbca83f Mon Sep 17 00:00:00 2001
From: Morilli <35152647+Morilli@users.noreply.github.com>
Date: Wed, 18 Jun 2025 09:26:52 +0200
Subject: [PATCH] don't save garbage/nonexistent saveram in quickernes

---
 .../Consoles/Nintendo/QuickNES/QuickNES.ISaveRam.cs           | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/QuickNES/QuickNES.ISaveRam.cs b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/QuickNES/QuickNES.ISaveRam.cs
index 57cb38fabe..b7fdd5b966 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/QuickNES/QuickNES.ISaveRam.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/QuickNES/QuickNES.ISaveRam.cs
@@ -6,12 +6,16 @@ namespace BizHawk.Emulation.Cores.Consoles.Nintendo.QuickNES
 	{
 		public byte[] CloneSaveRam(bool clearDirty)
 		{
+			if (!QN.qn_has_battery_ram(Context)) return null;
+
 			LibQuickNES.ThrowStringError(QN.qn_battery_ram_save(Context, _saveRamBuff, _saveRamBuff.Length));
 			return (byte[])_saveRamBuff.Clone();
 		}
 
 		public void StoreSaveRam(byte[] data)
 		{
+			if (!QN.qn_has_battery_ram(Context)) return;
+
 			LibQuickNES.ThrowStringError(QN.qn_battery_ram_load(Context, data, data.Length));
 		}