From c8e82ba1e53012a068fcc5e1ca7662fb11d07785 Mon Sep 17 00:00:00 2001
From: Morilli <35152647+Morilli@users.noreply.github.com>
Date: Mon, 5 May 2025 20:31:06 +0200
Subject: [PATCH] dispose discs in dosbox

see #4301
---
 .../Computers/DOS/DOSBox.cs                     | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/BizHawk.Emulation.Cores/Computers/DOS/DOSBox.cs b/src/BizHawk.Emulation.Cores/Computers/DOS/DOSBox.cs
index 8d2b973000..bf235ce33b 100644
--- a/src/BizHawk.Emulation.Cores/Computers/DOS/DOSBox.cs
+++ b/src/BizHawk.Emulation.Cores/Computers/DOS/DOSBox.cs
@@ -45,6 +45,7 @@ namespace BizHawk.Emulation.Cores.Computers.DOS
 		private int _floppyDiskCount = 0;
 		private int _currentFloppyDisk = 0;
 		private int _currentCDROM = 0;
+		private bool _disposed;
 
 		private string GetFullName(IRomAsset rom) => Path.GetFileName(rom.RomPath.SubstringAfter('|'));
 
@@ -606,5 +607,21 @@ namespace BizHawk.Emulation.Cores.Computers.DOS
 			_libDOSBox.GetHDDData(hddArray);
 			return hddArray;
 		}
+
+		public override void Dispose()
+		{
+			if (_disposed) return;
+			_disposed = true;
+
+			if (_discAssets is not null)
+			{
+				foreach (var discAsset in _discAssets)
+				{
+					discAsset.DiscData.Dispose();
+				}
+			}
+
+			base.Dispose();
+		}
 	}
 }