diff --git a/.gitignore b/.gitignore
index 3e7072a1..a9b46db6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -101,6 +101,7 @@ Tools/unix/zx/zx
 !Source/Z1RCC/*.bin
 !Source/ZZRCC/*.bin
 !Source/SZ80/*.bin
+!Source/MSX/d_fat/**
 !Tools/cpm/**
 !Tools/unix/zx/*
 !Tools/zx/*
diff --git a/Tools/mtools/ReadMe.txt b/Tools/mtools/ReadMe.txt
new file mode 100644
index 00000000..4e172515
--- /dev/null
+++ b/Tools/mtools/ReadMe.txt
@@ -0,0 +1,17 @@
+Mtools is a collection of utilities to access MS-DOS disks from GNU and 
+Unix without mounting them. It supports Win'95 style long file names, 
+OS/2 Xdf disks and 2m disks (store up to 1992k on a high density 3 1/2 
+disk). In addition to file access, it supports many FAT-specific 
+features: volume labels, FAT-specific file attributes (hidden, system, 
+...), "bad block" map maintenance, access to remote floppy drives, 
+Iomega ZIP disk protection, "secure" erase, display of file's on-disk 
+layout, etc.
+
+This directory contains the mtools.exe executable from the Mtools
+collection.  This executable was extracted from the Windows build
+of Mtools which is found at https://github.com/YawHuei/mtools_win32.
+
+The Mtools project website is found at https://www.gnu.org/software/mtools/
+which hosts the source code.
+
+-- WBW 9:32 AM 1/9/2026