diff --git a/WEGA/src/uts/dev/mt.d.s b/WEGA/src/uts/dev/mt.d.s
new file mode 100644
index 0000000..6ad1668
--- /dev/null
+++ b/WEGA/src/uts/dev/mt.d.s
@@ -0,0 +1,68 @@
+!******************************************************************************
+*******************************************************************************
+ 
+	W E G A - Quelle	(C) ZFT/KEAW Abt. Basissoftware - 1988
+ 
+	KERN 3.2	Modul:	mt.d.s
+ 
+	Bearbeiter:	P. Hoge
+	Datum:		29.7.88
+	Version:	1.1
+ 
+*******************************************************************************
+ 
+	dummy Magnetband-Treiber
+ 
+	zur Erfuellung der Referenzen im Kern, wenn kein mt.c vorhanden.
+	Der dummy Treiber wurde extra in Assembler geschrieben, um
+	kuerzesten Code zu sichern.
+ 
+	Einbinden in LIB2:
+	as -u -o mt.o mt.d.s
+	ar r LIB2 mt.o
+	rm mt.o
+	(cp LIB2 /usr/sys/dev/LIB2)
+ 
+*******************************************************************************
+******************************************************************************!
+ 
+
+ 
+mt_s module
+
+$segmented
+
+  global
+ 
+    _mtint procedure
+      entry
+	jp	_unexint
+    end _mtint
+
+    _mtopen procedure
+      entry
+    end _mtopen
+
+    _mtclose procedure
+      entry
+    end _mtclose
+
+    _mtstrat procedure
+      entry
+    end _mtstrat
+
+    _mtread procedure
+      entry
+    end _mtread
+
+    _mtwrite procedure
+      entry
+    end _mtwrite
+
+    _mtioctl procedure
+      entry
+	ldb	_u+%15, #19	!u.u_error = ENODEV!
+	ret	
+    end _mtioctl
+
+end mt_s