diff --git a/src/testdir/Make_dos.mak b/src/testdir/Make_dos.mak
new file mode 100644
index 0000000..b15951e
--- /dev/null
+++ b/src/testdir/Make_dos.mak
@@ -0,0 +1,64 @@
+#
+# Makefile to run al tests for Vim, on Dos-like machines.
+#
+# Requires a set of Unix tools: echo, diff, etc.
+
+VIMPROG = ..\\vim
+
+# Omitted:
+# test2		"\\tmp" doesn't work.
+# test10	'errorformat' is different
+# test12	can't unlink a swap file
+# test25	uses symbolic link
+# test27	can't edit file with "*" in file name
+# test31	16 bit version runs out of memory...
+
+SCRIPTS16 =	test1.out test19.out test20.out test22.out \
+		test23.out test24.out test28.out test29.out \
+		test35.out test36.out test43.out \
+		test44.out test45.out test46.out test47.out \
+		test48.out test51.out
+
+SCRIPTS =	test3.out test4.out test5.out test6.out test7.out \
+		test8.out test9.out test11.out test13.out test14.out \
+		test15.out test17.out test18.out test21.out test26.out \
+		test30.out test31.out test32.out test33.out test34.out \
+		test37.out test38.out test39.out test40.out test41.out \
+		test42.out test52.out
+
+SCRIPTS32 =	test50.out
+
+SCRIPTS_GUI = test16.out
+
+.SUFFIXES: .in .out
+
+nongui:	$(SCRIPTS16) $(SCRIPTS)
+	echo ALL DONE
+
+small:	$(SCRIPTS16)
+	echo ALL DONE
+
+gui:	$(SCRIPTS16) $(SCRIPTS) $(SCRIPTS_GUI)
+	echo ALL DONE
+
+win32:	$(SCRIPTS16) $(SCRIPTS) $(SCRIPTS32)
+	echo ALL DONE
+
+clean:
+	-del *.out
+	-del test.ok
+	-del small.vim
+	-del tiny.vim
+	-del mbyte.vim
+	-del X*
+	-del viminfo
+
+.in.out:
+	copy $*.ok test.ok
+	$(VIMPROG) -u dos.vim -U NONE --noplugin -s dotest.in $*.in
+	diff test.out $*.ok
+	-del $*.out
+	rename test.out $*.out
+	-del X*
+	-del test.ok
+	-del viminfo