diff --git a/.travis.yml b/.travis.yml
index 074bf499..f94a0caa 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -59,6 +59,7 @@ script:
   - make all_tcl
   - make -C tools/asm-11/tests allexp
   - make -C tools/asm-11/tests-err allexp
+  - make -C tools/mcode all
   - |
     time tbrun -j 2 -nomake \
       -tag memlib \
diff --git a/tools/make/generic_asm11_def.mk b/tools/make/generic_asm11_def.mk
new file mode 100644
index 00000000..8e6c9450
--- /dev/null
+++ b/tools/make/generic_asm11_def.mk
@@ -0,0 +1,31 @@
+# $Id: generic_asm11_def.mk 1147 2019-05-11 07:08:40Z mueller $
+#
+#  Revision History: 
+# Date         Rev Version  Comment
+# 2019-05-07  1147   1.0    Initial version
+#---
+#
+MAC_all = $(wildcard *.mac)
+LDA_all = $(MAC_all:.mac=.lda)
+COF_all = $(MAC_all:.mac=.cof)
+LST_all = $(MAC_all:.mac=.lst)
+#
+include ${RETROBASE}/tools/make/generic_asm11.mk
+#
+.PHONY : all alllda allcof alllst clean
+#
+all : alllda
+#
+alllda : $(LDA_all)
+#
+allcof : $(COF_all)
+#
+alllst : $(LST_all)
+#
+clean :
+	@ rm -f $(LDA_all)
+	@ echo "Object files removed"
+	@ rm -f $(COF_all)
+	@ echo "Compound files removed"
+	@ rm -f $(LST_all)
+	@ echo "Listing files removed"
diff --git a/tools/mcode/.gitignore b/tools/mcode/.gitignore
new file mode 100644
index 00000000..7578bd8c
--- /dev/null
+++ b/tools/mcode/.gitignore
@@ -0,0 +1,6 @@
+*.cof
+*.lda
+*.lst
+*.md.html
+rlink_cext_*
+sysmon_stim
diff --git a/tools/mcode/Makefile b/tools/mcode/Makefile
new file mode 100644
index 00000000..76bfc53b
--- /dev/null
+++ b/tools/mcode/Makefile
@@ -0,0 +1,19 @@
+# $Id: Makefile 1147 2019-05-11 07:08:40Z mueller $
+#
+#  Revision History: 
+# 2019-05-07  1147   1.0    Initial version
+#
+DIRS  = dl11
+DIRS += lp11
+DIRS += m9312
+DIRS += pc11
+DIRS += sys
+#
+TARGETS = all alllda allcof alllst clean
+#
+.PHONY: $(TARGETS) $(DIRS)
+#
+$(TARGETS): $(DIRS)
+#
+$(DIRS):
+	$(MAKE) -C $@ $(MAKECMDGOALS)
diff --git a/tools/mcode/dl11/Makefile b/tools/mcode/dl11/Makefile
new file mode 100644
index 00000000..259d34f0
--- /dev/null
+++ b/tools/mcode/dl11/Makefile
@@ -0,0 +1,8 @@
+# $Id: Makefile 1147 2019-05-11 07:08:40Z mueller $
+#
+#  Revision History: 
+# Date         Rev Version  Comment
+# 2019-05-07  1147   1.0    Initial version
+#---
+#
+include ${RETROBASE}/tools/make/generic_asm11_def.mk
diff --git a/tools/mcode/lp11/Makefile b/tools/mcode/lp11/Makefile
new file mode 100644
index 00000000..259d34f0
--- /dev/null
+++ b/tools/mcode/lp11/Makefile
@@ -0,0 +1,8 @@
+# $Id: Makefile 1147 2019-05-11 07:08:40Z mueller $
+#
+#  Revision History: 
+# Date         Rev Version  Comment
+# 2019-05-07  1147   1.0    Initial version
+#---
+#
+include ${RETROBASE}/tools/make/generic_asm11_def.mk
diff --git a/tools/mcode/m9312/Makefile b/tools/mcode/m9312/Makefile
new file mode 100644
index 00000000..259d34f0
--- /dev/null
+++ b/tools/mcode/m9312/Makefile
@@ -0,0 +1,8 @@
+# $Id: Makefile 1147 2019-05-11 07:08:40Z mueller $
+#
+#  Revision History: 
+# Date         Rev Version  Comment
+# 2019-05-07  1147   1.0    Initial version
+#---
+#
+include ${RETROBASE}/tools/make/generic_asm11_def.mk
diff --git a/tools/mcode/pc11/Makefile b/tools/mcode/pc11/Makefile
index 50a2b9e4..259d34f0 100644
--- a/tools/mcode/pc11/Makefile
+++ b/tools/mcode/pc11/Makefile
@@ -1,31 +1,8 @@
-# $Id: Makefile 1135 2019-04-23 12:56:23Z mueller $
+# $Id: Makefile 1147 2019-05-11 07:08:40Z mueller $
 #
 #  Revision History: 
 # Date         Rev Version  Comment
-# 2013-03-22   496   1.0    Initial version
+# 2019-05-07  1147   1.0    Initial version
 #---
 #
-MAC_all = $(wildcard *.mac)
-LDA_all = $(MAC_all:.mac=.lda)
-COF_all = $(MAC_all:.mac=.cof)
-LST_all = $(MAC_all:.mac=.lst)
-#
-include ${RETROBASE}/tools/make/generic_asm11.mk
-#
-.PHONY : alllda allcof alllst clean
-#
-def : alllda
-#
-alllda : $(LDA_all)
-#
-allcof : $(COF_all)
-#
-alllst : $(LST_all)
-#
-clean :
-	@ rm -f $(LDA_all)
-	@ echo "Object files removed"
-	@ rm -f $(COF_all)
-	@ echo "Compound files removed"
-	@ rm -f $(LST_all)
-	@ echo "Listing files removed"
+include ${RETROBASE}/tools/make/generic_asm11_def.mk
diff --git a/tools/mcode/sys/Makefile b/tools/mcode/sys/Makefile
new file mode 100644
index 00000000..259d34f0
--- /dev/null
+++ b/tools/mcode/sys/Makefile
@@ -0,0 +1,8 @@
+# $Id: Makefile 1147 2019-05-11 07:08:40Z mueller $
+#
+#  Revision History: 
+# Date         Rev Version  Comment
+# 2019-05-07  1147   1.0    Initial version
+#---
+#
+include ${RETROBASE}/tools/make/generic_asm11_def.mk