diff --git a/mach/z80/libbc/Makefile b/mach/z80/libbc/Makefile
new file mode 100644
index 000000000..0b0b4e765
--- /dev/null
+++ b/mach/z80/libbc/Makefile
@@ -0,0 +1,20 @@
+MAKEFILE=../../proto/libg/Makefile
+MACHDEF="MACH=z80" "SUF=s"
+BCDEF="PREF=bc" "SUB=" "SRC=lang/basic/lib"
+
+install:
+	make -f $(MAKEFILE) $(BCDEF) $(MACHDEF) tailcp
+
+cmp:
+	make -f $(MAKEFILE) $(BCDEF) $(MACHDEF) tail
+	-../../compare head_bc
+	-../../compare tail_bc
+
+clean:
+		-rm -f *.old *.[ce$(SUF)] tail* head*
+
+opr:
+	make pr | opr
+
+pr:
+	@pr Makefile
diff --git a/mach/z80/libbc/compmodule b/mach/z80/libbc/compmodule
new file mode 100755
index 000000000..e7e4da63c
--- /dev/null
+++ b/mach/z80/libbc/compmodule
@@ -0,0 +1,4 @@
+if ${MACH?ack} -DCPM -I../../../h ${MACHFL?} $1 1>&2
+then echo `basename $1 $2`.s
+else rm -f `basename $1 $2`.s
+fi