--- /dev/null
+# Deleting all files created by building the program
+# --------------------------------------------------
+clean:
+ rm -f *core *[%~] *.[oa]
+ rm -f .[a-z]*~
+ rm -f $(PRJDIR)/as-z80 as-z80
+
+
+# Deleting all files created by configuring or building the program
+# -----------------------------------------------------------------
+distclean: clean
+ rm -f Makefile *.dep
+
+
+# Like clean but some files may still exist
+# -----------------------------------------
+mostlyclean: clean
+
+
+# Deleting everything that can reconstructed by this Makefile. It deletes
+# everything deleted by distclean plus files created by bison, etc.
+# -----------------------------------------------------------------------
+realclean: distclean