+ for i in $(ALL_PORTS); do $(MAKE) test-port PORT=$$i; done
+
+# Helper rule for testing the z80 port only
+test-z80:
+ $(MAKE) test-port PORT=z80
+
+# Helper rule for testing the z80 port only
+test-gbz80:
+ $(MAKE) test-port PORT=gbz80
+
+# Helper rule for testing the mcs51 port only
+test-mcs51:
+ $(MAKE) test-port PORT=mcs51
+test-mcs51-large:
+ $(MAKE) test-port PORT=mcs51-large
+test-mcs51-stack-auto:
+ $(MAKE) make-library test-port PORT=mcs51-stack-auto
+
+# Helper rule for testing the ds390 port only
+test-ds390:
+ $(MAKE) test-port PORT=ds390
+
+# Helper rule for testing the z80 port only(use ucSim simulator)
+test-ucz80:
+ $(MAKE) test-port PORT=ucz80
+
+# Helper rule for testing the hc08 port only(use ucSim simulator)
+test-hc08:
+ $(MAKE) test-port PORT=hc08
+
+# Helper rule for testing the xa51 port only(use ucSim simulator)
+test-xa51:
+ $(MAKE) test-port PORT=xa51
+
+### Helper rule for testing the host cc only
+test-host:
+ $(MAKE) test-port PORT=host
+
+test-host2:
+ $(MAKE) test-port PORT=host