#elif defined(pic18f2331)
# include <pic18f2331.h>
+#elif defined(pic18f2420)
+# include <pic18f2420.h>
+
#elif defined(pic18f2431)
# include <pic18f2431.h>
#elif defined(pic18f24j10)
# include <pic18f24j10.h>
+#elif defined(pic18f2520)
+# include <pic18f2520.h>
+
#elif defined(pic18f2525)
# include <pic18f2620.h> /* just a 2620 core with less flash */
#elif defined(pic18f4331)
# include <pic18f4331.h>
+#elif defined(pic18f4420)
+# include <pic18f4420.h>
+
#elif defined(pic18f4431)
# include <pic18f4431.h>