C128 keyboard fixes, initial C65 keyboard support

c64/aliases/,aliases_cpu.s

@@ -17,6 +17,17 @@
 }
 
 
+//
+// Trick to skip a 2-byte instruction
+//
+
+
+.pseudocommand skip_2_bytes_trash_nvz
+{
+	.byte $2C
+}
+
+
 //
 // Stack manipulation - some CPUs will leave .A unchanged, some will use it as temporary storage, so consider .A trashed
 //