more d_save funcs OK, initial map out of dcomifg_play_c and it's classes

diff.py

@@ -541,7 +541,7 @@ def dump_objfile() -> Tuple[str, ObjdumpCommand, ObjdumpCommand]:
     if not os.path.isfile(objfile):
         fail(f"Not able to find .o file for function: {objfile} is not a file.")
 
-    refobjfile = objfile
+    refobjfile = "expected/" + objfile
     if not os.path.isfile(refobjfile):
         fail(f'Please ensure an OK .o file exists at "{refobjfile}".')