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-rw-r--r--rtl/embedded/rtl.cfg9
1 files changed, 9 insertions, 0 deletions
diff --git a/rtl/embedded/rtl.cfg b/rtl/embedded/rtl.cfg
index e33f5490ac..46facb213c 100644
--- a/rtl/embedded/rtl.cfg
+++ b/rtl/embedded/rtl.cfg
@@ -9,3 +9,12 @@
-CX
-XX
#endif
+
+# does not require extra memory, neither code nor data
+# in programs not using e. g. writeln based I/O which is the common case
+#ifdef CPUZ80
+-SfOBJECTS
+-SfEXCEPTIONS
+-SfCLASSES
+-SfRTTI
+#endif