diff --git a/demos/sdcard/m.bat b/demos/sdcard/m.bat
index cce5ee4..ff0d2fe 100644
--- a/demos/sdcard/m.bat
+++ b/demos/sdcard/m.bat
@@ -1,2 +1,6 @@
 call ..\..\tools\build sdcard
 copy out\sdcard.prg ..\..\..\apple1-emu\software\sdcard.prg /y
+
+@grep comando_load_bas out/sdcard.sym
+@grep comando_asave out/sdcard.sym
+@grep chksum_table out/sdcard.sym