Merge pull request #171 from TG9541/refactor-test

fixes #170 make MARKER work with CORE

lib/MARKER

@@ -1,13 +1,17 @@
 \ STM8eForth : MARKER for words in RAM                                 MM-170929
 \ ------------------------------------------------------------------------------
 
+#require LAST
+#require [COMPILE]
+#require CALL,
+
   HERE \ ( -- xt )
     \ get CP stored by MARKER, get last & context from the mark's link field
-    ] RAM DUP @ last 2- ! 2+ @ DUP last ! last 10 + ! [ $81 C,
+    ] RAM DUP @ LAST 2- ! 2+ @ DUP LAST ! LAST 10 + ! [ $81 C,
 
   : MARKER ( "name" -- )
   \ The marker "name" removes itself and all later defined words from RAM.
-    RAM HERE last 2- @ ,  \ store CP, then define a mark
+    RAM HERE LAST 2- @ ,  \ store CP, then define a mark
     : [COMPILE] LITERAL ( xt ) LITERAL CALL, [COMPILE] ;
   ;