Make C<* into a switch word

Slightly larger binary, but clearer code and slightly faster.

blk/364

@@ -1,8 +1,7 @@
 : C<? 0x06 RAM+ @ ;
+SYSVARS 0x0c + :** C<*
 : C<
-    0x08 RAM+ @  ( 08 == C<* override )
-    ?DUP NOT IF 0x0c RAM+ @ THEN  ( 0c == C<* )
-    EXECUTE
-;
+    0x08 RAM+ ( C<* override ) @
+    ?DUP NOT IF C<* ELSE EXECUTE THEN ;
 : , H@ ! H@ 2+ HERE ! ;
 : C, H@ C! H@ 1+ HERE ! ;

blk/390

@@ -5,6 +5,6 @@
       the last typed 0x0a and one for the following NULL. )
     IN) IN( - ALLOT
     (infl)
-    ['] RDLN< 0x0c RAM+ !
+    ['] RDLN< ['] C<* **!
     1 0x06 RAM+ !  ( 06 == C<? )
 ;

blk/396

@@ -7,7 +7,7 @@
     ['] (key) ['] KEY **!
     ['] CRLF ['] NL **!
     ( 0c == C<* )
-    ['] (boot<) 0x0c RAM+ !
+    ['] (boot<) ['] C<* **!
     ['] C@ ['] A@ ! ['] C! ['] A! **!
     ( boot< always has a char waiting. 06 == C<?* )
     1 0x06 RAM+ ! INTERPRET