: C<? 0x06 RAM+ @ ;
: C<
    0x08 RAM+ @  ( 08 == C<* override )
    DUP NOT IF DROP 0x0c RAM+ @ THEN  ( 0c == C<* )
    EXECUTE
;

: , HERE @ ! HERE @ 2+ HERE ! ;

: C, HERE @ C! HERE @ 1+ HERE ! ;