collapseos/blk/294

( At this point, Z is set if we have a match. In all cases,
  we want to pop HL and DE )
        DE POP, ( <-- lvl 3 )
        IFZ, ( match, we're done! )
            HL POP, HL POP, ( <-- lvl 1-2 ) DE PUSH, PUSH1,
            JPNEXT,
        THEN,
        ( no match, go to prev and continue )
        DE DECd, DE DECd, DE DECd, ( prev field )
        DE PUSH, ( --> lvl 3 )
        EXDEHL,
        LDDE(HL),


                                                      ( cont. )