declare
        lit                literally          'literally',
        dcl                lit                'declare',
        true               lit                '0ffh',
        false              lit                '0',
        boolean            lit                'byte',
        forever            lit                'while true',
        cr                 lit                '13',
        lf                 lit                '10',
        tab                lit                '9',
        ctrlc              lit                '3',
        ff                 lit                '12',
        page$len$offset    lit                '1ch',
        nopage$mode$offset lit                '2Ch',
        sectorlen          lit                '128';