private int tr_159(char ch)
    {
        if(chin(ch,'A','~')) return 159;
        if(chin(ch,';','?')) return 159;
        if(chin(ch,' ','9')) return 159;
        if(chin(ch,'\t','\n')) return 159;
        if(cheq(ch,'@')) return 209;
        if(cheq(ch,':')) return 90;
        return 0;
    }