public void setDefined(int adr) {
        LocalVar v = lvar[adr];
        if (v == null) {
            state.defined.excl(adr);
        } else {
            state.defined.incl(adr);
            if (cp < Character.MAX_VALUE) {
                if (v.start_pc == Character.MAX_VALUE)
                    v.start_pc = (char)cp;
            }
        }
    }