private void addUint8(int value)
    {
        if ((value & ~0xFF) != 0) throw Kit.codeBug();
        byte[] array = itsData.itsICode;
        int top = itsICodeTop;
        if (top == array.length) {
            array = increaseICodeCapacity(1);
        }
        array[top] = (byte)value;
        itsICodeTop = top + 1;
    }