I've updated the thread and added some explanations to the thread (especially for the theory of bitfield) this morning (in our timezone, UTF + 8) and I hope that it will help you and other people understand it more easily.
I can't understand your english words here
i want to upload attachment to my thread, but it tells me that i can't upload and i can't find a button, here's the information: "You may not post attachments"