Hi i am working on remaking 65c02
https://eater.net/datasheets/w65c02s.pdf
And i cant understand the addressing modes and what they do
Can anyone please explain them to me?

Welcome!

Chuck Peddle and his team did a terrific job of explaining them in MOS MCS6500 Family Programming Manual.

A lot of effort went into this and the other manuals -- the story ( here ) is actually somewhat humorous.

-- Jeff

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In 1988 my 65C02 got six new registers and 44 new full-speed instructions!
https://laughtonelectronics.com/Arcana/ ... mmary.html

I may have not explained what i wanted to say well
I mean in addressing modes as for the instructions themselves, not how the CPU addresses the memory
Here are some examples, which i still dont understand, of addressing modes

Hi Radiant
welcome to the forum, and to the 6502!

this is quite a small place, and everyone who is likely to answer one of your queries is likely to be reading every new message. So, please don't start a new thread every time - it will actually help you, and us, to be able to see the continuity as you make your journey.

you have set off on a very ambitious challenge, but yes, it is possible to make a 6502 out of logic, whether in simulation, on breadboard or circuit board, or in FPGA. But it is not easy: there's a lot to do, and some complexity and some subtlety. If you have the energy and enthusiasm and sticking power then it's certainly possible to do it. No-one was born knowing how to build a 6502, but many people have done it, so it's a matter of applying yourself, finding out what you don't know, and then coming to know it.

I would not recommend that you post here with every question which occurs to you. It won't help you learn and it might be counterproductive because it might put off the people who can answer. If you want us to do some work, you will need first to show that you have done some work: that you have looked into the question, found out some things, but still have something puzzling you.

That is, this forum is populated by people, who have some amount of time and energy and interest. People who have in many cases already posted hundreds or even thousands of responses. The forum is not a search engine. But you can search it, and I encourage you to do so.

Good luck with your journey!

What's that image you posted, Radiant? Something from WDC doc? I can see how you might be disappointed in that.

So, I guess you need some material that explains the subject in a different way, and/or simply does a better job -- and there's nothing wrong with that. But ask yourself this. Do you think I or some other poster is going to be a better resource for you than a professional author (other than the WDC folk, I mean)? Again I refer you to the MOS Programmning Manual (which is where I learned about address modes, so I know the info is in there).

Another excellent reference is Programming the 65816 Including the 6502, 65C02 and 65802 -- a pdf which I believe is available on the WDC web site.

I see Ed has posted while I was typing, and my message echoes what he said: "If you want us to do some work, you will need first to show that you have done some work."

If you still have a few specific questions after you've done your homework then c'mon back here and we'll try to help.

-- Jeff

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In 1988 my 65C02 got six new registers and 44 new full-speed instructions!
https://laughtonelectronics.com/Arcana/ ... mmary.html

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http://WilsonMinesCo.com/ lots of 6502 resources
The "second front page" is http://wilsonminesco.com/links.html .
What's an additional VIA among friends, anyhow?

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x86?  We ain't got no x86.  We don't NEED no stinking x86!

It should be in your User control panel >> Board preferences >> Edit posting defaults >> Notify me upon replies by default: ... I'll link you without knowing for sure if it'll click through at your end.

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Got a kilobyte lying fallow in your 65xx's memory map? Sprinkle some VTL02C on it and see how it grows on you!

Mike B. (about me) (learning how to github)

this page can help you probably better than any explanation I can come up with: http://skilldrick.github.io/easy6502/#addressing

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No simulation survives contact with reality!