Atari Jaguar Core
Atari Jaguar Core
So I have been messing around with the core at it stands, hopfully it get some more work but it really is off to a good start
- ItalianGrandma
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Re: Atari Jaguar Core
Nice to hear! I’m curious to try it when it’s in a more complete state as I’ve never played a Jaguar game. I remember seeing them in KB Toys on sale for $35 as a kid.
- Newsdee
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- Chris23235
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Re: Atari Jaguar Core
Some 2D games seem to work, there is a video on youtube of Cannonfodder running without hitches. I tried some 3D games and he core was mostly crashing or the games were not working at all. Right now one of the main obstacles seems to be that the DDR3 RAM of the MiSTer is used for the main RAM and the SD RAM is only used for cart loading.
Cybermorph has sound issues, but otherwise works. Tempest 2000 works flawless for about a minute and then crashes, Defender 2000 has graphical corruption, but is otherwise fine.
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Re: Atari Jaguar Core
Yes, T2K is a bit of a tease isn't it! It is my favourite Jag game so would be good to see further progress with compatibility - whenever I hook up my Jag I usually only end up playing that. I never found the original controllers very confortable so its good to have alternatives - Not sure how the numpad support will end up working out tho. Always found that quite bizzare.
- Chris23235
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Re: Atari Jaguar Core
I really like the original controller, it was big and very comfortable and with the numpad it had tons of buttons. But I can see, why others found it clunky.Trifle wrote: ↑Tue May 26, 2020 12:00 pm Yes, T2K is a bit of a tease isn't it! It is my favourite Jag game so would be good to see further progress with compatibility - whenever I hook up my Jag I usually only end up playing that. I never found the original controllers very confortable so its good to have alternatives - Not sure how the numpad support will end up working out tho. Always found that quite bizzare.
T2K is one of my favourites too and I hope to see it one day running on my MiSTer. Defender 2K is also very good and the very entertaining Defender Plus mode already works!
- Chris23235
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Re: Atari Jaguar Core
I never got any of the AvPs to work, I saw a video of it, but for me it was always blackscreen, no matter what I tried.Bits n Stuff wrote: ↑Tue May 26, 2020 4:06 pm I'bve spent a bit of time playing one of the beta versions of AvP.
- Moondandy
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Re: Atari Jaguar Core
Are you talking about the Electron Ash core?
https://github.com/ElectronAsh/Jaguar_MiSTer_master
I am not sure he is working on it anymore, no updates since November sadly. Have downloaded it so will give it a go. Would love a working Jag core, the consoles are too pricey to really justify buying these days.
https://github.com/ElectronAsh/Jaguar_MiSTer_master
I am not sure he is working on it anymore, no updates since November sadly. Have downloaded it so will give it a go. Would love a working Jag core, the consoles are too pricey to really justify buying these days.
- Chris23235
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Re: Atari Jaguar Core
The core was moved to a new repo:Moondandy wrote: ↑Wed May 27, 2020 1:55 am Are you talking about the Electron Ash core?
https://github.com/ElectronAsh/Jaguar_MiSTer_master
I am not sure he is working on it anymore, no updates since November sadly. Have downloaded it so will give it a go. Would love a working Jag core, the consoles are too pricey to really justify buying these days.
https://github.com/ElectronAsh/Jaguar_MiSTer_new
- Chris23235
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Re: Atari Jaguar Core
- Moondandy
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Re: Atari Jaguar Core
Thanks for the link! Has Ash said he is going to do more work on the core? Last I saw he was tinkering with 32x stuff.
This thread should probably be moved to consoles other subforum.
This thread should probably be moved to consoles other subforum.
- Moondandy
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Re: Atari Jaguar Core
Hypothetical, but if this core does get worked on more is it likely it would be able to play Jag CD games? I know the Jaguar flash card will play CD games on an original Jag which makes me think that it would not be much to get Jag CD working as well.
Atari Jaguar Core
Hi there,
anyone ever tried the Jaguar Core (https://github.com/ElectronAsh/Jaguar_MiSTer_new and compiled binaries here https://mega.nz/folder/iHxGjKQJ#E-CSMwj66kbPGltVmLTbiw) ? I know, it is marked as beta but how stable is it so far?
greetings
anyone ever tried the Jaguar Core (https://github.com/ElectronAsh/Jaguar_MiSTer_new and compiled binaries here https://mega.nz/folder/iHxGjKQJ#E-CSMwj66kbPGltVmLTbiw) ? I know, it is marked as beta but how stable is it so far?
greetings
• FireBee • Falcon030/040/060 • MiSTer • TT • (Mega)STe • Suska III-B • Suska III-C • (Mega)ST •
- Sigismond0
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Re: Atari Jaguar Core
Games run, and are playable to some extent. Lots of graphical issues, games crash at various points. The beta label is accurate.
- Newsdee
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Re: Atari Jaguar Core
I don't think anything in particular triggers the crash, I think it's just a timing issue.
- Moondandy
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Re: Atari Jaguar Core
Please correct me if I am wrong but my basic understanding of the Jaguar is it has powerful chips in it that haven't had cores made, and game developers found them hard to develop for. It also had a less powerful Motorola chip found elsewhere that was easier for Devs to code to, but isn't as beefy. The core contains this more basic chip that a lot of Devs used to make the games, that didn't harness the systems full potential.
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Re: Atari Jaguar Core
Actually, the system wasn't that difficult to code for, developers were lazy so used the 68000 CPU as they were already familiar with it. This is why a lot of current console/computer games were ported to it rather than a lot of new games as it was quick and easy. I suppose it was safer to do this than invest a lot of time and effort in a new platform and Atari were not big contenders in the market at that time.Moondandy wrote: ↑Fri Jun 05, 2020 9:19 am Please correct me if I am wrong but my basic understanding of the Jaguar is it has powerful chips in it that haven't had cores made, and game developers found them hard to develop for. It also had a less powerful Motorola chip found elsewhere that was easier for Devs to code to, but isn't as beefy. The core contains this more basic chip that a lot of Devs used to make the games, that didn't harness the systems full potential.
Back to the core though, I believe a lot of the system is actually there including Tom and Jerry, but the 68000 portion is almost certainly more complete as this already very well supported in other cores.
- Chris23235
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Re: Atari Jaguar Core
It was not that developers were too lazy, the hardware had several bugs that made the use of certain components impossible until work arounds were found. This took a while and it meant that many Jaguar games couldn't use the full potential of the console.
The core includes all chips of the Jaguar (not the CD Rom Add On), but is not finished. The main obstacle seems to be that the RAM of the console is currently located in the DDR Ram and SD Ram is only used for cartridge loading. There is another thread on this console (in the wrong location Other Computer cores), maybe it is possible to merge the 2 threads.
The core includes all chips of the Jaguar (not the CD Rom Add On), but is not finished. The main obstacle seems to be that the RAM of the console is currently located in the DDR Ram and SD Ram is only used for cartridge loading. There is another thread on this console (in the wrong location Other Computer cores), maybe it is possible to merge the 2 threads.
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Re: Atari Jaguar Core
My understanding is the original dev kit they had subcontracted out had bugs, not the hardware and was rectified by Atari over a weekend! There are interviews with various developers that indicate it wasn't all that difficult to develop for but spending the development time on a system with an uncertain future wasn't worth it.
I agree that thread should be merged with this one.
I agree that thread should be merged with this one.
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Re: Atari Jaguar Core
That is interesting to know, and promising about the core! Is anyone actively working on it though? I thought Ash was off tinkering with other things now.
Are there much extra chips in the Jag CD, or is it more the core needing to read CD images?
Are there much extra chips in the Jag CD, or is it more the core needing to read CD images?
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Re: Atari Jaguar Core
Ash will probably get back to it at some point, failing that it's open source so nothing stopping someone else having a go.
AFAIK the CD add on was nothing more than a drive and a BIOS read by the cart slot but I haven't looked into it so could be completely wrong.
AFAIK the CD add on was nothing more than a drive and a BIOS read by the cart slot but I haven't looked into it so could be completely wrong.
- Chris23235
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Re: Atari Jaguar Core
There was nothing like a devkit at all, when the Atari Jaguar was launched. The bugs where in fact hardware bugs, if you want to know more details look at this documentation (starting at page 133):retrorepair wrote: ↑Fri Jun 05, 2020 1:50 pm My understanding is the original dev kit they had subcontracted out had bugs, not the hardware and was rectified by Atari over a weekend! There are interviews with various developers that indicate it wasn't all that difficult to develop for but spending the development time on a system with an uncertain future wasn't worth it.
I agree that thread should be merged with this one.
https://www.hillsoftware.com/files/atar ... jag_v8.pdf
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Re: Atari Jaguar Core
If you are correct, then I greatly hope this will be a case similar to the PC Engine CD 'core' (added function to existing PCE core). I've never seen a Jaguar CD or even a Jag in the wild. There may be only a handful of Jag Cd games, but just like the CD-i, the emulators last I checked were still spotty. I'd be most interested in trying the panned game Highlander (love the film) and the version of Blue Lightning since I loved it on the lynx.retrorepair wrote: ↑Fri Jun 05, 2020 2:36 pm AFAIK the CD add on was nothing more than a drive and a BIOS read by the cart slot but I haven't looked into it so could be completely wrong.