Atari Jaguar Core

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Moondandy
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Re: Atari Jaguar Core

Unread post by Moondandy »

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?

retrorepair
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Re: Atari Jaguar Core

Unread post by retrorepair »

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.

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Chris23235
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Re: Atari Jaguar Core

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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.
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):

https://www.hillsoftware.com/files/atar ... jag_v8.pdf

retrorepair
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Re: Atari Jaguar Core

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Chris23235
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Re: Atari Jaguar Core

Unread post by Chris23235 »

That's an interesting read, thanks for the link.

seastalker
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Re: Atari Jaguar Core

Unread post by seastalker »

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.
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.

Ze_ro
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Re: Atari Jaguar Core

Unread post by Ze_ro »

Ehh... you're not missing a lot with Highlander and Blue Lightning... Highlander is based on the weird and mostly forgotten animated TV series instead of the movies. Kinda plays like Resident Evil but with really awkward melee combat. As for Blue Lightning, it's alright at best. While the Lynx version had some impressive (for a handheld) graphical effects, the sprite scaling in the Jaguar version was looking pretty old when fully 3D games were becoming the norm. Hopefully someone will put together a Sega X-Board core, because After Burner is still miles ahead.

As someone who owned a Jaguar CD (and most of the games) back in the days, the game that really impressed me was Battlemorph. Great music, and a welcome refinement of the concepts in Cybermorph... but then, I'm in the minority in that I actually enjoyed Cybermorph, so take that as you will. Hover Strike: Unconquered Lands and Iron Soldier 2 are moderate improvements over the original cartridge versions, and both delivered in my opinion. Primal Rage was also pretty fun and looks significantly better than the 16-bit versions, but they screwed up the combo system compared to the arcade version. Baldies was actually pretty fun too... it's kind of a Populous style game that no one seems to remember. There's an unreleased port of Robinson's Requiem that got a small print run a while back that I've been meaning to try... I can't vouch for the Jaguar version specifically, but the PC version was really cool.

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Chris23235
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Re: Atari Jaguar Core

Unread post by Chris23235 »

I used my Jaguar CD most of the time for the fantastic VLM that Jeff Minter built in :)

retrorepair
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Re: Atari Jaguar Core

Unread post by retrorepair »

Chris23235 wrote:
Tue Jun 09, 2020 10:11 am
I used my Jaguar CD most of the time for the fantastic VLM that Jeff Minter built in :)
Worth implementing just for that!

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ragnar
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Re: Atari Jaguar Core

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Summary: It's worth a try.

Thanks for the input so far.

emceebois
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Re: Atari Jaguar Core

Unread post by emceebois »

Long story short, I have an extra Jaguar and Jaguar CD that I would like to donate to a MiSTer dev. I think Ash already has reference hardware for at least the base system, so if there are any other console devs who want to take a crack at the Jaguar and Jaguar CD please let me know as I would love to put my hardware to good use and speed development along.

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Moondandy
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Re: Atari Jaguar Core

Unread post by Moondandy »

Your offer been taken up emceebois?

emceebois
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Re: Atari Jaguar Core

Unread post by emceebois »

Not as of yet!

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atrac17
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Re: Atari Jaguar Core

Unread post by atrac17 »

Ze_ro wrote:
Tue Jun 09, 2020 12:15 am
Highlander is based on the weird and mostly forgotten animated TV series instead of the movies.
You mean the one on USA Network? I have to check this out now.

Vic20-Ian
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Re: Atari Jaguar Core

Unread post by Vic20-Ian »

retrorepair wrote:
Tue Jun 09, 2020 7:04 pm
Chris23235 wrote:
Tue Jun 09, 2020 10:11 am
I used my Jaguar CD most of the time for the fantastic VLM that Jeff Minter built in :)
Worth implementing just for that!
I would donate to get that up and running.

Xbox 360 has a Minter VLM as well with 4 gamepad control.

Nuon too I think.

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Chris23235
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Re: Atari Jaguar Core

Unread post by Chris23235 »

A Nuon core would be great as it is practically a Jaguar 2, but I doubt anybody would put work into this (completely understandable), there isn't even a finished emulator for this system.

917k
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Re: Atari Jaguar Core

Unread post by 917k »

emceebois wrote:
Wed Jun 17, 2020 4:33 pm
Long story short, I have an extra Jaguar and Jaguar CD that I would like to donate to a MiSTer dev. I think Ash already has reference hardware for at least the base system, so if there are any other console devs who want to take a crack at the Jaguar and Jaguar CD please let me know as I would love to put my hardware to good use and speed development along.
I would recommend before giving this valuable hardware away to at least verify the person has developed complete cores in the past. I'd be very, very careful with this offer.

rhester72
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Re: Atari Jaguar Core

Unread post by rhester72 »

Ditto. It's pretty important to remember that software emulators tend to come out before FPGA implementations due to slightly lower complexity of implementation, and after all this time there still isn't a solid Jaguar emulator in software.

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eightbit
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Re: Atari Jaguar Core

Unread post by eightbit »

Not to be a negative Nellie, but I do not expect a fully functional Jaguar core to be released for a very long time...if ever. As said previously, there aren't even any solid Jaguar emulators out there. I have been following Jaguar emulation for years (decades even) and while there had been some progress in the past it just never grew to fruition as other emulators did. Maybe too difficult or lack of interest...who knows. I have a real Jag myself and a healthy collection of games as I enjoy a lot of them (there are a lot of good games once you have the opportunity to explore the whole collection) and I am glad I do have them as I do believe we will not see it replicated for a long time sadly.

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Chris23235
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Re: Atari Jaguar Core

Unread post by Chris23235 »

The wip Jaguar core is already very promising. just because there isn't a proper emulator, it doesn't mean that a simulated core would run into the same problems. Emulation and hardware simulation are different.

retrorepair
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Re: Atari Jaguar Core

Unread post by retrorepair »

Chris23235 wrote:
Fri Jul 03, 2020 5:52 am
The wip Jaguar core is already very promising. just because there isn't a proper emulator, it doesn't mean that a simulated core would run into the same problems. Emulation and hardware simulation are different.
This.

The core as it stands is quite far along, it just needs some work/refactoring and as soon as someone has the time to do it I've no doubt it'll be as great as some of the others MiSTer has to offer.

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Cebion
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Re: Atari Jaguar Core

Unread post by Cebion »

All the time someone comes along and says that Core XY will not happen in a long time and than boom core xy release.

Happened with mega cd / gba/ pce etc. We dreamed about a x6800 / pc88 emulator and look how far we are now.

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lomdar67
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Re: Atari Jaguar Core

Unread post by lomdar67 »

Vic20-Ian wrote:
Fri Jun 26, 2020 8:55 am
I would donate to get that up and running.

Xbox 360 has a Minter VLM as well with 4 gamepad control.

Nuon too I think.
There was a prototype VLM 0 that was not made widely available. The Atari Jaguar had VLM 1.
The Nuon players featured version VLM 2.
VLM V3 was used in the video game Unity, and was the base for Xbox 360 and Minter's Space Giraffe.

http://www.minotaurproject.co.uk/vlm.php
We raise hopes here...until they're old enough to fend for themselves.
--Mike Callahan

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Chris23235
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Re: Atari Jaguar Core

Unread post by Chris23235 »

I always hope that there is something from Unity that leaks one day to the internet. But as it was a Lionhead Studios project, I guess the chances are slim and Jeff Minter isn't able to show anything without risking major legal consequences.

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