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Author Topic: Another new homebrew accelerator?  (Read 1679 times)

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Offline Pat the Cat

Re: Another new homebrew accelerator?
« on: December 30, 2016, 10:51:22 PM »
Hmmm... github development shows recent activity.

Looks more like open source rather than a commercial product...

... which is FINE by me. Not so good if you don't know how to build from them. And not really cheaper (cos one off components cost more than buying in bulk).

EDIT: I did some digging, Stephen Leary is the name, based in Glasgow, Scotland. He has a youtube channel for info.

https://www.youtube.com/channel/UCu4uiUtALy1ILAxNh7TGsmQ

I can't check it out now, got bandwidth restrictions until next week. End of the month problem.
« Last Edit: December 30, 2016, 11:01:09 PM by Pat the Cat »
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Offline Pat the Cat

Re: Another new homebrew accelerator?
« Reply #1 on: December 31, 2016, 03:07:22 PM »
Quote from: magnetic;818506
Really cool i wish someone would make them for sale.

The "Open Source" license release is 2.0 - manufacturers can use the design for production, but must make public any changes or enhancements to the design.

It is still a bit early to think about a production run, but theoretically it could happen.
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Offline Pat the Cat

Re: Another new homebrew accelerator?
« Reply #2 on: December 31, 2016, 05:12:30 PM »
Quote from: Fats;818543
FYI, open source is not the opposite of commercial, think Arduino...

Which Arduino - the American corporation who skanked the design and had most of their products sourced in China, or the Italian developers who decided not to supply them with any more boards due to breach of contract?

Last I heard of, they were at each other's throats in the courts.

So no, I'd rather not think about Arduino right now, thank you.
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Offline Pat the Cat

Re: Another new homebrew accelerator?
« Reply #3 on: December 31, 2016, 07:26:00 PM »
Hey, I'll buy 2 of the spares off you. Minimum.

PM me a price including postage to Nottingham, UK, and I'll happily Paypal you the cash.
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Offline Pat the Cat

Re: Another new homebrew accelerator?
« Reply #4 on: December 31, 2016, 09:51:51 PM »
Quote from: Acill;818564
Lets see what gets sent and how long it takes first.

Affirmative Chief. Absolutely.

I was just keen to get the request in, I appreciate it will take quite a time for the boards to be made, shipped over to you, then shipped wherever.
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Offline Pat the Cat

Re: Another new homebrew accelerator?
« Reply #5 on: January 01, 2017, 02:36:57 PM »
Quote from: IanP;818583
Be aware that the github project linked in the first post is a different "Accelerator" to the one in the facebook image. The first is an experiment in interfacing a 68020 to the 68000 socket and has minimal performance improvement over the 68000 (using a separate fast ram expansion may help). The image is of a 68030 accelerator board with fast ram, FPU and IDE which is still very much under test and development (revision 1 has some PCB issues). If you click on the parent "terriblefire" directory of the github you'll see the tf530 project but it is only a placeholder for now until the board has been proven.

Indeed, developer has only just fitted an FPU and is having issues getting it to fire up.

The whole project is in very early stage, but he just started his first thread on eab forums... clever guy, feeling his way.

Basically he's trying to build small as he can, working up (eventually, no time frame) to a CD32 accelerator. Lots of stages in between.

So, it's not a project at this stage for people who want an off the shelf A500 accelerator, it's more of a tech demonstrator to show how Amiga devs can still develop hardware. It might lead to very successful boards, but you are quite right, it is not fair to anybody to say things or mislead things at this stage.

So, I'm sorry to give the impression the 020 board has RAM - it doesn't.

And Acii, the boards will almost certainly need some wire wrap additions, but that's fine by me. I'm still game. :)
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Offline Pat the Cat

Re: Another new homebrew accelerator?
« Reply #6 on: January 01, 2017, 07:14:48 PM »
Quote from: Fats;818638
You are a little bit behind, and even if not it still shows that open source hardware can be sold commercially.

:laughing:

Quote
... theoretically it could happen.        
:laughing:

I am not going to attempt the number of githubs that will never be commercially produced.

Some are, in vast numbers. The teeny, tiny, minority of successful designs.

I wish I could do more than wish the man all the best and try and help over the internet properly, checking the design with Eagle, building one, etc. I just haven't time right now, got a deadline on... old habits die hard...
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Offline Pat the Cat

Re: Another new homebrew accelerator?
« Reply #7 on: January 03, 2017, 05:10:38 PM »
Quote from: Fats;818888
I'd rather talk about hobby projects as opposite of commercial projects, and hobby projects don't necessarily have to be open source either.

That's true. One reason I've never published any of my code is - it's embarassingly inelegant.

Might shove the binaries out one day, they're pretty intense demos if you want to VJ with Amigas. Truly open sourcing it would just be too humiliating.
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Offline Pat the Cat

Re: Another new homebrew accelerator?
« Reply #8 on: January 04, 2017, 08:27:37 AM »
Well, TerribleFire is not standing still. Got the RAM and Autoconfig sort of there, MMU recognized, board happy at 25MHz. Still got some issues to resolve, then the IDE port...

.,, then it's good to go. :) Latest vid is just showing the difference between 25MHz Frontier and regular A500 Frontier, and he's not even using NTSC for an extra speed boost;-

https://youtu.be/XRO9j2G9owc
« Last Edit: January 04, 2017, 08:32:55 AM by Pat the Cat »
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