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Author Topic: MiniMig with AGA  (Read 315385 times)

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Offline NovaCoder

Re: MiniMig with AGA
« Reply #89 on: February 26, 2010, 04:55:05 AM »
Go MikeJ :)
Life begins at 100 MIPS!


Nice Ports on AmiNet!
 

Offline tasmanian guy

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Re: MiniMig with AGA
« Reply #90 on: February 26, 2010, 04:58:19 AM »
Quote from: mikej;545178
Ah, so Yaqube has let his secret out :)
This explains why my mailbox is now full./QUOTE]
 
Well an Amiga with AGA, that comes in a nice case, with AGA support, 2 meg chip (expandable) and 8 meg fast over 95% compatibility, a couple of times faster than a standard Amiga 1200 (for Elite Frontier) and under $300AUS would be on my wish list.
 
The minimig here in Australia seems overpriced for an OCS Amiga as no one here sells locally and even with our strong dollar at the moment I can't justify forking this out for. However I can justify an AGA Amiga
 
I know people say you can run Amiga Forever etc which I already do, but I don't like the idea of running an Amiga on a Windows System.
 
I look forward to developments and hopefully you'll have the boards ready for sale for the Christmas rush. Good luck with your venture I hope you do well, remember only "Nixon could go to China" and now only the "Amiga can make a come back from China"
 
** if I look on ebay I get around $270 for a minimig in a case from the USA, postage though is quoted as $137.00 there abouts which over half the cost of the item, pity someone doesn't import them and sell them locally in Australia.
« Last Edit: February 26, 2010, 05:01:34 AM by tasmanian guy »
Amiga 1200 1U Rack project
 

Offline logikstate

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Re: MiniMig with AGA
« Reply #91 on: February 26, 2010, 08:59:38 AM »
Quote from: mikej;545178
Ah, so Yaqube has let his secret out :)
This explains why my mailbox is now full. Sorry if you have mailed me and I have not replied, I'll try and get around to everybody.

I'm in China at the moment and working hard to finish the RevB layout. There are about 30 connections left to make, but it's pretty much done.

This has a few fixes over the RevA board. The main difference is the connectors are all moved to one side (not the rs232 debug) and it includes composite/svhs option on the main board.

It should go to manufacture Monday, and I hope they can make them in time before I leave...
MikeJ

That's awesome Mike!

What are the specs of the production boards in terms of RAM?

Is it 64meg for the dev prototypes and 32meg for production boards?

Would it be possibe to buy a board with 64meg?

Obviously more RAM is better... especially if we ever go towards Capcom/Neo Geo emulation as those ROMS are pretty huge!
 

Offline mikej

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Re: MiniMig with AGA
« Reply #92 on: February 26, 2010, 09:33:54 AM »
All boards have 64MB, I made a mistake on the schematic before - I can't count.

/Mike
 

Offline TheDaddy

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Re: MiniMig with AGA
« Reply #93 on: February 26, 2010, 10:22:46 AM »
Quote from: mikej;545202
All boards have 64MB, I made a mistake on the schematic before - I can't count.

/Mike




:-) By the way Mike, shall I sketch a case for this new board, it might be on the lines of the Minimig case I designed two years ago:

http://www.loriano.pwp.blueyonder.co.uk
 

Offline jj

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Re: MiniMig with AGA
« Reply #94 on: February 26, 2010, 11:36:55 AM »
Quote from: AndyLandy;544849
That's basically what an '030 is. It's an '020 with higher possible clock rates, and as mentioned above, the onboard caches, and MMU in the non-EC versions.

 
So then from a softcore or emualtion point of view, an 030 would be pretty pointless.   I very fast 020 would be enough.
 
030 only any good for real hardware
“We don't stop playing because we grow old; we grow old because we stop playing.” - George Bernard Shaw

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Offline zylesea

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Re: MiniMig with AGA
« Reply #95 on: February 26, 2010, 02:59:37 PM »
Quote from: JJ;545214
So then from a softcore or emualtion point of view, an 030 would be pretty pointless.   I very fast 020 would be enough.
 
030 only any good for real hardware


The 020 has no data cache. Also the 030 supports a burst mode which the 020 doesn't. Should increase the throughput a lot. But I don't know how these things behave in a fpga reimplementation.

Offline wizard66

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Re: MiniMig with AGA
« Reply #96 on: February 26, 2010, 03:13:28 PM »
Quote from: mikej;545202
All boards have 64MB, I made a mistake on the schematic before - I can't count.

/Mike

We forgive you about the "can not count part"

Wheeehiii 64MB SSSssooo sweet.. ;-)
I want one FPGAARCADE but you already know that !!!
-=* Homemade Minimig\'s Build 09 *=-

1x FPGAARCADE Replay v1.0B (Inside a A590 case)
Dreaming of 1x FPGAArcade Daughter-board :-) (inline from day 1)
1x A600
 

Offline Piru

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Re: MiniMig with AGA
« Reply #97 on: February 26, 2010, 03:26:12 PM »
Quote from: zylesea;545242
The 020 has no data cache. Also the 030 supports a burst mode which the 020 doesn't. Should increase the throughput a lot. But I don't know how these things behave in a fpga reimplementation.

I doubt softcores are going to implement any cache anyway. They just rely on the brute execution power, faster memory etc.
 

Offline andy9841

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Re: MiniMig with AGA
« Reply #98 on: February 26, 2010, 03:56:24 PM »
WOW!!! I've only just come across this Minimig today! Can't believe you kept it from me for so long ;)

I too would want an AGA version. I do miss my A1200.

By the way for those wanting a portable Amiga, have you come across this before:

http://pandorapress.net/

I've been following the progress and it looks really promising, They have a version of UAE up and running on it as you can see from the videos. I have a Wiz myself which also has UAE and runs A500 stuff great.

As for the Minimig.. I would love to run this in my living room as a retro A1200 and having it as a divx player. Is there no way you could have the SD cards memory mapped as chip/fast ram? I know it would be slow in comparison to dimms etc, but surely its faster than 20yr old real Amiga memory? and this way you can expand it as much as the SD card can hold.

I long for the day i can play AB3D2TKG full speed on a real Amiga..
 

Offline SamuraiCrow

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Re: MiniMig with AGA
« Reply #99 on: February 26, 2010, 04:08:06 PM »
Quote from: Piru;545245
I doubt softcores are going to implement any cache anyway. They just rely on the brute execution power, faster memory etc.
The Natami team's 68050 softcore has caches.  They are bigger than the original '030's caches also though possibly less than that of an '060.  And before you play the "vaporware" card they are just finishing up the bitfield instructions.
 

Offline leszeka33

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Re: MiniMig with AGA
« Reply #100 on: February 26, 2010, 04:13:23 PM »
Quote from: SamuraiCrow;545250
And before you play the "vaporware" card they are just finishing up the bitfield instructions.

Mr Gunnar von Boehn say 25 Feb 2010 10:01 that he started with  bitfield instructions.
"To complete it we now started work on adding support for the Bitfield instructions to our core."
http://www.natami.net/knowledge.php?b=1¬e=17017
 

Offline SamuraiCrow

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Re: MiniMig with AGA
« Reply #101 on: February 26, 2010, 04:23:40 PM »
I meant that they are just finishing up the instruction set with bitfield instructions.  Not just finishing up the bitfield instructions as I said.  Oops.

Also, the latest info indicates that they are going to try to have bigger caches than the '060 also.
 

Offline Piru

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Re: MiniMig with AGA
« Reply #102 on: February 26, 2010, 05:01:02 PM »
Quote from: SamuraiCrow;545250
The Natami
Can we please keep to something that is going to happen during this decade (or at all)?
 

Offline Dr_Righteous

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Re: MiniMig with AGA
« Reply #103 on: February 26, 2010, 05:59:26 PM »
@MikeJ

What FPGA does it use? [edit]Nevermind, I found the answer... Spartan 3E[/edit]

And is the estimated pricing still the same?
« Last Edit: February 26, 2010, 06:04:20 PM by Dr_Righteous »
- Doc

A4000D, A3640 OC-36.3MHz, custom tower, Mediator A4000D. Diamond Banshee 16M, Indivision AGA 4000, GVP HC+8.

Mac Mini 1.5GHz, that might run MorphOS someday, when the fools who own it come to the realization that 30 minutes just isn\'t enough time to play with it enough to decide whether or not you like it enough to cough up $200.

 - Someone please design SOME kind of DIY accelerator for the A4000. :D -
 

Offline Louis Dias

Re: MiniMig with AGA
« Reply #104 from previous page: February 26, 2010, 07:50:26 PM »
Quote from: Piru;545259
Can we please keep to something that is going to happen during this decade (or at all)?


Yeah cuz FPGA tech will never be able to run a Amiga software...

Oh wait?!  O_o