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Author Topic: MiniMig with AGA  (Read 318054 times)

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Offline Belial6

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Re: MiniMig with AGA
« Reply #734 from previous page: November 11, 2010, 09:46:38 PM »
I wouldn't get too worked up over the use of the word MiniMig.  Just as some might call an official (can it be official?) MiniMig an Amiga, I suspect that the term MiniMig will be used as common vanacular for any of the FPGA based Amiga compatibles.

I know, I look forward to the day when I can genericaly refer to this hobby's hardware as MiniMigs, and it's software as AROS.  I look forward to the day that 'Amiga' can be considered the old company that original built hardware fixed MiniMigs and wrote the original version of AROS.
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Offline kolla

Re: MiniMig with AGA
« Reply #735 on: November 11, 2010, 10:21:54 PM »
Quote from: yakumo9275;590993
madcow did, the post above mine you quoted


Ah well... he wrote "the boards", referring to the FPGAArcade boards, and "the source code for Minimig-AGA" referring of the Minimig-AGA source code for the FPGAArcade. Nothing about some Minimig-AGA boards as far as I could understand.
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Offline Darrin

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Re: MiniMig with AGA
« Reply #736 on: November 11, 2010, 11:04:28 PM »
Quote from: mikej;590988
Not received the boards yet :(
I'm chasing it....

Yes, you can order from my site when the board has been tested.
Open source always.

I'll update you when I know myself!
Cheers,
Mike


Cheers for the update Mike.  :)
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Offline mikej

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Re: MiniMig with AGA
« Reply #737 on: November 15, 2010, 11:12:24 AM »
Boards are on the delivery truck according to tracking :)
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Offline bloodline

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Re: MiniMig with AGA
« Reply #738 on: November 15, 2010, 11:18:02 AM »
Quote from: mikej;591886
Boards are on the delivery truck according to tracking :)
Just in time for the new 68k build of AROS!
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Offline nicholas

Re: MiniMig with AGA
« Reply #739 on: November 15, 2010, 11:24:19 AM »
Quote from: bloodline;591887
Just in time for the new 68k build of AROS!


I'm seriously considering getting one of these to hack AROS 68k on.

http://acp.atari.org
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Offline bloodline

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Re: MiniMig with AGA
« Reply #740 on: November 15, 2010, 11:48:54 AM »
Quote from: nicholas;591893
I'm seriously considering getting one of these to hack AROS 68k on.

http://acp.atari.org
I've looked at these before. The Coldfire is a really bad fit for Amiga... Ok we can now build AROS for the coldfire, so we can get AmigaOS functionality, but that doesn't magically make Amiga programs coldfire capable... There is a really good link on the Coldire wiki page that lists the differences between the coldfire and the 68k... It's pretty horrific... Coldfire software should run on a 68k, the reverse isn't true :(
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Offline Karlos

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Re: MiniMig with AGA
« Reply #741 on: November 15, 2010, 11:51:47 AM »
68K compatibility on coldfire has improved in more recent cores, but you are still left with trap-and-emulate for various operations. Not sure what happened to those instructions where they were implemented but with different behaviour to the 68K; they were the real killer.
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Offline bloodline

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Re: MiniMig with AGA
« Reply #742 on: November 15, 2010, 12:01:35 PM »
Quote from: Karlos;591903
68K compatibility on coldfire has improved in more recent cores, but you are still left with trap-and-emulate for various operations. Not sure what happened to those instructions where they were implemented but with different behaviour to the 68K; they were the real killer.
Sadly the mul instruction is still not 68k compatible... How can you trap that? :(
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Offline Hattig

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Re: MiniMig with AGA
« Reply #743 on: November 15, 2010, 12:05:46 PM »
Quote from: bloodline;591902
I've looked at these before. The Coldfire is a really bad fit for Amiga... Ok we can now build AROS for the coldfire, so we can get AmigaOS functionality, but that doesn't magically make Amiga programs coldfire capable... There is a really good link on the Coldire wiki page that lists the differences between the coldfire and the 68k... It's pretty horrific... Coldfire software should run on a 68k, the reverse isn't true :(


Good lord, don't stop him porting AROS to this board - look at them running some form of Atari ST TOS operating system, we must stop their suffering.
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Offline TCMSLP

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Re: MiniMig with AGA
« Reply #744 on: November 15, 2010, 12:09:09 PM »
Whatever happened to the Elbox Dragon Coldfire?

http://elbox.com/news_04_12_17.html
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Offline nicholas

Re: MiniMig with AGA
« Reply #745 on: November 15, 2010, 12:27:59 PM »
Quote from: bloodline;591902
I've looked at these before. The Coldfire is a really bad fit for Amiga... Ok we can now build AROS for the coldfire, so we can get AmigaOS functionality, but that doesn't magically make Amiga programs coldfire capable... There is a really good link on the Coldire wiki page that lists the differences between the coldfire and the 68k... It's pretty horrific... Coldfire software should run on a 68k, the reverse isn't true :(


Getting it running on these boards would be my first priority,  68k binary compatibility would come much later, if at all.

When you take into consideration that i've not written a line of 68k assembly for nigh on 15 years it would take quite a long time indeed! :)
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Offline nicholas

Re: MiniMig with AGA
« Reply #746 on: November 15, 2010, 12:33:54 PM »
Quote from: Karlos;591903
68K compatibility on coldfire has improved in more recent cores, but you are still left with trap-and-emulate for various operations. Not sure what happened to those instructions where they were implemented but with different behaviour to the 68K; they were the real killer.


The ACP guys are more qualified than I am to answer that. They've obviously come up with some way around it though. Quite what compatibility issues and/or performance hit their solution entails I'm not sure.
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Offline alexh

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Re: MiniMig with AGA
« Reply #747 on: November 15, 2010, 12:48:36 PM »
Quote from: TCMSLP;591907
Whatever happened to the Elbox Dragon Coldfire?

As far as we know it had low compatibility and poor performance with a large percentage of software so they canned it.
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Offline jj

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Re: MiniMig with AGA
« Reply #748 on: November 15, 2010, 12:56:04 PM »
They only managed to get it running about same speed as 040/25 with some software as far as I remember.
 
Still waiting for the Shark, AOS4 been out for ages now :)
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Offline mikej

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Re: MiniMig with AGA
« Reply #749 on: November 15, 2010, 09:53:14 PM »
Got the boards!
I'll put some pics up on http://www.fpgaarcade.com asap.
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