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Old 06-07-2011, 07:25 PM   #1
majsta
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Default First Amiga 600 FPGA Accelerator
Work in progress...

http://www.youtube.com/watch?v=aJLQyOSpB2Y
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Old 06-08-2011, 01:19 AM   #2
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Default Re: First Amiga 600 FPGA Accelerator
Cool!

Do you have a running prototype?
What kind of speed relative to an original A600 are you aiming for?
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Old 06-08-2011, 03:10 AM   #3
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Default Re: First Amiga 600 FPGA Accelerator
Awesome! So did finding those schematics help you then? I still have a folder on my desktop called "for majasta"

Good luck with it, I've got an A600 that might be interested.

Andy
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Old 06-08-2011, 03:51 AM   #4
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Default Re: First Amiga 600 FPGA Accelerator
does it actually work? i dont get this video..
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Old 06-08-2011, 04:13 AM   #5
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Default Re: First Amiga 600 FPGA Accelerator
@AJCopland Yes thank you for the schematics I told you i just need something to start

@Damiga No prototype yet but all tests are done and all seems to be ok. I ll order prototype in few days.
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Old 06-08-2011, 04:41 AM   #6
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Default Re: First Amiga 600 FPGA Accelerator
Bravo Majstore
Potrebni su nam takvi genijalci

We need geniuses like you
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Old 06-08-2011, 05:31 AM   #7
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Default Re: First Amiga 600 FPGA Accelerator
Ummmm ... I see a video of someone playing with a 3D PCB package, scrolling through the source to the TG68 core and then showing a "schematic" with a cpu socket, some voltage regulators and some pin holes connected

Then I see people congratualting you .... hmmm, yay you!


;-)
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Old 06-08-2011, 06:29 AM   #8
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Default Re: First Amiga 600 FPGA Accelerator
Cool, glad they helped

Don't be put off by problems with the first board(s). I think that regardless of the scale of the project (and yours is rather ambitious!) everyone has had set backs with the first prototypes.

Good luck.
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Old 06-08-2011, 06:49 AM   #9
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Default Re: First Amiga 600 FPGA Accelerator
What are you using for a CPU? A softcore like the FPGA Arcade or a real 68000 turbocharged like on the Minimig? Nice work.
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Old 06-08-2011, 07:09 AM   #10
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Default Re: First Amiga 600 FPGA Accelerator
Minimig has a real MC68000 CPU on it ???
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Old 06-08-2011, 08:15 AM   #11
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Default Re: First Amiga 600 FPGA Accelerator
Quote:
Originally Posted by Lord Aga View Post
Minimig has a real MC68000 CPU on it ???
Yes, the Minimig does but the FPGA Arcade doesn't.

However the Minimig allows the 68000 to run at an optional "turbo speed" around 50MHz.

It's the smaller square chip in the corner of the board between the joystick ports and the PIC.
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Last edited by Darrin; 06-08-2011 at 08:17 AM..
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Old 06-08-2011, 08:22 AM   #12
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Default Re: First Amiga 600 FPGA Accelerator
Holy cow, I thought Minimig used 68000 softcore in a FPGA...
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Old 06-08-2011, 09:41 AM   #13
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Default Re: First Amiga 600 FPGA Accelerator
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Old 06-08-2011, 10:08 AM   #14
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Default Re: First Amiga 600 FPGA Accelerator
Quote:
Originally Posted by Lord Aga View Post
Holy cow, I thought Minimig used 68000 softcore in a FPGA...
Not enough room on the FPGA, besides using an actual 68000 CPU eliminated a lot of potential bugs especially during early development. Dennis would have been wondering whether a bug was the fault of the "Amiga" code or the soft CPU. Besides, 68000 chips are cheap.

So, the leap from FPGA Minimig to an FPGA bases CPU card for a real Amiga isn't huge and if the cost is right then it could make a lot of sense.
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Last edited by Darrin; 06-08-2011 at 10:11 AM..
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Old 06-08-2011, 10:17 AM   #15
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Default Re: First Amiga 600 FPGA Accelerator
Smarter than Spock!
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