FPGA graphic card

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qq1975b
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Re: FPGA graphic card

Postby qq1975b » Mon Jun 08, 2015 8:24 am

ctirad wrote:I bought miniSpartan6+ as a development platfrom http://www.scarabhardware.com/minispartan6/

The inital tests with HDMI out work nicely. Now I have to create an interface that will connect the kit to megabus in order to start some real development. Unfortunatelly, I have some serious health issues since April and thus I don't have a right mood to develop anything :(



I hope you fully recover soon Ctirad.
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Re: FPGA graphic card

Postby qq1975b » Tue Apr 26, 2016 2:44 pm

shoggoth wrote:
qq1975b wrote:Yes...I have read on Atari Documentation Archive that the TT's motherboard can have 8MB Ram and the card another 8MB, so 16MB ST RAM in total...but...in TT Headquarters (where I cannot visit now I don't know why) I read a brochure in german that said 32 MB ST RAM...I suppose it must be a mistake.


Brochure is most likely wrong; STRAM bus is 24-bit. Either way it's not critical, most software prefers TTRAM when available.


26MB, sorry: http://www.ataritt030.info/upload/dokum ... ari-tt.pdf
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Re: FPGA graphic card

Postby Anzac » Sun Jul 24, 2016 5:53 pm

This seems a really interesting project. I'm sure many users would relish the chance to have better graphics but especially the ability to use modern monitors...

Hope Ctirad is better, would love to see this happening...
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I will bring back Power without the price...
oh, well... not on this planet anymore... :(

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Re: FPGA graphic card

Postby tuxie » Mon Aug 08, 2016 6:39 pm

At first, my TT has 8MB Ram on board and when i plugin a 8MB Ram Card i get only 10Mb of memory, nothing more.....

Second: Is there any news about your project ?

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Re: FPGA graphic card

Postby qq1975b » Tue Aug 09, 2016 7:58 am

tuxie wrote:At first, my TT has 8MB Ram on board and when i plugin a 8MB Ram Card i get only 10Mb of memory, nothing more.....

Second: Is there any news about your project ?


8MB on board? So it was modded, right? And the TT didn't recognize more than 10 MB....:(

The TT by default had only 2MB on the motherboard and 2 more on the ST RAM board (the one you can expand to 8MB).
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Re: FPGA graphic card

Postby tuxie » Sat Aug 20, 2016 8:49 pm

Yes my TT is modded, someone soldered two PS2 simms onto the mainboard.. so i have 8MB onboard

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Re: FPGA graphic card

Postby emcclariion » Mon Aug 22, 2016 12:36 pm

I have a AlberTT Graphics card for my MegaSTE and it runs at 1024x768.

The little green desktop is not so little anymore haha
Mega STE 4MB, AlberTT and Atari STE 4MB TOS 2.06 Netusb Ultrasatan 2

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Re: FPGA graphic card

Postby Atarieterno » Fri Nov 18, 2016 10:22 pm

I hope you fully recover soon Ctirad.
Courage!!, dear fellow Atarian, others also coincide with you in trouble ... I use my Atari to disconnect from highers problems and think less about them.
A huge hug.
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Re: FPGA graphic card

Postby Cyprian » Thu Aug 23, 2018 4:30 pm

ctirad wrote:I bought miniSpartan6+ as a development platfrom http://www.scarabhardware.com/minispartan6/

The inital tests with HDMI out work nicely. Now I have to create an interface that will connect the kit to megabus in order to start some real development.


any progress in this topic?
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Re: FPGA graphic card

Postby alexh » Thu Aug 23, 2018 4:43 pm

There are at least three FPGA based gfx cards for the Amiga. The latest to be announced is the ZZ9000 which is an "everything" card.

https://shop.mntmn.com/products/zz9000- ... a-preorder

It is using a simple PCB adapter board containing the voltage level shifters and a $99 MyiR Z-Turn Xilinx Zync FPGA.

That board is cheaper and arguably much better than the minispartan6+ board in this thread which is now I believe end-of-life

Arguably a DE10-nano (aka MiSTer) would be the best choice of base platform for an FPGA card which plugs into a classic Atari ST/TT because of the support that could be available from developers on that platform here.

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Re: FPGA graphic card

Postby Atarieterno » Thu Aug 23, 2018 4:59 pm

And the "Vampire-Atari" announced with hype and cymbals?
Please, Atari users have a delicate age, we can not wait another 50 years ... :mrgreen:
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Re: FPGA graphic card

Postby Cyprian » Thu Aug 23, 2018 6:42 pm

Alexh, this is a quite nice project but overpriced €299
Atarieterno, yep
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Re: FPGA graphic card

Postby rpineau » Fri Aug 24, 2018 8:59 pm

They seem to be using this card as the base :
http://www.myirtech.com/list.asp?id=502
So it's already $119 for the one with the with XC7Z020 which they use on the Amiga card (adapter).
Falcon + AB040 + Eclipse PCI + ATI Rage VGA card + NE2000 Ethernec + HxC Floppy Emulator
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Re: FPGA graphic card

Postby qq1975b » Tue Aug 28, 2018 9:20 am

At least they add more features than just only graphics.
The prices of Amiga RTG are more expensive than this nowadays... the new Phase 5's Cyberstorm 64 3D2, for example, is priced at....398€.
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Re: FPGA graphic card

Postby ctirad » Wed Aug 29, 2018 9:17 pm

Just a FYI. Recently I restarted my work at the FPGA video card.
Of course, the initial development will be made on the FPGA development board mentioned earlier in this thread. I have already working simulatenous digital DVI and analog VGA (via external resistor DAC) video generating from my previous experiments. The built-in SDRAM is utilised as a VIDEORAM.

This week I got the PCBs for the 68k BUS adapter from the manufacturer, thus as soon as I will be built and fitted to the ST and will be capable to access the BUS from the FPGA side, I can start some real work.

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Re: FPGA graphic card

Postby qq1975b » Wed Sep 05, 2018 7:00 pm

ctirad wrote:Just a FYI. Recently I restarted my work at the FPGA video card.
Of course, the initial development will be made on the FPGA development board mentioned earlier in this thread. I have already working simulatenous digital DVI and analog VGA (via external resistor DAC) video generating from my previous experiments. The built-in SDRAM is utilised as a VIDEORAM.

This week I got the PCBs for the 68k BUS adapter from the manufacturer, thus as soon as I will be built and fitted to the ST and will be capable to access the BUS from the FPGA side, I can start some real work.


Oh! Great news. Unexplored improvement for the ST world but with huge potential.
Trying to learn...

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Re: FPGA graphic card

Postby Cyprian » Wed Sep 05, 2018 7:35 pm

yep, cool news
Jaugar / TT030 / Mega STe / 800 XL / 1040 STe / Falcon030 / 65 XE / 520 STm / SM124 / SC1435
SDrive / PAK68/3 / CosmosEx / SatanDisk / UltraSatan / USB Floppy Drive Emulator / Eiffel / SIO2PC / Crazy Dots / PAM Net
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alienkidmj12
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Re: FPGA graphic card

Postby alienkidmj12 » Wed Nov 07, 2018 11:01 pm

Very interesting

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Re: FPGA graphic card

Postby alienkidmj12 » Wed Nov 07, 2018 11:06 pm

Especially vme with tc ;)

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Re: FPGA graphic card

Postby damanloox » Thu Nov 08, 2018 8:09 am

I'd go for at least 1280x1024 (and let FPGA do buffer swapping). 1280x720 is not really usable on a computer that was designed for (more or less) 4x3 aspect ratio.


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