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 Post subject: Re: CPS2 digital AV interface
PostPosted: Sun Oct 18, 2020 4:10 pm 


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Joined: 15 Dec 2012
Posts: 839
Location: Finland
Scanline support has been added and firmware images (v0.91) have been generated for all supported systems (cps1-3, toaplan2). The project is more or less complete now. I might be still looking into adding support for Taito F3 some time in future.


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 Post subject: Re: CPS2 digital AV interface
PostPosted: Mon Oct 19, 2020 1:28 am 



Joined: 22 Jun 2005
Posts: 295
Location: Liberal cesspool
Thank you for all the hard work.
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 Post subject: Re: CPS2 digital AV interface
PostPosted: Mon Oct 26, 2020 12:30 pm 



Joined: 05 Apr 2020
Posts: 6
Updated today my CPS2, thanks for making it so great !
I was afraid of having only 2 buttons to be a bit tedious but it works well :)


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 Post subject: Re: CPS2 digital AV interface
PostPosted: Tue Oct 27, 2020 5:38 am 



Joined: 22 Jun 2005
Posts: 295
Location: Liberal cesspool
Any idea when these will come back in stock? Not sure why I waited so long.
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 Post subject: Re: CPS2 digital AV interface
PostPosted: Sat Oct 31, 2020 9:18 pm 


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Joined: 14 Aug 2019
Posts: 480
Location: BW, Germany
Thanks a lot. It works like a charm. :)

A few screenshots (click for full size, the scanline effect doesn't look right otherwise):
Spoiler: show
Image

Image

Image


marqs wrote:
I might be still looking into adding support for Taito F3 some time in future.

That would be lovely! Feel free to let me know in case you need any measurements in advance.


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 Post subject: Re: CPS2 digital AV interface
PostPosted: Sun Nov 01, 2020 11:05 pm 


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Joined: 15 Dec 2012
Posts: 839
Location: Finland
6t8k wrote:
marqs wrote:
I might be still looking into adding support for Taito F3 some time in future.

That would be lovely! Feel free to let me know in case you need any measurements in advance.
Thanks. I have a F3 over here, though, so just need to find some time for inspecting the board and deciding optimal placement for the mod. Neo Geo is another multigame system which could be supported, but I don't have one at the moment.


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 Post subject: Re: CPS2 digital AV interface
PostPosted: Fri Nov 06, 2020 8:41 pm 


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Joined: 14 Aug 2019
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Location: BW, Germany
marqs wrote:
Neo Geo is another multigame system which could be supported, but I don't have one at the moment.

I don't have access to a Neo Geo either, unfortunately.


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 Post subject: Re: CPS2 digital AV interface
PostPosted: Tue Nov 10, 2020 9:54 pm 



Joined: 10 Nov 2020
Posts: 3
Are these still being produced I'm late to the party and would love to get my hands on one! Also have a Neo-Geo MV1C I could contribute to the cause if anyone is interested in messing around with it.


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 Post subject: Re: CPS2 digital AV interface
PostPosted: Sat Dec 12, 2020 8:23 pm 


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Joined: 15 Dec 2012
Posts: 839
Location: Finland
thchardcore wrote:
Any idea when these will come back in stock? Not sure why I waited so long.
New stock has just arrived on VGP.


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 Post subject: Re: CPS2 digital AV interface
PostPosted: Sat Dec 12, 2020 8:31 pm 



Joined: 22 Jun 2005
Posts: 295
Location: Liberal cesspool
Thank you!
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 Post subject: Re: CPS2 digital AV interface
PostPosted: Mon Dec 14, 2020 2:57 pm 



Joined: 05 Dec 2012
Posts: 515
I posted a video about this over the weekend. There's good shots of the CPS2 installation, as well as all menu options demo'd, all resolutions demo'd and the firmware update process shown: https://youtu.be/RmJk_JXukdU


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 Post subject: Re: CPS2 digital AV interface
PostPosted: Mon Dec 14, 2020 11:54 pm 


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Joined: 26 Jan 2005
Posts: 617
Location: Singapore
Is anyone offering the cps1 adapter board, already populated ?
VGP doesn't it seems.
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 Post subject: Re: CPS2 digital AV interface
PostPosted: Sat Jan 02, 2021 5:05 am 



Joined: 03 Mar 2020
Posts: 12
marqs wrote:
Scanline support has been added and firmware images (v0.91) have been generated for all supported systems (cps1-3, toaplan2). The project is more or less complete now. I might be still looking into adding support for Taito F3 some time in future.


GOD BLESS YOU SO MUCH SIR! Perfect! So very PERFECT!!!


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 Post subject: Re: CPS2 digital AV interface
PostPosted: Sun Jan 03, 2021 10:28 pm 


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Joined: 07 May 2018
Posts: 721
Location: Escondido, CA, USA
Don't know if this was mentioned already (didn't see it on a quick scour of the thread). I believe I've found a better location for sourcing the requisite clock signal, compared to the solder side of the osillator.

The LS74 of whatever it is (I didn't make a proper note of what the component actually is) at 8S is being fed the needed clock signal on pin 6. Conveniently, pin 7 is grounded. Easier to get to, and don't have to run your coax cable to the opposite side of the board.

Spoiler: show
Image


I had continued experiencing pixel anomalies at the higher resolutions (1920x1200 and 1920x1440), which I chalked up to TV incompatibility. Those anomelies are now gone, and my 4k TV is displaying both resolutions brilliantly.


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 Post subject: Re: CPS2 digital AV interface
PostPosted: Mon Jan 04, 2021 10:36 am 


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Joined: 26 Jan 2005
Posts: 617
Location: Singapore
Interesting, thanks !
Might come in handy as I have yet to install mine.

Did you reflow the pins 1~5 of the CPS-A-01 ?
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 Post subject: Re: CPS2 digital AV interface
PostPosted: Mon Jan 04, 2021 3:10 pm 


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Joined: 07 May 2018
Posts: 721
Location: Escondido, CA, USA
parodius wrote:
Did you reflow the pins 1~5 of the CPS-A-01 ?


Good eye. Pin 4 also gets the clock signal. I was trying to tap there before tracing further to find the suitable points at 8s.

Thankfully I was able to correct the minor damage caused at CPS-a-01. :/

Sent from my SM-G955U using Tapatalk


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 Post subject: Re: CPS2 digital AV interface
PostPosted: Mon Jan 04, 2021 3:39 pm 


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Joined: 15 Dec 2012
Posts: 839
Location: Finland
parodius wrote:
Is anyone offering the cps1 adapter board, already populated ?
VGP doesn't it seems.
Not yet. JLCPCB has the parts in their library except for 74LVC112 and the headers so a semi-assembled board could be ordered from there.

NoAffinity wrote:
Don't know if this was mentioned already (didn't see it on a quick scour of the thread). I believe I've found a better location for sourcing the requisite clock signal, compared to the solder side of the osillator.

The LS74 of whatever it is (I didn't make a proper note of what the component actually is) at 8S is being fed the needed clock signal on pin 6. Conveniently, pin 7 is grounded. Easier to get to, and don't have to run your coax cable to the opposite side of the board.
The buffered output is indeed more robust place for tapping clock, but it's not as easy to solder and bad installation could damage the PCB.


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