Author Topic: UperGrafx PC Engine 720p DVI Widget  (Read 4759 times)

Bonknuts

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Re: UperGrafx PC Engine 720p DVI Widget
« Reply #30 on: May 05, 2016, 07:05:42 PM »
Have you tried Chris Covell's PCE interlacing demo with it?

Joe Redifer

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Re: UperGrafx PC Engine 720p DVI Widget
« Reply #31 on: May 06, 2016, 12:57:55 PM »
I don't think I have, no. In fact I don't think I ever downloaded that one.

ccovell

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Re: UperGrafx PC Engine 720p DVI Widget
« Reply #32 on: May 06, 2016, 01:14:14 PM »
But what's missing is the equalization pulses that identify even/odd fields - so it's not a true interlaced signal. I've tried this on some HD sets and they didn't like the signal much. SDTV sets though, never had a problem with this trick on the PCE (demo, others have done this too - Ccovell).

Can these equalization pulses be "simulated", either by switching the VCE/VDC on/off quickly at this time, or by putting noise on the video line/GND some other way (square waves through all 6 sound DACs, for instance)?

Johnpv

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Re: UperGrafx PC Engine 720p DVI Widget
« Reply #33 on: June 02, 2016, 03:13:27 AM »
GameTechUS got one of these to try out and I guess give feedback to the developer about.




Also HOLY SHIT 40,000 YEN!  That's insanely expensive, buy a framemeister for less.  It also works on a TG16, which makes sense since the pin out on that back port should probably be the same. 
« Last Edit: June 02, 2016, 03:15:43 AM by Johnpv »

Digi.k

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Re: UperGrafx PC Engine 720p DVI Widget
« Reply #34 on: June 02, 2016, 04:21:51 AM »
A bit pricey buy I hope they can get it out on the market a lot cheaper..


GaijinD

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Re: UperGrafx PC Engine 720p DVI Widget
« Reply #35 on: June 02, 2016, 05:28:45 AM »
HDCP? Why would you want to add copy protection to the signal? I've never heard of a TV requiring it.
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mickcris

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Re: UperGrafx PC Engine 720p DVI Widget
« Reply #36 on: June 02, 2016, 05:56:30 AM »
they need to get rid of the bars on the side with advertising of their product name.  no one is going to want to buy this at that price with its current design.

schweaty

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Re: UperGrafx PC Engine 720p DVI Widget
« Reply #37 on: June 02, 2016, 08:49:26 AM »
they need to get rid of the bars on the side with advertising of their product name.  no one is going to want to buy this at that price with its current design.

the designer said in the comments the product name bars were just for the demo units they sent out

ginoscope

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Re: UperGrafx PC Engine 720p DVI Widget
« Reply #38 on: June 02, 2016, 09:12:00 AM »
Way too expensive and no CD support is a show stopper for me. 

I'm not sure what is the obsession with playing old games on a HDTV.  I'm all about RGB and love image quality but I find myself using my CRT and s-video more than I do the xrgb mini on the 24" LCD.  People can argue space but a decent 20" CRT does not take up that much space.

wildfruit

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Re: UperGrafx PC Engine 720p DVI Widget
« Reply #39 on: June 03, 2016, 01:43:08 AM »
Praise be for rgb scart TVs by the bucket load.

thesteve

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Re: UperGrafx PC Engine 720p DVI Widget
« Reply #40 on: June 03, 2016, 10:51:38 AM »
Ok lets answer a few questions
The video bus is available on the back
The scan timing is generated by a clock divider in the 6260
the pixel clock is also a divider in the 6260 sent to the 6270
Pixels are sent real time in 9bit from the 6270 and the 6260 assigns the colors to the data

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thesteve

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Re: UperGrafx PC Engine 720p DVI Widget
« Reply #41 on: June 03, 2016, 10:53:36 AM »
Currently working on new timing generator for the system to generate interlaced output

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Black Tiger

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Re: UperGrafx PC Engine 720p DVI Widget
« Reply #42 on: June 03, 2016, 02:47:30 PM »
Way too expensive and no CD support is a show stopper for me. 

I'm not sure what is the obsession with playing old games on a HDTV.  I'm all about RGB and love image quality but I find myself using my CRT and s-video more than I do the xrgb mini on the 24" LCD.  People can argue space but a decent 20" CRT does not take up that much space.

My 13" RGB monitor doesn't feel small and fits on the corner of my desk. I still only use it as a novelty or for arcade games (especially ceryical ones)
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NightWolve

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Re: UperGrafx PC Engine 720p DVI Widget
« Reply #43 on: December 19, 2017, 04:38:27 AM »
GameTechUS got one of these to try out and I guess give feedback to the developer about.




Also HOLY SHIT 40,000 YEN!  That's insanely expensive, buy a framemeister for less.  It also works on a TG16, which makes sense since the pin out on that back port should probably be the same.

OK, in light of the new competing PCE Super SD System 3 product, I was reminded of this Japanese DVI/HDMI supporting one.

Notes:

* http://www.upergrafx.com
* https://twitter.com/upergrafx
* It's called Uper Grafx 720p Booster.
* Output port is DVI, so you need a DVI to HDMI cable, audio is included so you don't need separate RCA connections.
* Pricing according to GameTechUS was hovering at $368 or 40,000 YEN, not good...
* From looking at the Japanese website with Google Translate, it appears CD image support has been added. It needs images made with CD Manipulator. http://www.upergrafx.com/cdrom2_setup_ja
* There's some debate if it taps a digital signal or does a good job of encoding the analog RGB back to digital before tripling the resolution from 240p to 720p. Better be all digital for the kind of money you're looking at! States it's full digital on their Twitter. Tough call on this one, but definitely has potential. I just want the board that triples the resolution and encodes to DVI/HDMI like what GameTech is talking about. I hope further progress is made on it.

NightWolve

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Re: UperGrafx PC Engine 720p DVI Widget
« Reply #44 on: December 19, 2017, 04:59:31 AM »
http://www.upergrafx.com/faq_en

Quote
Q3.Is it possible to install on a DUO internally?
A3. There are around 60 connections that would need to be made so it's not really feasible.
The lines that are required are all over the PCB and on the legs of fine pitch components. We think the possibility of successfully installing it would be very low.

Hahaha!!!! OK, they answered the Duo question...

Quote
Q6.Why not use a HDMI connector?
A6. HDMI certification is expensive and the signal being output isn't strictly HDMI compliant.

Ah, I see, so DVI to HDMI cable it is.