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Author Topic: FPGA Replay Board  (Read 821502 times)

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Offline Everblue

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Re: FPGA Replay Board
« Reply #899 on: August 29, 2011, 01:31:27 PM »
That's great. I'd really love to get one now but I am a bit short of cash (aren't we all). Guess will wait for the next run :)
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Offline ptek

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Re: FPGA Replay Board
« Reply #900 on: August 29, 2011, 01:35:07 PM »
@mikej

If it's possible to hook it to a CRT TV with a RCA cable or SCART or any other cabling (could not find the specs at the FAQ or elsewhere at your webpage) please count me in for a pre-order.
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Offline mikej

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Re: FPGA Replay Board
« Reply #901 on: August 29, 2011, 04:31:08 PM »
Quote from: ptek;656679
@mikej

If it's possible to hook it to a CRT TV with a RCA cable or SCART or any other cabling (could not find the specs at the FAQ or elsewhere at your webpage) please count me in for a pre-order.


Yes, you can use a DVI to analog VGA adapter then a "standard" VGA to SCART cable.
If you get the SVHS/Composite option you also have the choice of those outputs.

Note, these are only supported by the 488i,576i (ntsc/pal) standards.
/MikeJ
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Offline psxphill

Re: FPGA Replay Board
« Reply #902 on: August 29, 2011, 05:26:44 PM »
Quote from: mikej;656543
4 - Yes, with a DVI to HDMI cable. For the audio you will need to run a separate cable from the 3.5mm jack to the RCA inputs on the TV.

is there any chance a future version will have audio over hdmi?
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Offline Everblue

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Re: FPGA Replay Board
« Reply #903 on: August 29, 2011, 05:46:56 PM »
This is an awesome project. Hopefully one day it will be something we can buy from stores such as AmigaKit and Vesalia :)
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Offline Lizard

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Re: FPGA Replay Board
« Reply #904 on: August 29, 2011, 06:03:24 PM »
Quote from: psxphill;656716
is there any chance a future version will have audio over hdmi?


You could use something like this:

DVI & R/L Stereo Audio to HDMI Converter
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Offline Everblue

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Re: FPGA Replay Board
« Reply #905 on: August 29, 2011, 06:11:42 PM »
74 dollars O_O
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Offline Lizard

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Re: FPGA Replay Board
« Reply #906 on: August 29, 2011, 06:31:35 PM »
Quantity 1 shows $36.74
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Offline Everblue

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Re: FPGA Replay Board
« Reply #907 on: August 29, 2011, 07:44:19 PM »
Ooops I saw the price on top :P
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Offline mikej

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Re: FPGA Replay Board
« Reply #908 on: August 29, 2011, 08:15:27 PM »
Quote from: Lizard;656727
You could use something like this:

DVI & R/L Stereo Audio to HDMI Converter


That's a pretty interesting box, if anybody has one I would like to know what chip is inside it :)

I cannot fit a HDMI connector due to licensing issues, and I can't buy (legally at least) the chips which support HDMI as they have HDCP support - and you need to be a member of the cartel to use them. Future hardware is likely to support display port instead.
/MikeJ
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Offline Everblue

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Re: FPGA Replay Board
« Reply #909 on: August 29, 2011, 08:30:50 PM »
mikej I have a dreambox DM800 satellite receiver, and it has DVI connection, not HDMI, and yet it still outputs audio from the TV. Maybe you should look into that?

The receiver comes with a DVI to HDMI cable.
« Last Edit: August 29, 2011, 08:47:25 PM by Everblue »
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Offline billt

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Re: FPGA Replay Board
« Reply #910 on: August 29, 2011, 08:41:29 PM »
Quote from: mikej;656762
I cannot fit a HDMI connector due to licensing issues, and I can't buy (legally at least) the chips which support HDMI as they have HDCP support - and you need to be a member of the cartel to use them. Future hardware is likely to support display port instead.
/MikeJ


I take it that means Displayport is not encumbered by a similar cartel?
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Offline mikej

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Re: FPGA Replay Board
« Reply #911 on: August 29, 2011, 08:52:46 PM »
Quote from: Nostromo;656764
mikej I have a dreambox DM800 satellite receiver, and it has DVI connection, not HDMI, and yet it still outputs audio from the TV. Maybe you should look into that?

The receiver comes with a DVI to HDMI cable.


yes, there is nothing stopping you running HDMI protocol over DVI. The PHY chip I am using only supports DVI unfortunately, and I can't buy one which does what I want.
I am looking into building the whole thing into the FPGA...
/MikeJ
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Offline Everblue

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Re: FPGA Replay Board
« Reply #912 on: August 29, 2011, 08:54:03 PM »
From a Dreambox DM800 forum regarding audio on DVI (with DVI to HDMI cable):

"In the dm800, the audio has been routed to go through pins in the dvi lead to the hdmi cable. This is how come the audio is able to go through the dvi lead in the dm800. The box has been specifically designed to carry audio through the dvi cable. Nothing to do with the actual cable used, it's the box... "

Maybe the same thing can be done with FPGA Replay, that way we can keep using the much popular HDMI port.
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Offline ptek

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Re: FPGA Replay Board
« Reply #913 on: August 29, 2011, 10:56:56 PM »
Quote from: mikej;656703
Yes, you can use a DVI to analog VGA adapter then a "standard" VGA to SCART cable.
If you get the SVHS/Composite option you also have the choice of those outputs.

Note, these are only supported by the 488i,576i (ntsc/pal) standards.
/MikeJ

The prices for the extra plugs seems ok, accordingly to Amazon: Pretty cheap for the DVI to VGA and also cheap for a VGA to SCART cable. I wonder how the final picture quality will be, but again I will not buy in the future any more CRT TV's.

In the meanwhile I took a better look and found the specs at http://www.fpgaarcade.com/dev/drupal/?q=node/5 . So the "SVHS/Composite" is really and option or does it come at the board as standard? Could not locate the P20 plug.

Anyway, count me in for a pre-order, as long the price keeps reasonable close to the €200+VAT.
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Offline Everblue

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Re: FPGA Replay Board
« Reply #914 from previous page: August 29, 2011, 11:01:49 PM »
Just wondering.... is it able to set the Replay FPGA to output at 1080p reslution and then multiply the pixel output of the picture to the maximum resolution that would fit in the 1080p resolution? Extra pixels would be just black of course (border around the picture).

Not sure if I was clear :)
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