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Author Topic: Is the Radeon R7 250 compatible with CRT Emudriver?  (Read 569 times)

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Swainy

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Is the Radeon R7 250 compatible with CRT Emudriver?
« on: October 27, 2018, 03:54:16 am »
Hi guys, Iím very new at all this 15hz stuff and Iím not having much luck with it. Iíve currently got a Radeon R7 250 graphics card and Iím not sure if it is compatible with CRT Emudriver. If it isnít, can you recommend a small profile card that is please? Iím looking to emulate arcade games and console wise Iíll be going as far as the Megadrive and SNES. Cheers!

silmalik

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Re: Is the Radeon R7 250 compatible with CRT Emudriver?
« Reply #1 on: October 27, 2018, 08:07:19 am »
Hi,

Welcome to 15kHz dimension! :)

For Windows 7/8/10 64-bits, yes, your card is the list, it's a good choice:
http://geedorah.com/eiusdemmodi/forum/viewtopic.php?id=295

There are some really useful readings on the subject:
http://geedorah.com/eiusdemmodi/forum/viewforum.php?id=1

Swainy

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Re: Is the Radeon R7 250 compatible with CRT Emudriver?
« Reply #2 on: October 27, 2018, 08:24:43 am »
Thanks for confirming that it is. However when I run CRT Emudriver, itís not showing up as a compatible device.

Iím on Windows 7 by the way.
« Last Edit: October 27, 2018, 08:38:53 am by Swainy »

silmalik

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Re: Is the Radeon R7 250 compatible with CRT Emudriver?
« Reply #3 on: October 27, 2018, 09:11:02 am »
Ensure that you are using "GCN" emudrivers version.

If yes, it might be an exotic card version. You can check if the card identifier can be found in the drivers INI file.

Swainy

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Re: Is the Radeon R7 250 compatible with CRT Emudriver?
« Reply #4 on: October 27, 2018, 09:32:26 am »
I had downloaded the wrong version of CRT Emudriver, now I feel silly! Right, just about to have a go at setting it up. Thanks again!

Swainy

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Re: Is the Radeon R7 250 compatible with CRT Emudriver?
« Reply #5 on: October 27, 2018, 12:29:30 pm »
Ok Iíve installed the drive, tried setting up VMMaker and Iíve now plugged my VGA lead into my arcade monitor Iím getting 2 and a half versions of whatever image is displayed.




Calamity

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Important note: posts reporting GM issues without a log will be IGNORED.
Steps to create a log:
 - From command line, run: groovymame.exe -v romname >romname.txt
 - Attach resulting romname.txt file to your post, instead or pasting it.

CRT Emudriver, VMMaker & Arcade OSD downloads, documentation and discussion:  Eiusdemmodi

Swainy

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Re: Is the Radeon R7 250 compatible with CRT Emudriver?
« Reply #7 on: October 27, 2018, 01:39:58 pm »
I have tried following your guide but when I click Enable EDID emulation my LCD screen stays blank. Also my graphics card only has a DVI and HDMI port so Iím not sure what drop down option I should be selecting?

Calamity

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Re: Is the Radeon R7 250 compatible with CRT Emudriver?
« Reply #8 on: October 27, 2018, 01:48:48 pm »
What output are listed in the EDID emulation dropdown menu? Make sure you are using beta 14.
Important note: posts reporting GM issues without a log will be IGNORED.
Steps to create a log:
 - From command line, run: groovymame.exe -v romname >romname.txt
 - Attach resulting romname.txt file to your post, instead or pasting it.

CRT Emudriver, VMMaker & Arcade OSD downloads, documentation and discussion:  Eiusdemmodi

Swainy

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Re: Is the Radeon R7 250 compatible with CRT Emudriver?
« Reply #9 on: October 27, 2018, 02:42:09 pm »
You will have to excuse the poor screen shot, Iíve currently got an old Packard a bell CRT monitor hooked up as my PC screen. Iíve also noticed that it says Radeon R9 M360 in VVM instead of R7 250.

« Last Edit: October 27, 2018, 02:44:18 pm by Swainy »

Calamity

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Re: Is the Radeon R7 250 compatible with CRT Emudriver?
« Reply #10 on: October 27, 2018, 02:54:12 pm »
You have to enable analog_0 VGA. First disable emulation on the other ones you has enabled.
Important note: posts reporting GM issues without a log will be IGNORED.
Steps to create a log:
 - From command line, run: groovymame.exe -v romname >romname.txt
 - Attach resulting romname.txt file to your post, instead or pasting it.

CRT Emudriver, VMMaker & Arcade OSD downloads, documentation and discussion:  Eiusdemmodi

Swainy

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Re: Is the Radeon R7 250 compatible with CRT Emudriver?
« Reply #11 on: October 27, 2018, 03:43:05 pm »
Ok Iíve done that, my PC monitor does what it should do by displaying an out of range message confirming that windows is out putting at 15hz however my arcade screen is still displaying the image the same as before. The only way itís currently displaying normalíish display is if I go into my PCís safe mode options and select that it boots in 640 x 480 which is odd because the resolution is obviously the same as CRT Emudriver puts it in anyway.

Swainy

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Re: Is the Radeon R7 250 compatible with CRT Emudriver?
« Reply #12 on: October 27, 2018, 04:06:45 pm »
Actually after rebooting windows it seems to be displaying ok, although the picture is a bit squashed.



Now I just need to get Groovy Mame sorted.

Oh maybe not.

« Last Edit: October 27, 2018, 04:10:20 pm by Swainy »

Swainy

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Re: Is the Radeon R7 250 compatible with CRT Emudriver?
« Reply #13 on: October 28, 2018, 03:38:49 am »
Guys, the arcade monitor I have is 19Ē Tutung Type 58 which is out of a Megatouch. Should I be selecting the Hi Res Arcade option instead of Arcade 15hz?
« Last Edit: October 28, 2018, 06:57:43 am by Swainy »

Swainy

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Re: Is the Radeon R7 250 compatible with CRT Emudriver?
« Reply #14 on: October 28, 2018, 05:12:50 am »
Ok, so Iíve set it up as hi res arcade and the display is good but when Iím runnning Groovymame the resolution doesnít change.



« Last Edit: October 28, 2018, 05:15:38 am by Swainy »

silmalik

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Re: Is the Radeon R7 250 compatible with CRT Emudriver?
« Reply #15 on: October 28, 2018, 06:14:50 am »
Have a look a Calamity's signature and post log files  ;)

Swainy

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Re: Is the Radeon R7 250 compatible with CRT Emudriver?
« Reply #16 on: October 28, 2018, 07:14:09 am »
I have been reading Calamity's guides and I will post log files later (busy with the kids at the moment). Am I right though in thinking that with it being a 31hz monitor, it wonít be able to do lower resolutions than 640 by 480 though?
« Last Edit: October 28, 2018, 07:28:38 am by Swainy »

Swainy

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Re: Is the Radeon R7 250 compatible with CRT Emudriver?
« Reply #17 on: October 28, 2018, 11:56:35 am »

buttersoft

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Re: Is the Radeon R7 250 compatible with CRT Emudriver?
« Reply #18 on: October 28, 2018, 06:26:24 pm »
Horizontal Scan Rate = (Total Vertical Lines per Frame) x (Frames per second)

31kHz = (480 visible lines + 45 blanking lines) x 60Hz

so the following is also true:

31kHz = (576 + 44) x 50Hz

A 15Khz CRT will go from about 50-65Hz and same for a 31kHz arcade CRT, i believe. (A PC monitor is often a bit more flexible, and will probably sync anywhere from 31kHz up to its horizontal scan limit (google for the specs) at anywhere from 40-160Hz, as long as the equation balances. You can also look into something like 120Hz 240p (or 100Hz 256p))

EDIT: oops, section removed as that's not a PC monitor you have :) The only problem with the above might be that some old arcade monitors can be sensitive. Keep it on spec if you can.
« Last Edit: October 28, 2018, 07:37:09 pm by buttersoft »

Swainy

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Re: Is the Radeon R7 250 compatible with CRT Emudriver?
« Reply #19 on: October 29, 2018, 08:13:37 am »
Cool thanks for all the info and help guys! Got it running at 31hz and itís looking good. Tempted to buy a 15hz monitor now though if I can find one at a good price.

Calamity

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Re: Is the Radeon R7 250 compatible with CRT Emudriver?
« Reply #20 on: October 29, 2018, 08:21:44 am »
It's kHz my friend.  :cheers:
Important note: posts reporting GM issues without a log will be IGNORED.
Steps to create a log:
 - From command line, run: groovymame.exe -v romname >romname.txt
 - Attach resulting romname.txt file to your post, instead or pasting it.

CRT Emudriver, VMMaker & Arcade OSD downloads, documentation and discussion:  Eiusdemmodi

Swainy

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Re: Is the Radeon R7 250 compatible with CRT Emudriver?
« Reply #21 on: October 29, 2018, 02:51:01 pm »
Ha sorry about that. One more little problem Iím having is running my front end which is HyperSpin. I read that there are problems with it when running in 31kHz and Iíve checked VMMaker is set to use super resolutions. Now the strange thing is, if I go into VMMaker then try running HyperSpin it works fine. But HyperSpin will not run on a fresh pc boot up. Any ideas?
« Last Edit: October 29, 2018, 02:56:37 pm by Swainy »

  
 

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