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Author Topic: Arcade OSD and Midway resolutions  (Read 1625 times)

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LazyAce

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Arcade OSD and Midway resolutions
« on: July 26, 2018, 10:00:21 am »
Another question from me, but hopefully an easy one.

For CPS 1 etc. the resolution modes are easy to identify in Arcade OSD such as 60hz at 224 etc. However I can't find the exact rate and size  for Midway games so can't get accurate Porch and Freq. values. Don't really want to have to trial and error guess it, is there an obvious mode for these games I just can't see?

Thanks

Calamity

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Re: Arcade OSD and Midway resolutions
« Reply #1 on: July 26, 2018, 10:07:58 am »
Launch your game with GM, using the -v option, as if you were to create a log. Exit.

Launch Arcade OSD. You'll notice the option "Get mode from clipboad" is enabled. Use it, it will load the last video used by GM.

Make your tweaks. When you're done, use the option "Copy mode to clipboard", then open Notepad, CTRL+V and you'll get the relevant values to create a custom crt_range.

My advice is to only use the horizontal values, leave alone vertical porches, unless the picture is not centered.
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 of pasting it.

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

LazyAce

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Re: Arcade OSD and Midway resolutions
« Reply #2 on: July 26, 2018, 10:25:56 am »
Launch your game with GM, using the -v option, as if you were to create a log. Exit.

Launch Arcade OSD. You'll notice the option "Get mode from clipboad" is enabled. Use it, it will load the last video used by GM.

Make your tweaks. When you're done, use the option "Copy mode to clipboard", then open Notepad, CTRL+V and you'll get the relevant values to create a custom crt_range.

My advice is to only use the horizontal values, leave alone vertical porches, unless the picture is not centered.

Thanks that works great for everything else, as soon as I change even one value with anything Midway and 'test' the image messes up and goes nuts. Nothing else does this :/ Bloody Midway!

Calamity

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Re: Arcade OSD and Midway resolutions
« Reply #3 on: July 26, 2018, 11:44:41 am »
That's because you must be changing the wrong stuff. If you keep vfreq/hfreq fixed, then everything else should be adjustable.

Anyway just in case, restart your PC, sometimes a mode gets corrupt while messing with Arcade OSD too much.
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 of pasting it.

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