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Author Topic: Tearing in PC-Engine driver  (Read 2374 times)

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Moneyhead

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Tearing in PC-Engine driver
« on: May 16, 2018, 02:26:09 am »
Is anybody using Groovymame for PC-Engine Emulation?

I have very bad tearing effects for all vertical scrolling games, e.g. 1943 or Galaga 88.
This only seems to happen in the PC-Engine driver "pce".

Everything is fine with the arcade or snes drivers.

I have tried to change frame_delay and vsync_offset  in pce.ini. But nothing seems to help.




« Last Edit: May 16, 2018, 03:43:03 am by Moneyhead »

Moneyhead

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Re: Tearing in PC-Engine driver
« Reply #1 on: May 17, 2018, 04:21:51 am »
Lots of views but no reply.

Is anybody using Groovymame for PC_engine?
Can you confirm if you have tearing or not?

cools

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Re: Tearing in PC-Engine driver
« Reply #2 on: May 17, 2018, 04:53:29 am »
If I remember correctly PC Engine runs in a resolution that's over 240 lines, so it sounds like your setup is having to downscale vertically.

Moneyhead

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Re: Tearing in PC-Engine driver
« Reply #3 on: May 17, 2018, 08:01:39 am »
But normally Groovmame should choose the resolution automatically.

I have a trisync-Monitor. So 2560x288 or even more is no problem.

Calamity

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Re: Tearing in PC-Engine driver
« Reply #4 on: May 17, 2018, 08:43:27 am »
I enter the thread, no log yet, I leave the thread.
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

funkycochise

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Re: Tearing in PC-Engine driver
« Reply #5 on: May 17, 2018, 01:54:12 pm »
I used to play kyukyoku tiger with groovymame
I never experienced or noticed any tearing.
 ???
« Last Edit: May 17, 2018, 11:34:47 pm by funkycochise »

haynor666

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Re: Tearing in PC-Engine driver
« Reply #6 on: May 18, 2018, 02:07:20 am »
Driver uses 242 vertical lines so maybe picture is shrinked into 240 lines.

I enter the thread, no log yet, I leave the thread.

:)

Moneyhead

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Re: Tearing in PC-Engine driver
« Reply #7 on: May 18, 2018, 06:15:28 am »
I have also tried higher resolutions than 240 lines. No difference.

I will post a log on the weekend.
Though that a log might not help that much for something like tearing.

Moneyhead

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Re: Tearing in PC-Engine driver
« Reply #8 on: May 22, 2018, 07:37:09 am »
I have changed from Groovymame to emu4crt (Mednafen fork).
Eveyrthing o.k. there.

Thank you,

Sascha

Calamity

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Re: Tearing in PC-Engine driver
« Reply #9 on: May 22, 2018, 07:51:33 am »
Too hard to get a log I guess.
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