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Author Topic: Tearing in PC-Engine driver  (Read 351 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.
Please don't PM me with support questions. Ask in public so everyone can learn!

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 or 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 or pasting it.

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

  
 

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