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PresidentLeever
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Emulators that remove slowdown

by PresidentLeever Tue Jul 28, 2015 7:32 pm

Are there any good ones out there? I remember playing a multi-system one with a pretty nice front end a few years back, which had an "overclock" option for its MD/GEN emulator, a rather nice feature for some games actually. It strikes me as odd that it's not more of a widespread goal, more so with 8-bit and SNES games, I mean isn't that partly what you use plugins for, for 32-bit emus?

Edit:
Mega Drive/Genesis:
So here's an update on MD/GEN emulation; the Debug version of Regen (Regen Debug 0.972) has an overclocking feature that lets you set the cpu cycles (I've read that you should set it to multiples of 8, but any number seems to work).

Here's a guide I've started that covers some games with slowdown issues. Post in the thread if you want to contribute:
https://docs.google.com/document/d/17bM ... sp=sharing
Last edited by PresidentLeever on Fri Aug 21, 2015 7:26 am, edited 2 times in total.
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racketboy
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Re: Emulators that remove slowdown

by racketboy Wed Jul 29, 2015 10:03 am

Very interested in this topic as well!
While not quite the same, I was quite disappointed that the PS3 port of Jet Grind Radio still had the slowdown. Felt very authentic, but also annoying ;)
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dogman91
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Re: Emulators that remove slowdown

by dogman91 Wed Jul 29, 2015 10:49 am

MAME has an overclock option which is very useful for games like Metal Slug.
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Anapan
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Re: Emulators that remove slowdown

by Anapan Wed Jul 29, 2015 1:06 pm

I don't think I've seen that option, but if MAME does, then MESS may have one as well?
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s8n
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Re: Emulators that remove slowdown

by s8n Mon Aug 03, 2015 3:09 am

there is a patch for Metal Slug 2 to reduce the slowdown , i bought some chips and im going to burn the patched files to it then solder it in my MVS Cart.


you can also re-zip the files and use it in MAME ...............


http://www.neo-geo.com/forums/showthrea ... tion-patch



http://blog.system11.org/?p=1442
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Erik_Twice
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Re: Emulators that remove slowdown

by Erik_Twice Mon Aug 03, 2015 9:18 am

Metal Slug is designed around slowdown, so I would not remove it.

Personally, the only limitation I find interesting to remove is the flicker from sprite limitations in NES games.
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samsonlonghair
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Re: Emulators that remove slowdown

by samsonlonghair Mon Aug 03, 2015 9:32 am

Erik_Twice wrote:Personally, the only limitation I find interesting to remove is the flicker from sprite limitations in NES games.

Now there's an idea!
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Exhuminator
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Re: Emulators that remove slowdown

by Exhuminator Mon Aug 03, 2015 9:38 am

samsonlonghair wrote:
Erik_Twice wrote:Personally, the only limitation I find interesting to remove is the flicker from sprite limitations in NES games.

Now there's an idea!

There are emulators out there that allow for this. It's my favorite emulation advantage.

For example with NES, my favorite emulator FCEUX allows you to remove sprite flicker by ticking the "Allow more than 8 sprites per scanline" box.

http://www.fceux.com/web/help/fceux.html?Video.html

Emulator download:

http://www.fceux.com/web/download.html
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samsonlonghair
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Re: Emulators that remove slowdown

by samsonlonghair Mon Aug 03, 2015 9:42 am

Exhuminator wrote:
samsonlonghair wrote:
Erik_Twice wrote:Personally, the only limitation I find interesting to remove is the flicker from sprite limitations in NES games.

Now there's an idea!

There are emulators out there that allow for this. It's my favorite emulation advantage.

For example with NES, my favorite emulator FCEUX allows you to remove sprite flicker by ticking the "Allow more than 8 sprites per scanline" box.

http://www.fceux.com/web/help/fceux.html?Video.html

Emulator download:

http://www.fceux.com/web/download.html

I've been using fceu for years, and I didn't know about this feature. D'oh!
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Re: Emulators that remove slowdown

by Flake Mon Aug 03, 2015 9:47 am

I don't know that any emulator could really assist in that area unless it was specifically added into it on a per-game basis. For the rom image to work, I think that the emulator has to only make like-amounts of memory and CPU available to the game for it to work correctly.

Do we have any people on the board with development experience with emulators? This is a great topic.
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