Posted: 5/1/2018 8:05 PM
Post subject: BizHawk 2.2.2 stuttering when playing Saturn games.
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Nagashi
He/Him
Joined: 5/1/2018
Posts: 2
Hello! I hope all is well. There seems to be an issue with the audio stuttering when only playing Sega Saturn games. I played around with all of the graphic and sound settings but nothing remedies the problem. I've don't have any issues with NES, SNES, Genesis, GBC, GBA, N64, PSX, etc. Just Saturn games. Is anyone else having the same problems?
Posted: 5/1/2018 9:42 PM
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RaijinXBlade
Joined: 1/19/2010
Posts: 146
I imagine it's likely because it's not running at full speed like the other systems you mentioned. The Saturn has a notoriously complicated hardware architecture, so anything trying to emulate it with any sort of prioritisation for accuracy is certainly not going to run well unless you have good PC hardware.
Posted: 5/1/2018 9:49 PM
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natt
Editor, Emulator Coder, Site Developer
Joined: 5/11/2011
Posts: 1108
Location: Murka
RaijinXBlade wrote:
I imagine it's likely because it's not running at full speed like the other systems you mentioned. The Saturn has a notoriously complicated hardware architecture, so anything trying to emulate it with any sort of prioritisation for accuracy is certainly not going to run well unless you have good PC hardware.
Unfortunately, this is the case. In addition to the Saturn being complicated, our Saturn emulation core incurs some additional overhead from the method used to take savestates and some additional overhead from lack of time on my part to maintain it. To see if speed is the issue, try running the core with all throttles off and FPS display on. If it's not making at least 70-80fps unthrottled, it's going to have troubles running at full speed.
Posted: 5/1/2018 11:50 PM
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Nagashi
He/Him
Joined: 5/1/2018
Posts: 2
Well, that explains it. When playing X-Men CotA, I get on average 55 fps unthrottled. Black screen gets 75 fps. Guess I need a better PC.
Posted: 5/2/2018 1:35 AM
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RaijinXBlade
Joined: 1/19/2010
Posts: 146
Nagashi wrote:
Well, that explains it. When playing X-Men CotA, I get on average 55 fps unthrottled. Black screen gets 75 fps. Guess I need a better PC.
Not necessarily. Bizhawk derives its Saturn core from Mednafen, so I gave both a test just now to compare, using Radiant Silvergun. The game gives me around low 40fps to high 50fps in Bizhawk depending on what's going on, and Mednafen runs it fine at 60fps.