Random slowdowns on PS Games with Retropie 3 B
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@bobharris According to the Libretro docs, yes, that is wrong information.
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@stoo I don't think so. I deleted my scph1001 bios and now when I start a ps1 game it suddenly says No playstation bios file found - add for better compatibility.
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@bobharris Guess it can use both then. I still put more faith in the LR docs than the RP ones :P
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OK, that's just weird as hell. I just removed the 550x files and replaced then with the 1001 file to test and now it performs the same: fine. Even emulated BIOS seems to work fine!
I'm confused.
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@stoo I have 72 ps1 games and they all work great when using SCPH1001.BIN , but yes I'm sure other bios files can work great too.
I am curious if it changes anything for Tiagop.Pi 3B , 64 GB Sandisk ultra flashdrive, 19 systems, 872 hand picked classic gaming gems :-) Dual shock 4v2
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@stoo Why do you call 1001 emulated? isnt it just the first bios made for the ps1?
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@bobharris That makes two of us now. I really thought I'd solved it.
It's not emulated. I thought because of the performance difference I saw and because the LR docs say to use the 500x bios specifically that meant it wouldn't recognise other BIOS files.
It does, I checked runcommand.log. If it sees 550x BIOS it will use that, if it sees 100x BIOS it will use that. It only falls back to emulated if it sees no BIOS file at all.
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@stoo I always wondered about that. I've thought about putting every ps1 bios file in the bios folder, hoping pcsxrearmed would choose the optimal file for every game, but I have no idea what pcsxrearmed chooses when confronted with multiple bios files.
Getting a bit off topic though..Pi 3B , 64 GB Sandisk ultra flashdrive, 19 systems, 872 hand picked classic gaming gems :-) Dual shock 4v2
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So I deleted SCPH1001.BIN and used scph5500.bin, scph5501.bin and scph5502.bin. I notice that it's now a bit better, the framedrops are more smooth and the game is more smooth overall. Maybe I had a bad BIOS file? Thanks for the help from all of you!
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@tiagop Could be, I'm glad it worked out for you!
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@bobharris Well with both 1001 and 5501 in there it chose to use 5501. How it decides I have no idea.
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@stoo I guess maybe it chooses the latest version of the specific region then. Thanks for checking!
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