It may happen that at the testing stage, you can see a pop-up window that shows “NO BIOS found”.
#Scph 5501 bios file download
So after you download the PSX emulator, check whether it includes BIOS. Both are inseparable items that can’t run without each other, like a key and a lock. Running games is perfectly fine.įor EU games I found this bios matched the sha1sumį6bc2d1f5eb6593de7d089c425ac681d6fffd3f0 SCPH5552.As we have already mentioned, you will hardly find an emulator that will be perfectly running without a BIOS file. I too got everything working by just renaming the SCPH7003.BIN bios since its sha sum was an exact match for the North America version. The BIOS still gives me the green message, but I can actually hear the PSX's boot sound and then it properly launches the game.ĭescription "SCPH-5502/SCPH-5552 (Version 3.0 01/06/97 E)" I'll look for a different one, thanks for the help.Įdit: unless you dumped those files yourself? I can't dump them, so I have to look for them otherwise and all the versions I find have the sha1sum of f8de9325fc36fcfa4b29124d291c9251094f2e54.Įdit 2: managed to get it working with an SCPH7003 BIOS. Okay, so it seems I might have an scph5502 that's probably not actually an scph5502, and it's just not working, or not compatible. It makes no difference I just get that big green message which I think might be from the BIOS.Ĭan you verify if my SHA1sums are correct by comparing with your own BIOS files? This means I also already tried region_autodetect 0 + region_default eu. Set psx.region_autodetect to 0 and select your favorite region.įor me the option psx.region_autodetect to 1 has always worked.Ĭhanging the region default to eu and/or disabling the region autodetect has no effect whatsoever. (NTSC-based games do work.) This message shows up: Here's something interesting: the SHA1hash may be the same, but I can't get scph5002.bin to work for any of my PAL games.
#Scph 5501 bios file code
The only real use of a semi-dead open source emulator is the incorporation into Mednafen code IMO, if someone can't write an emulator from scratch, he won't be able to SIGNIFICANTLY improve an abandoned emulator I wonder when someone will pick up Yabause Indeed, it is very unfortunate that all the work done in pSX has been essentially lost. If it's open source someone else usually picks it up. People always lose interest and stop development for years at a time, sometimes forever.
You'll notice the only ones still alive are open source. This happens to every closed source emulator. PSX was promising, but unfortunately the author was too stuck up to ever release the source, which means that it's a waste that it's no longer being developed. I see a good future for this emulation core. pSX was promising, but unfortunately the author was too stuck up to ever release the source, which means that it's a waste that it's no longer being developed. I seemed to be missing scph5501.bin so it's good to know they're probably identical.Īnd not actually related to the topic at hand, but I'll have to +1 on the effort of getting a plugin-less Playstation emulator. And even in its alpha state, it's still quite competent for playing actual games. The fact that Mednafen is, AFAIK, the only no-plugin PSX emulator with native 64-bit support, and being open source as well, tops it all off. I've never liked all the plugin nonsense with the alternatives. It might make sense to add it as a JP BIOS ROM option, as that's its usage in the SCPH-7003.Īs an aside, I'd like to commend you on your efforts to create a more accurate PSX emulator, much like the seemingly dead pSX. For now, it's very simple to rename the SCPH-7003 ROM to scph5501.bin maybe you could make a note to do this in the documentation, if having multiple ROMs available for each regional system proves to be a difficult implementation problem. So, if possible, adding that as a file name option (scph7003.bin) might help usability a bit. I think the NA BIOS ROM for SCPH-7003 is exactly the same as SCPH-5501's (check the BIOS version of the two models, they match), as the dump I have has the same SHA1 hash as that of SCPH-5501.
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