The program he developed is an improved version of PSX2 for PS4, adapted to work with the next generation of Sony consoles.
The new version of the emulator has significantly improved support for PS1 games protected by the libcrypt system. Additionally, the app includes a merge_bin script that allows you to merge multiple bin files for use with PSX2 PS5.
PS1 game images are presented in the PKG format, which was previously available on PS4. Some games require a key to create a PKG file, which can be obtained from a special website accessible from the program.
The emulator also allows the user to customize the gaming experience, including graphics settings and refresh rate.
But to run the utility, you need a jailbroken version of the PS5 with firmware no higher than 4.51.
Source: Ferra

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