The "emucr psxmame 20090417 7z" file is a legacy snapshot of MAME version 0.130u2. While useful for preservation and historical testing, it is obsolete for general gaming purposes. Users are advised to handle the file with care regarding virus scanning and should look to modern alternatives for playing games.

Added support for third-party audio plugins, including sound.znc for ZiNC games and PeopsDSound.dll for PSX-based arcade systems.

for newly dumped ROM sets that hadn't yet made it into the "stable" MAME releases. Finding the Link Today

Because pSxMAME is a 32-bit legacy application from 2009, you may encounter compatibility issues on modern 64-bit versions of Windows 10 or 11. Most enthusiasts now recommend using MAME 0.250+