A source code mirror of PC-9800 Series Emulator Neko Project 21/W. pc98 UpdatedMay 19, 2024 C Overview, crowdfunding page, and research blog forhttps://github.com/nmlgc/ReC98 touhoupc98pc-98seihou UpdatedJan 27, 2025 HTML Renumber BASIC program lines ...
MDFN_Error is typically from a Mednafen/Beetle emulator, probably Saturn or PSX. Unless the m3u code kept a mednafen logging style? I never used m3u so can’t tell you anything, perhaps open a detailed issue report in RetroArch repository?