The following emulators will be accepted for PS1 speedruns:

• Mednafen [Recommended]
• XEBRA
• DuckStation
• RetroArch with Beetle PSX Core (not Beetle PSX HW)

Please specify which emulator was used in your submission comment. For an easier verification process, doing the following before/after the run is highly encouraged:

Mednafen: Toggle 'Help' (F1) to show the version number or show the emulator window.

XEBRA: Show the emulator window.

DuckStation: Show the core settings (Esc -> Settings); they must match the following:

⠀[Console Settings]

• 8MB RAM: Off
• Execution Mode: Interpreter (Slowest)
• Enable Overclocking: Off
• Enable Recompiler ICache: Off
• Read Speedup: None (Double Speed)
• Seek Speedup: None (Normal Speed)
• Readahead Sectors: 8 sectors
• Preload Images to RAM: Off
• Apply Image Patches: Off

⠀[Emulation Settings]

• Emulation Speed: 100%
• Skip Duplicate Frame Display: Off
• Runahead: Disabled

⠀[BIOS Settings]

• Enable Fast Boot: Off

⠀[Graphics Settings]

• Widescreen Hack: Off
• Force NTSC Timings: Off

RetroArch: Show the core settings (F1 -> Options); they must match the following:

• CPU Dynarec: Disabled (Beetle Interpreter)
• Dynarec DMA/CPU Event Cycles: 128
• CD Access Method: Synchronous
• CD Loading Speed: 2x (Native)

⠀[Video]

• Frame Duping (Speedup): Off
• PAL (European) Video Timing Override: Off
• GPU Rasterizer Overclock: 1x (Native)

⠀[Emulation Hacks]

• Widescreen Mode Hack: Off
• CPU Frequency Scaling (Overclock): 100% (Native)
• GTE Overclock: Off
• Skip BIOS: Off

If you have any questions, feel free to join our Discord Server and/or contact a moderator.