PS1CH0 v 1.1 forevermidi.com
DROP A PS1 DISC IMAGE.chd .pbp .iso .bin .zip - CLICK ? INFO
DROP DISC IMAGE

CORRUPTION

MY PRESETS

VISUAL FX

AMOUNT

AUDIO

INTENSITY
VOLUME
> DROP A PS1 DISC IMAGE TO START

PS1CH0 v 1.1 - INFO

PAD KEYS

  • Pad keys follow the emulator's own Control Settings (gear icon). Rebind them there and PS1CH0 follows at once.
  • Before the emulator reports its bindings, the fallback is arrows, Z X A S, Q W E R, Enter, Shift.

HOTKEYS

  • 4 restore - 5 panel
  • 6 info - 7 undo

HOW IT WORKS

  • Drop a disc (.chd .pbp .iso .bin .zip). Move any slider and it corrupts at once, and keeps going at that value until you change it or press RESET.
  • DEFAULT PRESETS - the first dropdown. Picking one first undoes all corruption from the previous setup, then sets its sliders and zeroes the others.
  • SAVE PRESET - type a name and press it. A .json file with all your sliders is saved to your Downloads folder.
  • LOAD PRESET - pick a saved .json from your Downloads folder and it is applied at once. You can also drag the .json onto the page.
  • UNDO goes back one of your actions. Game and sliders return as they were.
  • RESTORE goes back to the last clean moment before the corruption. Sliders stay.
  • RESET reboots the disc and zeroes all sliders.
  • LOAD opens another disc (the page reloads).
  • REC / SNAP save an MP4 / PNG with FX and audio.

TARGETS (REAL MEMORY WRITES)

  • GFX CLUT TEX FB - VRAM: anywhere, palettes, textures only, screen only.
  • CODE DATA BLK - main RAM: instructions, bytes, block copy/swap/fill.
  • GTE MTX VERT - 3D: camera registers, object matrices, vertex arrays.
  • PRIM OT - GPU polygons and the ordering table.
  • SPR ENV - GPU sprites, and draw-area/texture-page settings.
  • SPU VOX REV - sound RAM, voices, reverb.
  • AUDIO - live sound effects on top.

GUARD

If the screen goes blank or the game freezes, GUARD rolls back to a stable state and softens the risky targets for a while. It never moves your sliders. If the emulator itself crashes, the page reloads the disc and puts the game back at the last clean moment. Press the GUARD button to switch it on or off.

CREDITS

PS1CH0 uses EmulatorJS, libretro (PCSX ReARMed) and FFmpeg (ffmpeg.wasm) to emulate the PS1 in a web environment. PS1CH0 is an independent free tool.