Files
libretro/ports/RetroBIOS/README.md
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Abdessamad Derraz 6c14468862 feat: say the installer and setup pages plainly
- The installer speaks without "you": the first screen asks "Where
  to install?", rows read "Copy the BIOS files from an old card or a
  folder", a close match reads "Close matches: ...". The handheld
  launchers and their port text follow, and the pronoun guard no
  longer lists any installer message.
- A setup that runs as an app opens on its one-line command, the
  folder table after it; a setup that runs on its own device keeps
  the network folder first, which its ZIP route needs.
- The home steps say what to do: "Its page gives one line to copy",
  "Paste it, press Enter".
2026-11-09 16:33:56 +01:00

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## Notes
RetroBIOS runs the RetroBIOS installer (`install.py`, from
[github.com/Abdess/retrobios](https://github.com/Abdess/retrobios)) on the
device, in its full-screen interface. The installer finds the BIOS folder of
the system, checks every file its emulators read against its hash, and
installs the missing ones.
With a network connection the files are downloaded. Without one, copy the
BIOS pack of the system (a `_BIOS_Pack.zip` file from the releases page)
into `ports/retrobios` on the card, and RetroBIOS installs from it.
Python 3.8 or newer: the system's, or PortMaster's `python_3.11` runtime on
aarch64, downloaded on first use.
Under a desktop session with neither foot nor xterm, RetroBIOS opens
PortMaster's own screens instead of the full-screen interface.
## Controls
| Button | Action |
|--|--|
| D-Pad | Move |
| A or Start | Choose |
| B or Select | Back |
| X | Tick or untick a system |
| Y | Options |
| L1 / R1 | Page up / down |
| Start + Select | Quit |