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Start + Select now kills a sentinel the launcher owns, and the launcher asks the interface to stop, so a running install still writes its result. A mapper that dies, a chvt the compositor refuses, a terminal app that cannot open and a read-only card each end the run or hand over to the next route instead of a console waiting for a button. muOS starts gptokeyb2 with -X and keeps muxterm off the pad so Y opens the options.
Notes
RetroBIOS runs the RetroBIOS installer (install.py, from
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 your 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 |