Matthew Garrett has modified a classic Commodore Amiga to exclusively run id Software's Doom using a 'parasitic Linux' operating system. This transformation features a PiStorm adapter, which connects a Raspberry Pi to a Motorola 68000 bus, enabling enhanced functionality. Designed by Claude Schwarz, the PiStorm allows for faster software running on the Raspberry Pi while accessing Amiga hardware. While traditionally used for performance boosts and additional memory, Garrett intentionally focused on running Doom, which has a storied history of popularity in unconventional setups.
There's a lovely device called a PiStorm, an adapter board that glues a Raspberry Pi GPIO [General-Purpose Input/Output] bus to a Motorola 68000 bus. The intended use case is that you plug it into a 68000 device and then run an emulator that reads instructions from hardware (ROM or RAM) and emulates them.
We can run whatever we want on the Pi and then access Amiga hardware. And, obviously, the thing we want to run is Doom, because that's what everyone runs in fucked-up hardware situations.
Inserted into the motherboard of a Commodore Amiga, the PiStorm allows software running on the Raspberry Pi to pretend it's a Motorola processor.
Traditionally, that functionality is used to provide a big boost in speed to the creaky old host machine as well as adding extra memory and missing peripherals.
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