What is Pyromaniac?

RISC OS Pyromaniac is an alternative implementation of RISC OS for non-ARM systems. It provides a semi-hosting system within which RISC OS binaries (utility, absolute, and modules) may be loaded and run, within an operating system environment which matches RISC OS Classic very closely.

RISC OS Pyromaniac is:

A presentation about RISC OS Pyromaniac was given to the RISC OS User Group Of London in November 2020, and can be found on YouTube.

More information

Where to find it?

Pyromaniac is not currently distributed.

A demonstration shell server can be found at

It powers the RISC OS build server (previously known as JFPatch-as-a-service).