MYCELIUM FM-1
MYCELIUM is a free, open-source alternative firmware for the M-VAVE FM-1, built on Felucca and SLOOP. It brings Forest, Psytrance, Goa and Hitech grooves, original drum assets and icons, and four factory songs to the hardware.

Version 1.0 — test release
Download the installable .fwsc from this repository’s Releases. The package identity is FM-1_900 and the package includes the Felucca update loader. Installation and reboot on the project device are documented; a complete physical listening and controls test remains outstanding. This is a test release. Back up your work before updating.
SHA-256: 9aa2802a0ac07f412e36c079c8034820b7405e3477468d0b3cfc7fd3f93e0da8
Corresponding source and building
The complete supplied source tree is in Mycelium-FM1-1.0-Quellcode.zip. Extract it and read BUILDING.md for the JieLi toolchain, AC79 SDK dependencies, build options and tests. Firmware, update-loader sources, asset generators, licensing and provenance are included. The package passed identity, loader-marker and internal CRC checks; a fresh reproducible build has not been performed here.
Install, recovery and credits
Read the installation instructions before flashing. Recovery may require FM-1-transporter. Firmware updates are at your own risk.
Based on Felucca by Leo Kuroshita / Hügelton Instruments and SLOOP; upstream copyright notices and asset-specific licences remain in the source archive. Firmware code is GPL-3.0-only; see LICENSE and the archive’s LICENSING.md. Independent project; no official affiliation with M-VAVE.
MYCELIUM home · Firmware page · FM-1 Hub
The browser studio uses a different sound engine from the hardware firmware.