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The Firmware Hub · FM-1 · SLOOP Floyd FM

SLOOP Floyd FM for the M-VAVE FM-1

SLOOP Floyd FM2.4

by René Bohne GitHub ↗

synth

SLOOP with a visual four-operator FM engine after Floyd Steinberg's 4-OP idea: an ADSR per operator, seven pages, a live oscilloscope that draws the envelopes as you play.

Text by the hub. Your firmware? Write it yourself, in your repository.

About it

Engines
FM (2–4 op)Analog / VASamplerGranularChip / retroOrganVoice & speech
Its own: ANALOG · DIGITAL · PHASE · LOFI · SAMPLE · FORMANT · TRIO · DRAWBAR · GRAIN · FLOYD
Runs on
FM-1
Release
2.4 · released 6 Oct 2026 · on the hub since 9 Oct 2026596 KB · what's new ↗
Licence
GPL-3.0 · source ↗ · copy on the hub
Flash chip
The first FM-1s onlyOn a newer FM-1 (flash 0xB36014) this version keeps your saves in RAM only, and updates from it may fail: what to do
Identity
FM-1_924what it reports over USB while it runs
Build
Built by its maker, not signed
Popular
↓ 130 installs via the hub · ★ 3 on GitHub

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