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The Firmware Hub · FM-1 · CS-1

CS-1 for the M-VAVE FM-1

CS-12026.10.22

by twochannels GitHub ↗

synthvintage

A Yamaha CS-80 in spirit: eight voices of two channels, high- and low-pass filters in series, ring modulator, the touch response and 22 tones from the owner's manual. A sound module played over MIDI.

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

About it

Engines
Analog / VA
Its own: CS-80-style voice (2 channels of VCO, HPF+LPF, ring mod)
Runs on
FM-1 · Browser ↗
Release
2026.10.22 · released 22 Oct 2026 · on the hub since 15 Oct 2026596 KB · what's new ↗
Licence
GPL-3.0 · source ↗
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_950what it reports over USB while it runs
Build
Built by its maker, not signed
Popular
↓ 438 installs via the hub · ★ 9 on GitHub

Family

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