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sqrl-1

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SQRL-1 Firmware for the M-VAVE FM-1

sqrl-1 is custom firmware for the M-VAVE FM-1, by @hed0rah. Open source under GPL-3.0, latest release v1.1.0 (November 2026).

forM-VAVE FM-1·by@hed0rah

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Download v1.1.0

sqrl-1-1.1.0.fwsc· 596 KB· +5 files

GPL-3.0· hed0rah/sqrl-1·downloads come from the creator’s GitHub releases

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7 commits and 2 releases in the last year
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2 releases
  1. v1.1.0SQRL-1 1.1.0Latest6 files

    SQRL-1 1.1.0 moves onto Felucca 1.8.0. New: TOUCH, a SOUND page after GLIDE (EDIT), routes the keys' pressure or MIDI channel pressure with AT, DEST and AMT; SYSTEM 3 (GLO) has 2CORE, OFF or BETA, Felucca's second core, from the next power-on. From Felucca: FM6 operators with AMS follow the LFO, external MIDI clock no longer drifts, TRS MIDI clock holds under heavy CC input, no divide by zero at BPM 0, and the update loader refuses a package made for another device.

    SQRL-1 is firmware for the M-VAVE FM-1, built on Felucca 1.8.0. Every pair is a SOUND and a NOTE engine, picked on the wheel (hold HOME). What it adds over Felucca is in the changelog.

    Install from databurn.org/sqrl/install in Chrome or Edge over USB; the page installs the package below. Back up first if you have music on the FM-1; the README says how to go back to official V15. Installing is at your own risk.

    Files

    • sqrl-1-1.1.0.fwsc: the package to install (build 4f42878, sha256 0c188496...)
    • sqrl-1-1.1.0-app.bin: the bare application image, for tools that want it
    • sqrl-1-1.1.0.zip: both, with the licences, ATTRIBUTION.txt and LICENSING.md
    • sqrl-1-deep-dive.pdf, sqrl-1-cheatsheet.pdf: printable reference sheets, at 1.1.0
    • SHA256SUMS

    The manual is docs/; start with Getting started. TALK is not in this release.

  2. v1.0.0SQRL-1 1.0.06 files

    The first release of SQRL-1, firmware for the M-VAVE FM-1, built on Felucca 1.5.6. Every pair is a SOUND and a NOTE engine, picked on the wheel (hold HOME). What it adds over Felucca is in the changelog.

    Install from databurn.org/sqrl/install in Chrome or Edge over USB; the page installs the package below. Back up first if you have music on the FM-1; the README says how to go back to official V15. Installing is at your own risk.

    Files

    • sqrl-1-1.0.0.fwsc: the package to install (build b2ab727, sha256 9a8325db...)
    • sqrl-1-1.0.0-app.bin: the bare application image, for tools that want it
    • sqrl-1-1.0.0.zip: both, with the licences, ATTRIBUTION.txt and LICENSING.md
    • sqrl-1-deep-dive.pdf, sqrl-1-cheatsheet.pdf: printable reference sheets
    • SHA256SUMS

    The manual is docs/; start with Getting started. TALK is not in this release.