schwung-303 — TB-303 emulator for Schwung

Copyright (C) 2026 Charles Vestal and contributors.
Copyright (C) midilab / jc303 contributors (Devilfish extensions to Open303).
Copyright (C) Dave Mollen (davemollen/dm-Rat — RAT drive model port).

This program is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation, version 3 of the License.

This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.

The Open303 engine core (src/dsp/open303/) is separately licensed under
the MIT license by Robin Schmidt; see src/dsp/open303/LICENSE for its text
(shipped in the module tarball as licenses/OPEN303_LICENSE.txt).
When distributing this work as a whole under GPL-3.0, the MIT-licensed
Open303 components are compatible with and included under the combined
GPL-3.0 terms, per the MIT license's permissive grant.

The full text of the GNU General Public License, version 3, is in LICENSE.
See README.md for full third-party attribution.
