Project_Bloodmoon_1.0.3

First public build of BLOODMOON, a dark organ with a haunted bell, for the original Teenage Engineering OP-1 (firmware R246; not the OP-1 Field). By Nola Drift.
Download

bloodmoon.op1p (17,162 bytes), listed under Assets below. Add it under "Your plugins" in the Hundekraft OP-1 Workshop. Install steps are in the README.

SHA-256: 45c2a18f673290e4ded3c2290e8b5c0a71ce69255dfa8d6dec61748185d1a2be
The knobs

Blue / BLOOD: harmonic richness
Green / ECLIPSE: bell strike amount and how long it rings
White / HAUNTING: vibrato depth and pitch instability
Orange / MOONRISE: vibrato speed

The screen is a black cathedral under a blood-red moon. Each knob moves the part of the picture drawn in its colour.
Status: early release

Checked on a computer and in a Blackfin processor simulator, and it passes the plugin loader's and the Workshop's file checks. Not yet confirmed on a real OP-1. Please tell us what you hear and see, and any message the Workshop shows.
If something goes wrong

If the OP-1 hangs at start-up, switch it off and on again; the Workshop's firmware skips plugin files after a failed boot. If it still misbehaves, hold COM while switching on and install a Workshop build without BLOODMOON. Your tapes and presets stay.
Source and licence

GPL-3.0-or-later with the OP-1 firmware permission. The full source is bloodmoon-build-kit.zip, included in the "Source code" download for this release. Built with the op1r plugin SDK by pcppcp and contributors.