Custom OS for the Roland VS-840EX: sampler / looper / synth conversion, port of the SP-808 Rosetta OS (H8S + ESP2). Discord: discord.gg/R3CQkFdRtf
reverse-engineering roland sampler looper custom-firmware h8s firmware-mod rosetta-os vs-840 vs-840ex
-
Updated
Oct 22, 2026 - Python