Roland GP-16 mod: custom OS with 60 pedal + 12 amp voicings, real knob names and live 0-10 knobs, rack-as-one-pedal / pedal+amp rig / 12-slot pedalboard, cab sims, A/B/Y box, boot dragon. Drop-in flash chip, no wires. Bake it into your own ROM dump. No Roland code included.
firmware reverse-engineering roland guitar-processor rosetta custom-firmware guitar-pedal rom-hack guitar-effects firmware-mod gp-16 nec-v25 rosetta-os roland-gp16
-
Updated
Nov 6, 2026 - Python