glasgow run audio-yamaha-opx -d OPL2 --keep-voltage web localhost:8080
I: g.device.hardware: generating bitstream ID e4f66c3ba16225d6fda5443cc7dd5283
I: g.cli: running handler for applet 'audio-yamaha-opx'
I: g.applet.audio.yamaha_opx: port voltage unchanged
E: g.cli: cannot set I/O port(s) AB pull resistors to low={} high={}