AMCS - the Advanced Music Construction System

Missing Features
  • MIDI pass-through is currently unavailable
  • Simultaneous multiple keyboard note entry is currently unavailable
  • Not all sequencer functions are available
  • USB HID devices with unusual configurations are unsupported
  • Audio recording on the Acorn Archimedes architectures is unsupported
Known Issues
  • Audio recording is appended to the selected Waveform Instrument due to processing constraints
  • Highspeed USB support is currently unavailable
  • Effect rate may be inconsistent due to processing priority
  • Internal audio may have latency due to processing priority
  • Polyphony loading of internal audio handling will effect other lower priority processes
  • LED feedback on the controller is not working on the WM8650 (hardware issue, looking for workaround)
  • WM8850 HID keyboard/touchpad controller is flakey (hardware issue, looking for workaround)
  • Internal audio compression is slow on the A3000 (hardware issue, looking for workaround)
If the system is displaying an error message or in exceptional circumstances a border colour and it is unrelated to any of the known issues, please report it via e-mail to

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