Merge controller-test branch

[Ownasaurus]

New features:

• script for controlling console with xbox controller(s). uses N64 as an example
• script for controlling console with midi device. uses n64 and drumset as an example
• the two aforementioned features use the new "controller" mode, which does not buffer inputs
• reset pins can now use push-pull or open-drain as appropriate
• n64 mode is now properly open-drain