DirectInput/XInput/Scan Codes

[ProbablePrime]

Certain games and apps don't listen to our key events from anything other than kbm-robot due to its use of awt.robot that seems to work for everything. I don't like using it because it adds a java process that we need to take care of and a java dependency.

most of our handlers use virtual key codes or incorrect key flags. Whereas scan codes are on a lower level that games and apps might be able to pick up

There's some code on the following stack overflow which might help us to fix this that demonstates use of scan codes.
http://stackoverflow.com/questions/35155075/directx-keyinput-sending-to-a-non-active-window-alternatives

[ProbablePrime]

https://github.com/AndersMalmgren/FreePIE/blob/master/FreePIE.Core.Plugins/KeyboardPlugin.cs

Uses scan codes

[ProbablePrime]

https://msdn.microsoft.com/en-us/library/windows/desktop/ms646271(v=vs.85).aspx

Describes KEYBDINPUT spec.

[ProbablePrime]

ProbablePrime/robot@2f92bb8

Updates robot-js to use scan codes. Issue opened for discussion Robot/robot#22

https://i.probableprime.co.uk/u/r/LBmK.mp4 uses new code and sega genesis classics pick them up.