in sim/state/infrared.ts [23:38]
unmapButtons() {
switch(this.state) {
case InfraredRemoteButton.TopLeft: return 1;
case InfraredRemoteButton.BottomLeft: return 2;
case InfraredRemoteButton.TopRight: return 3;
case InfraredRemoteButton.BottomRight: return 4;
case InfraredRemoteButton.TopLeft | InfraredRemoteButton.TopRight: return 5;
case InfraredRemoteButton.TopLeft | InfraredRemoteButton.BottomRight: return 6;
case InfraredRemoteButton.BottomLeft | InfraredRemoteButton.TopRight: return 7;
case InfraredRemoteButton.BottomLeft | InfraredRemoteButton.BottomRight: return 8;
case InfraredRemoteButton.CenterBeacon: return 9;
case InfraredRemoteButton.BottomLeft | InfraredRemoteButton.TopLeft: return 10;
case InfraredRemoteButton.TopRight | InfraredRemoteButton.BottomRight: return 11;
default: return 0;
}
}