Autohotkey would solve that aswel, but it would only work left-right and up-down.
VRS need to put in some fullscreen axis and button mapping plus screen export utility in the ACM. FA18 has 3 MFCDs and one touchscreen, not being able to export them to outside (touchscreen) displays is a mayor letdown. There's also no combat mission generator. No campaign either.
IMO, it would be better if they'd made a standalone combat sim for this plane instead.
{emphasis mine}
I don't think you understand what that would require. They'd have to model a land mass, a flight environment, coms, enemy units, friendly units, weather, weapons, damage, AI, carrier ops, and all the things I'm sure I'm forgetting.
What we really need is a hybrid of the weapons/damage modeling/mission editing of DCS married to the open platform of FSX.
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