With further testing, it seems that they do work in full screen, and when in windowed mode only when the mouse is locked into the DOSBox window. Games which do not have mouse support (Phantasie 3, etc) as well as DOSBox itself when not running any software have to be in full screen to access special keys.
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With further testing, it seems that they do work in full screen, and when in windowed mode only when the mouse is locked into the DOSBox window. Games which do not have mouse support (Phantasie 3, etc) as well as DOSBox itself when not running any software have to be in full screen to access special keys.