So I've come across an issue on my second game now that I'm having a hard time figuring out. On MK4 and Wayne Gretzky's 3D Hockey it appears there are certain keyboard commands that are inherent to those particular games that I haven't been able to change. In MK4 when I hit the button associated with 'W' it scrambles the screen and shows offst 00000 at the bottom of the screen. It's almost as if it's trying to allow me to move the screen position. In WG3DH when the 'L' button is pressed it causes the in-game UI to disappear and cause graphical issues.
So far, these are the only 2 games where those particular buttons have any effect other than the intended controls they are supposed to do. I've gone into the Tab menu and double checked all of the default controls for all machines as well as for those particular machines, but those buttons do not have any other bindings that should be getting enabled upon pressing. In fact, like say, most of the other games I have run do not cause these issues upon those buttons being pressed. It leads me to believe that those particular games have some sort of hidden commands/controls independent of what is available in the Tab menu.
I have done some searching and have tried to find how to access those commands, but to no avail. Does anyone, by chance, know of a way to unbind those types of controls so that the games may be played correctly?