MAMEWorld Forums - Programming - Re: Food Fight Rev 3 looking or walking to the right when not touching joystick

That may explain the changing behavior over time. I suspect if I do not remove the Food Fight NVRAM file each and every time I run, then the behavior will start out initially in running-to-the-right-when-joystick-is-let-go mode of behavior, but eventually switch over into the less severe looking-to-the-right-when-joystick-is-let-go mode of behavior (this is actually what I verified happens; see test run below).

So, to prove this is happening, I ran a few experiments as follows:

Game #1: No .nv file: Moved to the left, let go, and the character moved to the right. I moved up/left and then down/left to avoid touching the other characters and then let go, and then the character stopped and looked right but did not move to the right. I then died. Upon the second sequence (same game) I tried moving out to the left and it became sluggish and it seemed as if the left joystick would not even move to the left, and I died again. On the third frame after dieing, I saw the beginnings of the same behavior where I could not move to the left but then kept at it, moving around in a wide circle and then the ability to move left came back again. I went to the next level and was seemingly able to move around without harm, but then forgot that I didn't have a throw button configured on the joystick buttons and promptly died again.
Game #2: Same MAME process: A new game started, same MAME process. I moved up and around and then let go of the joystick. The character looked down this time. I moved around a bit more and died. Upon the second play, I tried moving around in random directions, avoiding the persistent Chefs, and stopped frequently, and this time consistently saw the looking-to-the-right-when-still behavior.
Game #3: Same MAME process: Started new game, same MAME session. Moved to the left and let go, and the character looked to the right. Repeated that same maneuver again, and again the character looked to the right. Had to avoid a Chef, so moved straight up and then let go and this time he looked downward and to the right, but not straight right. And then the Chef caught up to me and I died. On the next screen of this same game, the character started out looking downward and to the right. I moved the joystick and let go, and same thing: looking downward and to the right. and then I died. Upon the next screen, I tried again, and got the same thing, then moved up, then up/left, then left, and then left/down, and then let go of the joystick, and then the character looked right (not down/right this time). I then exited the MAME process entirely.
Game #4: New MAME process, same .nv file as previous games above: This time I tried moving in all sorts of directions, but every single time when I stopped, the character consistently looked to the right.

I think that pretty much proves that the NVRAM file is recording calibration state. Now, could that calibration state that is stored in the NVRAM somehow dictate that the character end up always looking to the right when stopped? I don't think so, but I don't have any hard facts to back up that claim.

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