Gravis Xterminator

[Krzysztof Setlak]

Hi there!

I have an old Gravis Xterminator in my wardrobe that long laid unused on a forgotten top shelf and I thought it would be awesome to revive it and gift it to someone. As far as I managed to establish, it's a digital joystick and in theory a simple DA15 ---> USB converter (similar to this: https://sites.google.com/site/joystickrehab/belkinadapter), but it did not work. I also tried the Rockfire adapter and when plugged in, system calibration utility shows just something like states of 2 buttons flickering between 1 and 0 and this is it.

Could you guys give me some tips or point me in the right direction to start wokring on this? If I have to tinker with some microcontroller, it's OK, it'll likely take a lot of time for me, but I can attempt this.

Thanks in advance!

Chris

[Jon Duke]

I've found this place when I started hunting for documentation for my Thrustmaster FCD and WCS II.  I had decided to pull them out after seeing this https://www.youtube.com/watch?v=tSJLgCD8jeM from Necroware and decided to build some. 

The video may be helpful as he gets into the differences between analog( DOS )  and digital(Windows) modes. 

I'm still waiting on the parts to come in but in the meantime I've been trying to understand what the arduino code is doing.

[Krzysztof Setlak]

Hi Jon!

Thank you so much for finding this! I'm still in the weeds about this gamepad and frankly I was about to give up on this "project", but your message and this video nudged me a bit in the right direction. I have a spare Arduino nano laying around and i think I will another look at all of this as soon as I have some time to spare. Thank you again!