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Discussion Starter #1
So, I've been playing this game for around eighteen years now - first on my PS1, and then via emulators. I even have a full crash-free playthrough of it on my youtube channel, but that's beside the point - take it or leave it.
My point it that this game turned me into an auto-sim casual, and ultimately led me to buy my first gaming wheel about a year ago (Logitech G27 if anybody is wondering). And so a couple of recent days I've been messing around trying to solve the mystery.
The topic was probably discussed here many times already, but unfortunately I wasn't able to find anything relevant with my keywords, so here we go again.
What I was able to dig up so far is that you actually can use the analog controls in GT2, but via some PS1 analog controller plugins. And that everyone trying it has to face the same problems, that make the game unplayable with a wheel.
First there is the "nothing in the center and then suddenly all the turning in the world". And then, because the analog controller has forward and backward motion, your acceleration and brake paddles only react after they are half depressed (half of it looks like negative values to the emu).
So I've been thinking maybe there is some solution that I wasn't able to find, or maybe it's high time for some ps1 emu wizard to take the responsibility and create a proper controller plugin.
I was actually able to find a couple short discussions on the topic back from 2003-2004 with this plugin mentioned, but I wasn't able to run it with my setup. I'm still using ePSXe 1.9.0 and as far as I can tell it uses it's own controller plugins. So I can't find any specific controller setup menus after throwing the plugin into the "plugins" folder. Let me know if anything I've just mentioned could be the problem.
Thanks for reading all of this - I hope together we will finally be able to solve this mystery once and for all.
 

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Discussion Starter #2
A little follow-up.

After updating ePSXe to 2.0.5 with third party controller plugins support I finally was able to launch aforementioned padGnneco plugin.
After doing so the hardest part was setting the plugin controls up. It took some finagling.
What did the trick for me is depressing a pedal / turning the wheel and clicking the button to set up only afterwards.



Once you're done with the axles, remember to bind some directional buttons for game menu browsing, camera change, looking back, upshifting, downshifting, start, rear gear, handbrake... You will use acceleration pedal for pushing buttons in the game menus and brake pedal for leaving them.
Don't worry so much about the buttons right now - you will be able to re-bind them in game, and you can live without rear gear/handbrake in GT2 just fine to be honest.
Anyway, if you need more buttons, just tick "Digital" near "Twist" to make more of them available. Binding keys for those may be tricky - just keep trying until a new key finally appears in the pop-up menu and then click it to approve.

After the base mapping is finally laid down you can actually start the game, navigate it, tweak the controls in the settings menu, start a race and try how it feels.
From my experience there still is the deadzone in the center and outside of it turning is still a bit too sharp, but that's already much better than the original ePSXe Negcon plugin - at the very least with this one you have full range of your pedals instead of 1/2 deadzone.
And guess what? With this plugin you can actually tweak the steering wheel deadzone!
In the same directory as your ePSXe executable there are two pgnneco.ini files. Open the first one and find

[nejiri R]
device=2
key=0
analog=127
max=65535
min=26000
[nejiri L]

device=2
key=0
analog=128
max=0
min=39535

nejiri R is your wheel range from "zero" to "full right"
nejiri L - from "zero" to "full left"
By reducing min parameter in first and increasing min parameter in second you effectively decrease steering deadzone. I'd strongly suggest always changing both parameters to the same value.

Well, that's basically it.
All the credits go to the padGnneco plugin author, guys from this thread for figuring out the deadzone trick and of course to the ePSXe authors and contributors.
I hope somebody will find it useful.

 

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Wanted to say, thanks for posting this. Mid 2020 now and was able to use this to get my T300rs wheel and pedals working on GT1 and 2! Only thing that'd make me happier now would be improved driving skills :)
 

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Discussion Starter #4
Glad to be of help.
Work on in and you'll get there, but also don't forget to have some fun ;D
 
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