Default [Q] ePSXe Analog Mode

My wife surprised me with a Shield this past weekend for my birthday. What an awesome little emulation powerhouse this thing is. I've been having a blast with it so far.

I've been able to get an emulator setup and configured to my liking for pretty much every system I was interested in except the PSX. ePSXe is by far my favorite PSX emulator at this point. It seems much more stable, the audio sounds better, and just seems much less finicky in general. The only drawback I've been able to find with it is that I just absolutely cannot get the analog sticks to work in any game.

Has anyone had any luck getting analog controls to work with the Shield's built-in gamepad in ePSXe? I've literally spent the last hour trying every variation of settings and mappings I can think of but with no luck. I found another thread here that made a passing mention of not being able to get the analog sticks working in ePSXe (this thread), but unfortunately there doesn't seem to be much else out there. According to the ePSXe site, analog should work just fine with the Shield.

Any thoughts or suggestions?