SentaiBrad said
I would suggest that you watch our tutorials on our YouTube channel. You can get there by clicking the link in my signature or the tutorials button at the top of the forums. I have covered each of these systems and it may answer a lot of questions that you are having.
As for that RA crash, try updating your version of RetroArch to the latest, I honestly don't know why you're getting that crash but it's not good. If anyone else here doesn't know why I would ask at the RA forums, they should certainly know.
Actually before coming to forum today that was suggested by Jason, I had been watching your videos, they helped me a lot for cartridges emulators.
And the bios are fine, I know, cause I use them with Nulldc