ok, i kind of made a little break through on this. i had been using the retropie-v2.6.0-rpi2.img i think this is where my issues were coming from. i found this out because i was messing with my raspberry pi model b and i was having all kinds of success running just about everything i threw at it. so i popped the card from my b into my 2 and it seemed to run just fine. so i wiped out the image i had on my pi 2 and started from scratch with retropie-v2.6.0-rpi1.img and sure enough i was able to everything without any problems. i don’t know what’s up with the rpi2 image, but something about it seems to be causing a load error on the majority of my roms. i was thinking about downloading it again if i heard from anyone that is running that image on a pi2 without problems, as there may have been an error while downloading possibly. anyway, if your having problems running the pc engine cds on a rpi2 try the rpi1 image.