yeah it was trial and error on my approach, (i went over that pdf so many times!) And its fine, though i can see some put off by it, (and so many times the emulator has crashed!) But its slow but moving forward all the time!
And the demand i think is there, i'd love to see many systems get the same treatment (hmm neogeo? genesis.....list goes on! ) and yep to my count since you started this topic you've had 68,023 views! And for a nes pack i did nearly 2 years ago thats had 26,951 views