There was also a great talk at Defcon 21 (last year) walking through a similar process all the way to using a picture of the ROM and image recognition to pull b

There was also a great talk at Defcon 21 (last year) walking through a similar process all the way to using a picture of the ROM and image recognition to pull binary data. The first half is about building the lab to do this kind of work so you can skip the first 1/3 - 1/2 if you don't care about that part. https://www.youtube.com/watch?v=0Z4aF-qiziM https://www.youtube.com/watch?v=0Z4aF-qiziM