There's a little more to it than that. You need a Consult cable (blazt.biz) to datalog, and the Consult datastream is VERY sensitive to RF noise so you HAVE to run Iridium plugs. You can log with Nissan Datascan aka NDS, costs around $35 or so and 1.53+ supports wideband logging - all of which has to be serial. NisTune supports a cool $30 widget from DLP called the IO-8, it takes up to 8 channels of analog signals and turns it into a serial (USB) datastream... NDS might, I do not know. As far as editing the ROM, I know the freeware Tunerpro .xdf for S13 KA24DE makes what NisTune has look retarded, and wouldn't be surprised if the S13 SR20 situation isn't similar.
I ASSume you are dealing with an S13? And what are you wanting to do with it? Two weeks ago those Moates boards were called v1.1 - I have the v1.0 boards, same shit missing one trace so they have a jumper wire on them but work great. $30 shipped puts one in your home.
Read over the NisTune tuning documents. NisAnd because I'm an intellectual being, are horribly simple to the point of being crude... if tuning is difficult then there's something wrong with the system. (Usually grounds, or MAF)
FYI, stock block SR20DET record in close to 500. Stock block KA24DE record is over 600, I've made over 400 wtq on the stock KA rod and they love it. SR's are one of the most overrated motors ever ever ever, I really advise selling the stupid fucking thing and getting a newer junkyard KA for $0.59, buying your tuning gear with the proceeds, as well as some cocaine and a hooker. Spend the remaining money on your kid's college.