http://www.geocities.co.jp/SiliconValley-Bay/7981/
I came across this in my travels. It's in Japanese. I'm pretty sure there's nothing new here (maybe with the exception of the ram map), but figured it was worth a mention as I know there are a bunch of people around here still fiddling with SMB1.
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. Doppleganger's disassembly and ram map are pretty much 100% complete anyways (as far as i know IS 100% complete) and it's in english 