Thanks felixcloutier.com/x86. I took everything for his web and converted to markdown with another dumb script. Same disclaimer:
This UNOFFICIAL, mechanically-separated, non-verified reference is provided for convenience, but it may be incomplete or broken in various obvious or non-obvious ways. Refer to Intel® 64 and IA-32 Architectures Software Developer’s Manual for anything serious.
Here I hope to sort instructions with tags, and make searching them easier