Here's a fairly up to date reference from Intel in CHM format, it covers everything up to SSE4:
Instruct32.zip (626KB) (http://www.southcalgaryspeedway.ca/files/Instruct32.zip)
thanks to drizz (http://www.masm32.com/board/index.php?topic=13567.0) for pointing it out, I lost it when my laptop got stolen and had to edit and recompile it, a bit of a pain, but I thought at the same time I would post it so others could use it as well.
Hi,
Thank you. Looks good.
Regards,
Steve N.