xchg rax,rax

Some of this code unpacks to some really elegant logic, buy this and try to duplicate.

Simply fantastic. Every page is fun and enjoyable. I love having my printed copy of it on my desk in the office to read from time to time and to show to the colleagues, attracting (or pushing some of them away!) them to the poetry of assembly code.

I got this on Christmas as possibly the most ill thought gift I’ve ever received. Pure trash. It went from under the tree to into the bin in under a minute. Obvs I thanks the giver graciously for their gift but if you bought this with your own hard earned money then be prepared for a large amount of buyer remorse. you’ve been warned!