; Get a hard copy on Amazon for $10.

[0x32]
dec [xchg rax,rax] inc
mov      rcx,rax

mov      rdx,rax
shr      rdx,1
xor      rax,rdx

popcnt   rax,rax
xor      rax,rcx
and      rax,1
; xorpd(&)xorpd.net