Yep. Fair point. The folks I worked with were very pragmatic so didn’t get into the internals and just treated the code as the instructions. Many of them came f

Yep. Fair point. The folks I worked with were very pragmatic so didn’t get into the internals and just treated the code as the instructions. Many of them came from an earlier era where the code was a lot more specific and the concept of an R8 is not quite as specific on x86_84 as it was on a VAX because the modern CPU does a lot of tricks under your nose.