IIRC they were not considered to be the pinnacle of good style, but they were much more acceptable than they are today. Interesting fact: In early 60s there wa

IIRC they were not considered to be the pinnacle of good style, but they were much more acceptable than they are today. Interesting fact: In early 60s there was a serious discussion about whether stack frames (called activation records back then) should be global or not.