Four?! Why not more?

[hth]

(06-14-2021 01:43 PM)KeithB Wrote:  There is probably some report somewhere discussing the optimum number of registers. As a practical matter, has anyone ever needed more than 4?

Back in the day I would say once. Today I am not as good at it like I used to be, so I often take help using data registers.

In programs I often could have used more than four, typically when doing nested subroutines.