Yes. Sometimes you’re limited by the hardware you’re controlling. This code is a bit hard to justify with that excuse though. Normally your code would do a read from hardware to see if the value decremented and then repeat the write. (Possibly a sleep/yield in there if required.)

Are we asking questions that we already know the answer to? ;)

alt.syntax.tactical

The existential dread from the past is the same existential dread of today. We also do not know how things might turn out.