Signed and unsigned don't quite capture the essence of what the different combinations of x86 flags are doing for SubX. The crucial distinction is that one set of comparison operators is for integers and the second is for addresses.
Thanks Mateusz Czapliński for the feedback: https://lobste.rs/s/xtxlec/mu_minimal_hobbyist_computing_stack#c_1mzq94
Kartik Agaram