Figure 1: Converting legacy code to named indicators

D PtrIndicators   S               *   Inz(%Addr(*In))
D Indicators      DS                  Based(PtrIndicators)
D   Exit                  3      3N
D   Cancel               12     12N
D   Overflow             90     90N
D   Sfldspctl            91     91N
D   Sfldsp               92     92N
D   Sflend               93     93N
D   Sflclr               94     94N