-ENTRY := $BF00 ; MLI call entry point
-DEVNUM := $BF30 ; Most recent accessed device
-PFIXPTR := $BF9A ; If = 0, no prefix active
+DEVNUM := $BF30 ; Most recent accessed device
+DEVCNT := $BF31 ; Number of on-line devices (minus 1)
+DEVLST := $BF32 ; Up to 14 units may be active
+DATELO := $BF90 ; Bits 15-9 = year, 8-5 = month, 4-0 = day
+TIMELO := $BF92 ; Bits 12-8 = hour, 5-0 = minute
+LEVEL := $BF94 ; File level: used in open, flush, close
+MACHID := $BF98 ; Machine identification
+PFIXPTR := $BF9A ; If = 0, no prefix active