CDL11= 1720 /LEVEL-1 INTERRUPT FOR CARD READER CDL21= 1704 /LEVEL-2 HANDLER FOR CARD READER CJOBDA= 0020 /CURRENT JOB DATA POINTER DTJOB= 0027 /JOB HOLDING DECTAPE CONTROLLER DTL11= 0601 /LEVEL-1 INTERRUPT FOR DECTAPE DTL21= 1004 /DECTAPE LEVEL-2 COMPLETION F1BUF= 0177 /DDB EMPTY BLOCK F1DTST= 2512 /DECTAPE STOP ROUTINE F1ECNT= 0176 /DDB EMPTY COUNT F1OFFJ= 0036 /SYSTEM OFF/ON COMMAND FLAG F1TCNT= 0175 /DDB CHARACTER COUNT RKJOB= 0045 /JOB HOLDING RK05 CONTROLLER RKL11= 2000 /LEVEL-1 INTERRUPT FOR RK05 RKL21= 1615 /LEVEL-2 HANDLER FOR RK05 TIMER0= 2200 /FIELD 1 TIMER ROUTINE UPEEK1= 2445 /FIELD 1 PEEK IOT CODE UPTIM1= 0174 /SYSTEM UPTIME UPTIM2= 0173 UUCDR= 1735 /UUO ENTRY FOR CARD READER UUDTRK= 1415 /UUO ENTRY FOR DECTAPE & RK05 WINBAS= 7730 /BASIC RETRIEVAL WINDOW