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Nucleus Structure

By Dieter W. Storr

Last update: 1 February 2007

The following nucleus structure is based on version 6 and 7 and is not complete:

  • ADARUN
  • ADAMXI
  • ADAMIM
  • ADARVU
  • ADACLX
  • ADARMG
  • ADAMSG
  • ADACSH ADABAS dynamic caching (XA and ESA cache)
  • ADAIOR I/Os, getmain and freemain, OP system communication etc.
  • ADAIOS
  • ADAMOD table of loading modules
  • ADANC0 standard addresses
  • ADANC1 supervisor, thread selection
  • ADANC2 command processor
  • ADANC3 AOS functions
  • ADANC4 AOS functions
  • ADANC5 general subroutines
  • ADANC6 general subroutines
  • ADANC7 format translations
  • ADANC8 compression and decompression
  • ADANC9 ZAP areas
  • ADANCA ADARAI and ADASTAR
  • ADANCB
  • ADANCC
  • ADALOG command log
  • ADAMPM communication with users and utilities
  • ADARAC
  • ADAMGR
  • ADANET for ADASTAR accesses (former ADANET)
  • ADAMGI
  • USER EXIT 2 UEX2 Dual log processing
  • USER EXIT 3 UEX3 User-defined phonetization
  • USER EXIT 4 UEX4 User-generated log data
  • USER EXIT 5 UEX5 Adabas Review hub event handler
  • USER EXIT 8 UEX8 Operator interface
  • USER EXIT 11 UEX11 Command processing (new: V81)
  • USER EXIT 12 UEX12 Multiple log processing

For more information please see the ADABAS Documentation or the Internals Class Documents

For Historians

ADANUC version III from 1974 (before 3.1.4 from 1975):
  • ADAEMO and ADADAK: 150KB and buffers starting from 35KB (mainframe storage 512KB)
  • ADAMPM: front-end with queuing, command selection via a priority algorithm, ISN hold mechanism

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