Page of SY20-0884-3 As Updated Aug. 1, 1979 by TNL SN25-0497 NUCON r----------------- -------------------------------, 700 I I 7081 I 710, CONCCWS CONINBLK 7181 , 7AOI 1 8481 CONINBUF CKNDLINE
CMNDLIST
1--------------------------------------------·------- A601 CONSTACK 1--------------------------------------------------- BAOI FREESAVE 1----------------- BEO, BALRSAVE C20 WAITSAVE ---------------------------------------------·------1 C60 PCTVSAM I1111111111111111111111111111111111111111111 ----------------------------------------------------1
C68 ADIKQLAB NDIKQLAB 1 ---------------------------------------------------1 C70 ARURTBL ADMSVIB 1 ----------------·------------------1
C78 AVIPWORK A*18 1111111111111111111111 1 , C801 AVSAMSYS AAMSSYS I I , C881 AVSREOJ AVSRWORK 1 1 I C90, ACBLIST 11111111111111111111111111111 I I C981 AABWSECT ADKSZIT I 210 IBM VM/370 Data Areas and Control Block Logic

Hexadecimal Field
Displacement Name
o
8 10 o
8 10 14
18 20 28 30 38 40 48
4C 50 54
58 60 68 70 78 80 80 90 94
96
98
9C AO CO 160 180 1CO 200 220 260 268
26A
26C 270 274 280 280 288 290 294
298
29C 2AO 2A8 2BO 2B8 Usaae IPLPSW DS IPLCCW1 DS IPLCCW2 DS ORG RSTNPSW DS RSTOPSW DS ACMSCVT DS ASYSREF DS EXTOPSW DS SVCOPSW DS PGMOPSW DS MCKOPSW DS IOOPSW DS CSW DS CAW DS NUCRSV1 DS TIMER DS NUCRSV2 DS EXTNPSW DS SVCNPSW DS PGMNPSW DS MCKNPSW DS IONPSW DS CPULOG DS ORG NUCRSV3 DS NUCRSV4 DS MONCLASS DS PERCODE DS PERADDR DS MONCODE DS NUCRSV5 DS LOWSAVE DS FPRLOG DS GPRLOG DS ECRLOG DS SYSTEMID DS INSTA1ID DS SYSNAME DS IPLADDR DS SYSADDR DS DEVICE DS NUCRSV6 DS FEIBM DC
DIAGTIME DS ORG CURRDATE DS CURRTIME DS CURRVIRT DS CURRCPUT DS LASTVIRT DS LASTCPUT DS LASTCMND DC PREVCMND DC LASTEXEC DC PREVEXEC DC
Page of SY20-0884-3 As Updated Aug. 1, 1979 by TNL SN25-0497 NUCON 1D
1D
1D IPLPSW 1D
1D
1F
1F
1D
1D
1D
1D
1D
1D
1F
1F
1F
1F
1D
1D 1D 1D
1D
48D CPULOG 2D
1F
1H
1H
1F
1F
4D XL160 4D
16F
16F
CL32
CL64
CL8
1H
1H
1F
1F
CL 12' 5749D MSOO CL24
DIAGTIME
e18 C1S 1F
1F
1F
1F
C18' , eL8' , CL8' , CL8' , Field Description, Contents, Meaning
Initial program load of PSi Initial program load of CCi1 Initial program load of CCi2 PSW restart new PSW PSi restart old PSW Address of simulated OS CVT Address of nucleus address table
External old PSW Supervisor call old PSi Program old PSi Machine-check old PSW Input/output old PSW Channel status word
Channel address word
Reserved for IBM use
Interval timer
Reserved for IBM use
External new PSW Supervisor call new PSW Program new PSi Machine-check new PSW Input/output new PSW Processor logout area
Reserved for IBM use
Reserved for IBM use
Monitor call class number
Program event recorder code
Program event recorder address MONITOR CALL code
Reserved for IBM use Save area for first 160 bytes of storage
Floating-point register logout area
General-purpose register logout area
Extended control register logout area System name and date
Installation identification
Name of saved system loaded (via IPL)
Address of device loaded (via IPL)
Address of system disk
Name of device causing last I/O interrupt
Reserved for IBM use
Component identification --referenced
by IPCS extension program product
Buffer for DIAGNOSE timer
Current date -mm/dd/yy
Current time - hh.mm.ss
Current elapsed virtual time used
Current elapsed processor time used
Previous elapsed virtual time used
Previous elapsed processor time used
Last command issued
Next to last command
Last EXEC procedure
Next to last EXEC procedure Section 2. CMS Data Areas and Control Blocks 211