Page of GC20-1807-7 As Updated April 1, 1981 by TNL GN25-0829 issue SVC 76 from a second level virtual
machine 197
load discontiguous sa ved segment
138-139 LOADSYS fu nction 138-139,201-202 MSS communication 205-206 MSS mount and demount processing 173
page release function 186
pseudo timer 186 purge discontiguous saved segment
138-139 PURGESYS function 138-139,202
read LOGREC data 196
read system dump spool file 196-197
read system symbol table 197
save 3704/3705 control program 199
saving or loading a 3800 named system 204-205 saving or loading a 3800 named system (.2748- XE1) 204.1-205 special diagnose for shadow table
maintenance (5748-XE1) 204 start of LOGREC area 195-196
store extended-identification code 183
update user directory 197
virtual console function 184-186 VHCF function 143,159,203-204 data transfer error codes 167-169
return codes 167-169 VMCPARM parameter list 159-162 3270 virtual console interface 199-200 full screen interactions (5748-XX8) 199- 200.4 full screen interactions (5748-X]1) 199- 200.4 full screen mode 199- 200.4 full screen mode (5748-XEj) 199- 200.4 directory
entries for CMS/DOS library volumes 307 hooks 206-210 replacing entries 206-210 update in-place 206-210 discontiguous saved segments 135-136
loading 201- 202 purging 202 discontiguous shared segments
defined via NAMESYS macro 137-138
user requirements 136
dispatch list use in deadline priority 85- 86
use in deadline priority (5748-XEj) 85-86
dispatching
interactive users 84-85
noninteractive users 84-85
priority, calculating 84-85
scheme, for virtual machines 84-85
v irtual machines
from queue 1 84-85
from queue 2 84-85
dispatching priority, replacing directory
entry 206-210 372 IBM VM/370 system Proqrammer's Guide DISPLAY command 38-42
summary 33
usage 22,26-27
display terminals, CMS interface 267-268
displaying
data on 3270 console screen 199-200 floating-point DISPLAY command 33
general registers DISPLAY command 33 GPR subcommand of DEBUG command 33 PSW DISPLAY command 33 PSW subcommand of DEBUG command 33
storage DISPLAY command 33 X subcommand of DEBUG command 33 DISPSW macro display terminals, DISPSW macro 267-268
distribution word, replacing directory
entry 206-210 DMCP, command 38-42
DMKCFC (console function) support 215
DMKDDR Dump Restore (DDR)
program) DKKSNT (s ystem name table) 132-142 DMSABN (abend routine) 71 DKSABN macro 20-21 operands 20- 21 DMSEXS 255- 256 DMSFREE 241-243
allocating nucleus free storage 250-251 allocating user free stora ge 250 error codes 254-255
operands 247-250 service routines 252-255
storage management 247-250 DMSFR ES 252- 255
error codes 254-255
operands 252-255 DMSFRET 252
error codes 254-255
operands 252
releasing storage 252 DKSINA 259 DMSINT 259 DMSIOW 238 DMSITE 239 DMSITI 236-237 DHSITP 238 DMSITS 236-237,256,264-267 DKSKEY 255-256 DMSLADAD, entry for auxiliary directory 320-321 DMSNUC 240,241-243 DOS (Disk Operating System) abnormal termination
messages 4-6
procedure 23 DO S/VS functions simulated by CMS 285
macros
supervisor 289-290 supported under CMS 291-293

Page of GC20-1807-7 As Updated April 1, 1981 by TNL GN25-0829 DOS/VSE support control blocks simulated (5748-XX8) 305-306 functions supported 285 hardware supported (S74S-XXS) 285
supervisor and I/O macros supported (5748-XX8) 289-290 VSAM macros supported (5748-XX8) 310 DOS/VSE CMS support
control blocks simulated (5748-XE1) 305-306 functions supported (5748-XEj) 285
hardware supported (5748-!11) 285
supervisor and I/O macros supported (5748-XE1) 289-290 VSAM macros supported (5748-XE1) 310-312.1 DOS/VSE transient routines (5748-XE1) 304 DSCB 278- 279 DTFCD macro 294-296 DTFCN macro 296
DTFDI macro 297
DTFM T macro 298-300 DTFPR macro 300-301 DTFSD macro 302-304 dump (see al§.Q CP (Control Pro gram), du mp
and CMS (Conversational Monitor System) ,
dump) DUMP command 38-42
summary 32
usage 26-27,29-30 dump, used in problem determination 18
dump ing
storage
at printer 37
at terminal 37
to real printer 45-46 DUMPSAVE (DMKDMP save area) 49
dynamic load overlay 325
dynamic SCP transition to or from nat ive
E mode advantages of (5748-XE1) 102.3-102.4 command used for (5748-XE1) 102.3-102.4 overview of how to use 102.3-102.4 performance impact of (5748-XE1) 1 02 • 3- 1 02 • 4
precaut ions when using (5748-XE1) 1 02. 3- 1 02 • 4
purpose of 102.3-102.4 systems supported 102.3-102.4 EC (Extended control) mode 26-27 EC (Extended Control) PSi 348 ECMODE option 176 ECPS (Extended Control-program Support)
99- 1-00.1 CP assist 99-100.1 expanded virtual machine assist 99-100.1 restricted use 101-102 virtual interval timer assist 101,175-176 ECRLOG (control registers) 71
editing error messages 20o-20i error messages (5748-XX8) 200.4 error messages (5748-XE1) 200.4 efficiency, of VM/370 performance options
88
eligible list
use in deadline priority 85- 86
use in deadline priority (5748-XE1) 85-86
ENQ macro 276
environment, of VM/370, system load
124-125
error codes DMSF'REE DMSFRES DMSFRET 254- 255
254-255
254-255
254- 255
error messages
editing 200- 201 editing (5748-XX8) 200.4 editing (5748-XE1) 200.4 error recording cylinders, clear 191 EXCP, CMS/DOS support for 305-306 ex panded virtual machine assist 99-100 .. 1
Extended Control mode EC (Extended Control) mode)
Extended Control-Program Support (ECPS) (see ECP S) exten ded-ident if ica tion code 183
external BLIP character 239
external console interrupt 87 HNDEXT macro 239
in CMS 239
in RSCS 338
in VMCF 143,164-167
message header 164-167
interval timer 87
timer 239 EXTOP SW (external old PSi) 69 EXTRACT macro 275 EXTSECT (external interrupt work area) 71
F
faults, MSS cylinder, VK/370 processing
173
favored execution option 93-94 FCB control buffer) FCB (File Control Block) 240 FCBTAB (file control block tab Ie) 71
features, device 60-62 FEOi macro 275
fetch storage protection 77-78
file
management eMS 234-235 RSCS 336
Index 373