instructions 1-411
finding with D!KCPI and load map 1-411
load list for entry point locations
1-418
locating in assembly listings 1-417 sUllmary of· 1-416
control register
usage 1-19
used by !CB 1-152
control register 6
bit definition 1-409 control for ECPS 1-409 conventions, pageable CP modules 1-80 CP (Control Prograa)
abend codes 1-406 annotated flow diagrall, use of 1-183
attached processor 1-112 command module entry points 1-403 coa.ands CP coa.ands) cOncurrent execution of virtual aachines
1-3
console functions 1-121
processing 1-213 BIO operations 1-196
initialization 1-14,1-123
procedures 1-208 interrupts
handling 1-46
processing 1-183 I/O aanagement on virtual aachine 1-6 I/O operations, scheduling of 1-195 I/O scheduling for CP and the virtual
aachine 1-190 label-to-.odule cross-reference 1-300 aodule entry point directory 1-229
aodule-to-Iabel cross-reference 1-251
page zero handling 1-5
privileged instruction siaulation 1-3
proble. state execution 1-3
prograa organization 1-183
real control blocks, I/O 1-15
request stack 1-136 SIO operations 1-195
spooling 1-7,1-136,1-216 SVC interrupt handling 1-11
ter.ination 1-123
procedures 1-208 virtual
interrupt processing 1-189 I/O operations 1-189
virtual control blocks, I/O 1-16
virtual aachine interrupt handling 1-3
wait state, codes 1-403 CP assist control prograll assist)
CP coaaands 1-9
CP processing 1-213
spool files 1-144
aanageaent 1-147
spooling
real 1-146
virtual 1-146
CP diagnostic aids 1-401 cross-reference
label-to-aodule, CP 1-300 aodule-to-Iabel, CP 1-251
CTCA operations between virtual .achines
1-189
D
DASD (Direct Access Storage Device)
error recovery 1-163
errors, during spooling 1-148 I/O initiated via DIAGNOSE 1-190 space
allocation of 1-139,1-205 de-allocation of 1-205 exhausted for spool files 1-149
storage management 1-111
cylinder allocation 1-112
slot allocation 1-111
DASD I/O function 1-56
data area modules 1-80 data format for binary synchronous lines 1-103 for reaote 3210 1-103 read header .essage 1-104 read text aessage 1-104 write text, data aessage 1-103 write text aessage for the copy co •• and 1-103 de-allocation of DASD space 1-205 dedicated channel
assigning to virtual aachine 1-1
support 1-96
defining, a virtual device 1-125 deaand paging 1-5
detaching, virtual devices 1-6,1-126
devices
real
attaching 1-125
spooling comaands 1-146
virtual
defining 1-125
detaching 1-126
spooling co.aands 1-146
DIAGNOSE instruction 1-49
channel program aodification 1-60 clear error recording cylinders 1-51 DASD I/O function 1-56
define function of PA2 function key
1-65
deteraine virtual aachine storage size
1-61
device type function 1-58
directory update-in-place 1-12
display data on 3210 console 1-65
error aessage editing 1-66 examine real storage 1-51 FINDSYS function 1-69
function codes for 1-407 1-428 IB! V!/370 Systea Logic and Problem Deteraination Guide

general I/O function 1-58
generate accounting cards 1-63
input spool file manipulation 1-53
load 3800 named system 1-70 LOADSYS function 1-67 MSS support 1-71
page release function 1-53
pseudo timer 1-53 PURGESYS function 1-68
read LOGREC data 1-62
read system dump spool file 1-62
read system symbol table 1-63
save 3704/3705 control program 1-65
start of LOGREC area 1-62 starting a general I/O operation 1-191 store extended-identification code 1-50 update VM/370 directory 1-63
used to start standard DASD I/O 1-190 virtual console function 1-51 VMCF function 1-69 3270 virtual console interface 1-65
diagnostic aids, CP 1-401 direct access storage device DASD (Direct Access Storage Device» directory Virtual Machine Faci1ity/370 (VM/370), directory)
directory update-in-place, DIAGNOSE instruction 1-72
disable a line, I/O program 1-100 disconnecting
terminal 1-126
virtual machine 1-126
discontiguous saved segments
loading 1-67
purging 1-68
dispatch entry, BAIN 1-214
dispatch entry point 1-214
dispatched user, reflection for 1-214
dispatching 1-214
algorithm 1-133
enabling for interruptions 1-134
fast redispatch 1-134
interactive users 1-11
non interactive users 1-11
priority, calculating 1-11
scheme, for virtual machines 1-11 states, user 1-130 support routines 1-136
virtual machine 1-215
virtual machines 1-128
exallp1es 1-130 from queue 1 1-11
from queue 2 1-11
working set 1-133
dispatching lists, virtual machine 1-128
displaying, data on 3270 console screen
1-65 DBKCKP 1-14 DI!KCPI 1-14 DBKEXTSL 1-178 DI!KFREE calling for a large block 1-121
calling for a subpool 1-121 D!KFRET calling for a large block 1-122
calling for a subpool 1-121 DftKISftTR, handling, OS ISAft 1-87 DI!KPRV 1-118 DI!KSAV 1-14 DI!KVIT 1-118 DI!lKVIO 1-95 dump the system 1-210 E BCC recording modes 1-156
validity checking 1-152 ECPS (Extended Control-Program support)
1-37,1-409
control by control register 6 and BICBLOK assist control field 1-409 CP assist expanded virtual machine assist 1-37
interaction with DOS emulator 1-409 interaction with other functions 1-409 interaction with program event recording
(PER) 1-409 interaction with VI!I 1-409 interaction with VS1 assist 1-409 restricted use 1-38· sUllmary of control 1-409 trace table entries 1-411
virtual interval assist 1-38
editing, error messages 1-66
efficiency, of VB/370 performance options
1-25
enable a line, I/O program 1-100 enabling for interruptions 1-134 enhance.ents, iiiscellaneous, with VB/VS Handshaking feature 1-45
entry points for CP co.mands 1-229,1-403 BRP (error recording prograa) 1-159
error aessages, editing 1-66
error recording 1-162
base, establishing 1-220
cylinders, clearing 1-57
record writing 1-162
via SVC 76 1-161,1-222
error recovery 1-162 DISD 1-163
hard 1-117
soft 1-117
spool files 1-148
tape 1-165
virtual storage paging 1-116 3270 binary synchronous line 1-202 3270 reaote 1-171
Index 1-429