NICBLOK contains control
lines, and display screen
NICBLOK.
o NICNAME 8 NICRCNT NICBLOK information related to 3704/3705 resources, teleprocessing
status information. The RDEVNICL field of RDEVELOK Foints to NICEPAD N*1 I N*2 I N*3 I N*4 NICVRID NICTlUT 10 NICUSER NICQPNT 18
Hexadecimal
Displacement
o
2
4
5
6
7 Field Name
NICNAME DS NICEPAD DS NICSTAT DS !!!i§ NICERLK EQU NICNTRL EQU NICDISA EQU NICSWEP EQU NICEPMD EQU NICLTRC EQU NICDED EQU NICTRQ EQU NICHOLD EQU NICMORE EQU NICRUNN EQU NICRE!D EQU NICCPNA EQU NICFLAG DS !!!i§ NICSESN EQU NICATTN EQU NICPSUP EQU NICATOF EQU NICENAB EQU NICDISB EQU NICMTA EQU NICFMT EQU NICDIAG EQU NICALRM EQU NICCARD EQU NICPROCN EQU NICLLEN DS NICTYPE DS !!it§ NICCTLR EQU NICLINE EQU NICTERM EQU NICLGRP EQU 1H
1H 1X in NICSTAT --X'80'- X'40' X'20' X'10' X'08' X'02' X'01' X'80' X'10' X'08' X'04' 1'02' X'01' 1X in NICFLAG --X'80'- X'40' X'20' X'10' X'08' X'02' X'01' X'80' X'40' X'10' X'04' X'01' 1X 1X in NICTYPE --X'OO'- X'80' X'40' X'20' NICDSP Field Description, Contents, 370x NCP resource name Subchannel address when in EP mode
N*1 Resource status flags
Device error lock is set
Control operation is active
Resource inactive (offline)
Resource is switchable to EP mode
Resource now in emulator mode NCP line trace active
Resource is dedicated
Graphic device -timer request Fending
Graphic device -screen full; in HOLD status
Graphic device -screen full; in MORE status
Graphic device -screen in running status
Graphic device -read pending fer screen input
Graphic device -last input not accepted
N*2 Interface control flags Session is active for this device
Attention handling in progress
Resource has print suppress feature Suppress attention signal character
Resource is active and enabled
Resource to be disabled as soon as possible
Multiple terminal access resource
Graphic device -screen formatted VM/370 online
Graphic device -screen written with DIAGNOSE Graphic device -screen has an alarm message
Graphic device -data from card reader
Graphic device -process centrol task now
N*3 Terminal output line length
N*4 Resource type and/or features
Resource is the 370x Resource is a teleprocessing line
Resource is a terminal device
Resource is a logical line group Section 1. CP Data Areas and Control Blocks 61

NICBLOK Hexadecimal
Displacement
------------
8
A
C 10 14
18
2
3
8
A
C
Field
Name !!.!1§ NICSDLC EQU NICLBSC EQU NICSWCH EQU NICMLTP EQU NICTELE EQU NICCIBM EQU NICRCPU EQU NICRSPL EQU NICGRAF EQU NIC3271 EQU NIC3275 EQU NICOPRDR EQU NICRCNT DS NICVRID DS NICTMAT DS NICUSER DS NICQPNT DS NICDSP DS Field Description, Contents, Meaning in NICTYPE (cont.) X'08'--- LINE -Synchronous data link control X'04' LINE -Binary synchronous line control X'02' LINE -Switched line interface X'01' LINE - Multiple-drop leased line X'10' TERM - Telegraph line adapter X'08' TERM - Selectric-based terminal X'04' TERM - Bisynch remote computer X'02' TERM - Bisynch remote spool device X'01' TERM - Bisynch remote graphics X'08' Graphic device -3271 control unit X'04' Graphic device -3275 standalone display
station X'10' Graphic device -card reader feature
1H
1H
1F
1F
1F
1D
Retry count for BTO errors Virtual resource ID when dedicated TOD clock value when attached VMBLeK address of associated user Pointer to input BTU chain
Remote 3270 information ORG NICDSP NICRSV1 DS 1X NICDTYPE DS 1X NICDTYPE NICD3277 EQU 1'04'--- NICD3275 EQU X'02' Reserved for IBM use Display station type
3277 display station
3275 display station NICMDL DS NICRSV2 DS NICRSV3 DS 1X Display station model 1X Reserved for IBM use 1X Reserved for IBM use NICSIZE EQO (*-NICBLOK)/8 Size of block in doublewords (X'03') - 127Q ORG NICEPAD NICCORD DS 1X NICTMCD DS 1X NICTABF EQU NICSIO EQU NICAPL EQO NICTEXT EQO in NICTMCD -X'80'- X'40' X'20' X'10' ORG NICRCNT
NICSELT NICPOLL NICATRB DS 18 DS 1H DS 1F
Current line coordinates
Terminal mode Second scan of screen's input area DIAGNOSE issued to input area APL cn for 3270 remote
Text feature on for 3270 remote
Remote station selection characters
Remote station polling characters
Timer request block address VML37.Q of l1 0x WRITBRK EQU X'09' Write break CCW operation code RDBOFLN EQU 96 Length of host read buffers RDBUFNO EQO 6 Numher of host read buffers Q) Peculiar to the 370x IPLREQ EQU X'02' ----IPL-required==3705 inactive ABORT EQU X'01' Buffer depletion--transfer terminated
62 IBM VM/370 Data Areas and Control Block Logic