Eexadecimal Field
Eisplacement Name
------------
27 VDEVSFLG DS 12.!!§ Q§!.!]§Q VDEVFEED EQU VDEVXFER EQU VDEVCONT EQU VDEVHOLD EQU VDEVFOR EQU VDEVEOF BQU VDBVTERM BQU VDEVCFCL EQU VDEVPURG BQU VDEVDIAG EQU VDEVSVC BQU lX in VDEVSFLG --x -;1i'0-;---- X'80' X'40' X'20' X'10' X'08' X'08' X'04' X'02' X'02' X'Ol' VDEVBLCK Field Description, Contents, Meaning Spcol - virtual spool flags Spool reader - last command was a feed
spool output -transferred to VDEVXUSR Spocl device - continuous cperation
Hold cutput - save input Spool output - for user and distribution
spool input -set unit exceFtion at EOF Terminal output required fcr spooled console
Device closed by console function Spool output - purge file at close Spocl input -device opened by DIAGNOSE Spool device busy by CP Section 1. CP Data Areas and Control Blocks 119
VFCBELOK, VMAELOK VFCBBLOK is exclusively used for virtual 3211 printer carriage contrcl forms activity.
, 0 VFCBCNT V*1 V*2 I VFCEWORK I I 8 VFCBSPAR V*3 I I 10 Hexadecimal
tisplacement
------------ 0 2
3
4
8
A
E VFCBLOAD Field
Name VFCBCNT VFCBFLAG DS DS 1H 1X in VFCBFLAG VFCBEOF EQU --X'80'---- VFCBCMD EQU X'40' VFCBCHL DS 1X VFCBWORK DS 1F VFCBSPAR DS 2X VCFImD-EX DS 1X VFCBLOAD DS CL181
Field Description, Contents, Meaning Current Fointer to carriage column V*1 Working flag byte V*2 V*3 End-cf-forms passed once
Forms control given
Channel numler or space Work area Spare Index byte value
count Forms control buffer area VFCBSIZE EQU (*-VFCEELOK) /8 Size in doullewords (X' 18') VMABLOK contains the name of a shared system, a pointer to the share table (SHRTAELE),
and a pointer to the next VMABLOK. The VMA55IST field in the VMEICK Foints to the VMABLOK. o
8
Hexadecimal Field
tisplacement Name
------------ 0 VMAFPNT 4 VMASHREK 8 VMANAME VMASIZE VMAFPNT DS 1F DS 1F DS CL8 EQU (*-VMABLOK) /8 VMA5HRBK VMANAME Field Description, Contents, Meaning
Forward pointer to next VM!ELCK Address of share table (SHRTAELE) Identification of named shared system V MAELCK si ze in dour lewords (X' 02') 120 IBM VM/370 Data Areas and Central Block Logic
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