TANKDSEC TANKDSEC is used to reference buffer data and control information ccntained in tanks,
which are unit buffers used to deblock the larger TP buffers. (TP buffers are defined by
the needs of an individual remote station and their size varies from station to station.)
$TANKPOL in mcdule DMTSML points to a queue of available tanks.
r
o 1 TANKCHN
1--------------------------------------------------------
4 I TANKRCB I TANKSRCB TANKCNT
1--------------------------------------------------------
8 I TANKDATA DO Hexadecimal Field
Displacement Name Field Descripticn, Contents, Meaning o
4
5
6
8 DO TANKCHN DC
TANKRCB DC TANKSRCB DS TANKCNT DS TANKDATI DS TANKEND ·DS A (0) 1C
1C
1H CL200 OF Tank chain field
Tank record control byte Tank subrecord control byte
Count of data bytes in tank Data area in tank next to word boundary
266 IBM VM/370 Data Areas and Control Block Logic
TAREA
TAREA an area associated with each task. This area is used to save the contents of the
task's PSi and general registers and to flag whether or not a task has infcrmation ready
to pass. TAREA comprises the first 78 bytes of the storage area defined in each task's
storage. 0 TPSW 4
8 TGREGO C TGREG1 10 TGREG2
14 TGREG3
18 TGREG4 lC TGREG5 20 TGREG6
24 TGREG7
28 TGREG8
2C TGREG9 30 TGREG10
34 TGREG11
38 TGREF12
3C TGREG13 40 TGREG14
44 TGREG15
48 TREQLOCK Section 3. RSCS Iata Areas and Control Blecks 267
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