- Entry:
- ACA1 or ACI1
- VIT option:
- APPC
- Event:
- LU 6.2 authorized IO or LU 6.2 TPIO (Part 1)
- VIT processing module:
- ISTRACAC
- Control is returned to:
- ISTAICAR
The ACA1 trace record shows LU 6.2 requests under the
authorized path or LU 6.2 requests not under the authorized path but
issued by programs running under an authorized key. The ACI1 trace
record shows LU 6.2 requests running under a normal path. 
- Byte (hex)
- Contents
- 00–03
- Record ID:
- C"ACA1" for authorized path
- C"ACI1" for normal path
- 04
- ID is the primary address space ID (ASID). This field is 0 if the ID is greater than X'FF'.
- 05
- Exit definition (RPLEXTDS)
- 06
- Option code byte 1 (RPLOPT1)
- 07
- Option code byte 6 (RPLOPT6)
Contains the RPLXBFL flag (bit 5) that indicates whether the application is requesting HPDT services.
- 08–0B
- RPL address
- 0C
- APPCCMD CONTROL operand value:
- X'10'
- ALLOC
- X'11'
- PREALLOC
- X'12'
- SENDFMH5
- X'20'
- RESETRCV
- X'30'
- DEALLOC
- X'31'
- DEALLOCQ
- X'40'
- OPRCNTL
- X'50'
- PREPRCV
- X'60'
- RCVFMH5
- X'70'
- RECEIVE
- X'71'
- RCVEXPD
- X'80'
- REJECT
- X'90'
- SEND
- X'91'
- SENDEXPD
- X'92'
- SENDRCV
- X'A0'
- SETSESS
- X'B0'
- TESTSTAT
- 0D
- APPCCMD QUALIFY operand value:
- X'00'
- NULL
- X'01'
- ABNDPROG
- X'02'
- ABNDSERV
- X'03'
- ABNDTIME
- X'04'
- ABNDUSER
- X'05'
- ANY
- X'06'
- CNOS
- X'07'
- CONFIRM
- X'08'
- CONFRMD
- X'09'
- DATA
- X'0A'
- DATACON
- X'0B'
- DATAFLU
- X'0C'
- DEFINE
- X'0D'
- DISPLAY
- X'0E'
- ERROR
- X'0F'
- FLUSH
- X'10'
- RQSEND
- X'11'
- SPEC
- X'12'
- ACTSESS
- X'13'
- DACTSESS
- X'14'
- ALLOCD
- X'15'
- IMMED
- X'16'
- CONWIN
- X'17'
- SESSION
- X'18'
- CONV
- X'19'
- SUSPEND
- X'1A'
- RESUME
- X'1B'
- RESTORE
- X'1C'
- SYNCBEG
- X'1D'
- SYNCEND
- X'1E'
- CONVGRP
- X'1F'
- WHENFREE
- X'20'
- IANY
- X'21'
- ISPEC
- X'22'
- ALL
- X'23'
- IALL
- X'24'
- QUEUE
- X'25'
- DATAQUE
- 0E–0F
- User buffer length (RPLBUFL) for receive RPL or 0
- 10–13
- Address of SEND data or RECEIVE buffer
If HPDT services are requested, the RPL area contains the extended buffer list area. The contents are recorded in the XBA1, XBA2, and XBA3 entries.
- 14–17
- APPCCMD flags (RPL6FLGS) or 0
- 18–1B
- User field for LU 6.2 commands when CONTROL equals ALLOC, PREALLOC,
or RCVFMH5. CID for LU 6.2 commands when CONTROL equals OPRCNTL, and
QUALIFY equals either ACTSESS or DACTSESS. 0 for LU 6.2 commands for
which one of the following conditions is true:
- CONTROL equals OPRCNTL, and QUALIFY equals either CNOS, DEFINE, or DISPLAY.
- CONTROL equals RECEIVE or RCVDEXPD, and QUALIFY equals ANY or IANY.
- CONTROL equals REJECT, and QUALIFY equals SESSION or CONVGRP.
- CONTROL equals SETSESS, and QUALIFY equals RESUME.
Conversation ID for all other LU 6.2 commands
- 1C–1F
- Sense data (RPL6SNSO) or 0