Hex --"2 4
8C 14
15
16
16
1811 1C 1E 1F 20 26
28
29 2
4
8
1220 21
22
22
24
26
2830 31
32
3840 41 !:ield_NaJ!! IOBUADD Ds 1H IOBCCi Ds 1F IOBERROR Ds A IOBCsi Ds 2F IOBCLAss Ds X'O' IOBTYPE Ds X'O' lOBS KIP EQU * IOBMREC Ds H'O' IOBCYLP Ds H'O' IOBCYLA Ds H'O' IOBMTCK Ds lOBMODE DS IOBDIsP Ds IOBVsER Ds IOBATAPE Ds IOBFLAG Ds
DsH'O' X X CL6' , X'OOOO' X'O' 3X'0' IOBSlZE EQU *-IOB Unit address of device Pointer to cei
Address of10 error routine Csi of 10 error stacked
Device class
Device typelOB type skip count Maximum nuaber of records that will fit a track Maximum primary cylinder address of DAsD device. Maximum alternate cylinder address of DAsD device. Maximum nuaber of tracks (numbering C-N) lOB tape mode command code rOB tape disposition command code Volume serial number of DAsD unit
Address of an alternate tape unitrOB flag
Reserved forrBM use
Address of an alternate tape unit
Figure 5-5.rOB (Input/Output Block) Format (Part 2 of 2)
Chapter 5. TheD!SD Dump Bestcre Program 109
8
15
16
16
18
28
29
4
8
12
22
22
24
26
28
32
38
Ds
Address of
Device class
Device type
Address of an alternate tape unit
Reserved for
Address of an alternate tape unit
Figure 5-5.
Chapter 5. The