Register 1 contains the address of the ADRUENQ parameter list. You can use the ADRUNQB mapping macro to map this parameter list (see Table 1).
Offset | Length or Bit Pattern | Name | Description |
---|---|---|---|
0 (X'0') | 8 | ADRUNQB | |
0 (X'0') | 4 | UNUCBVSA | UCB volume serial number address |
4 (X'4') | 1 | UNFLG1 | Flag byte 0 |
1... .... | UNEOL | End of list indicator, always 1 | |
.x.. .... | Reserved | ||
..1. .... | UNDUMP | 1 = DUMP operation | |
...x .... | Reserved | ||
.... 1... | UNCOPY | 1 = COPY operation | |
.... .1.. | UNPRINT | 1 = PRINT operation | |
.... ..xx | Reserved | ||
5 (X'5') | 1 | UNFLG2 | Flag byte 1 |
1... .... | UNDSN | 1 = data set operation | |
.1.. .... | UNFULL | 1 = full volume operation | |
..1. .... | UNPART | 1 = partial volume operation | |
...x xxxx | Reserved | ||
6 (X'6') | 1 | UNFLG3 | Flag byte 2 |
1... .... | UNTOLNQF | 1 = TOLERATE(ENQFAILURE) specified | |
7 (X'7') | 1 | Reserved |