CLOSE macro - is type 4, gets LOCAL lock.
Calls module IGC00020.
If MODE=24 (R1 not = 0), GTF data is:
- R15
- No applicable data.
- R0
- Address of parameter list if R1 contains zero. Otherwise, no applicable
data.
- R1
- Address of the parameter list or zero. Zero if "MODE=31" was
specified in the CLOSE macro.
- PLIST
- Four to 40 bytes of the CLOSE parameter list, which has a maximum
length of 1020 bytes. The list is a series of 4-byte entries in the
following format:
| Value |
Option byte; bit
settings are: |
|---|
| 0 |
Bits |
|
|
|
1... |
.... |
Last entry indicator. |
|
.000 |
.... |
DISP. |
|
.100 |
.... |
REWIND. |
|
.010 |
.... |
FREE. |
|
.011 |
.... |
LEAVE. |
|
.001 |
.... |
REREAD. |
| 1-3 |
ACB
or DCB address. |
If MODE=31 (R1 = 0), GTF data is:
- R15
- No applicable data.
- R0
- Address of parameter list.
- PLIST
- Eight to 80 bytes of CLOSE parameter list, which has a maximum
length of 1020 bytes. The list is a series of 8-byte entries in the
following format:
| Value |
Option byte; bit
settings are: |
|---|
| 0 |
Bits |
|
|
|
1... |
.... |
Last entry indicator. |
|
.000 |
.... |
DISP. |
|
.100 |
.... |
REWIND. |
|
.010 |
.... |
FREE. |
|
.011 |
.... |
LEAVE. |
|
.001 |
.... |
REREAD. |
| 1-3 |
Zeroes. |
|
|
| 4-7 |
ACB
or DCB address. |