STAX macro - is type 3, gets LOCAL lock.
Calls module IEAVAX00.
GTF data is:
- R15 and R0
- No applicable data.
- R1
- Address of the parameter list.
- PLIST
- 24 bytes long; format is:
- Bytes
- Contents
- 0-3
- Address of the user program to get control at the time of the
attention interruption.
- 4-5
- Size of the input buffer (max 4095).
- 6-7
- Size of the output buffer (max 4095).
- 8-11
- Address of the output buffer.
- 12-15
- Address of the input buffer.
- 16
- STAX option flag byte; bit settings are:
| |
|
|
|---|
| 1... |
.... |
Reserved. |
| .0.. |
.... |
REPLACE = YES. |
| .1.. |
.... |
REPLACE = NO. |
| ..1. |
.... |
DEFER = YES. |
| ...1 |
.... |
DEFER = NO. |
| .... |
1... |
Increment CLIST attention counter |
| .... |
.1.. |
Decrement CLIST attention counter |
| .... |
..1. |
Byte 17 contains a format number |
| .... |
...1 |
Reserved. |
- 17
- A one indicates a format 1 parameter list.
- 18-19
- Reserved.
- 20-23
- User parameter list.