DQUEUE macro - is type 3, gets LOCAL lock.
Calls module IGC0007E.
GTF data is:
- R15
- No applicable data.
- R0
- Address of next the IQE on the IRB active list for the attention
routine when ATTNINQ has specified the clear mode; otherwise, contains
zeros.
- R1 content:
- Bytes
- Contents
- 0
- Unit index to identify a particular 2260 display station; or 00
for a 2250 station.
- 1-3
- GACB address.
- IQE
- When ATTNINQ specifies clear mode this field contains the first
3 words of the IQE pointed to by R0:
- Bytes
- Contents
- 0-3
- Address of the next IQE in the chain, or zeros.
- 4-7
- No applicable data.
- 8-11
- Address of the IRB associated with the IQE. N/A will appear
in this field whenever the ATTNINQ macro instruction did not specify
the clear mode.