DFSCMC00 (MSC analyzer)
The DFSCMC00 module manipulates the LXB trace stack.
- Byte 1, bits 4-7
-
- Value
- Meaning
- 0
- No I/O operation was queued; contention exists for the CTC adapter
- 1
- WRITE channel program was queued
- 2
- ACK channel program was queued
- 3
- WRACK channel program was queued
- 4
- READ channel program was queued; contention exists for use of the CTC adapter
- 5
- STARTUP channel program was modified to be a WRITE channel program
- 6
- Old STARTUP channel program was modified to be a WRITE channel program
- 7
- WRITE channel program was not queued; write-pending switch was set
- 8
- Error return was given
- Byte 2
- This contains the operation code (found in DECTYPE+1).