TOPS-10 Monitor Calls Manual Volume 2 AA-K039D ... - Trailing-Edge

IN [OPCODE 056]
COMMON PROGRAMMING ERRORS
o
If the channel was not initialized, the monitor stops the job
and prints:
?I/O to unassigned channel at user PC xxxxx
o If the specified address is illegal, the monitor stops the
job and prints:
?Address check for device yyyyyy:
UUO at user PC xxxxx
o
If the monitor cannot allocate buffers in your address space,
the monitor stops the job and prints (see INBUF):
?Address check for device yyyyyy:
UUO at user PC xxxxx
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