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

DISK. [CALLI 121]
22.33.1 FUNCTION 0 (.DUPRI)
Sets the disk priority level.
The argument list for .DUPRI is:
addr: XWD channo, priority
In the argument, priority is in the range -3 to +3
priority and +3 is the highest priority) .
(0 is normal
If you set the priority for
setting for the job, and
release the channel.
a channel, the setting overrides the
remains in effect until you change it or
If you set the priority for the entire job, the setting remains in
effect until you change it with another DISK. call or with a SET
DSKPRI monitor command.
The maximum priority level you can use for your job is stored in Bits
1-2 (JP.DPR) of the job privilege table (GETTAB Table 6, .GTPRV)
On an error return from this function,
codes may be stored in the ac:
one of the following error
Code Symbol Meaning
1
2
3
DUPIP%
DUPNO%
DUPIA%
Priority higher than JP.DPR.
Channel not initialized.
Illegal channel number or code.
22.33.2 FUNCTION 1 (.DUSEM)
Sets PDP-IO/PDP-ll compatibility mode (22-sector mode on the
RP04/RP06) for the channel. .DUSEM is a privileged function. The
argument list for .DUSEM is:
addr: EXP channo
On an error return from this function,
codes may be returned in the ac:
one of the following error
Code Symbol Meaning
1
2
DUSID%
DUSCM%
Illegal device.
The device does not support 22-sector mode.
22.33.3 FUNCTION 2 (.DUSTM)
Clears PDP-IO/PDP-l1 compatibility mode.
function. The argument list for .DUSTM is:
.DUSTM 1S a privileged
addr: EXP channo
On an error return from this function,
codes may be returned in the ac:
one of the following error
Code
1
2
Symbol
DUSID%
DUSCM%
Meaning
Illegal device.
The device does not support 22-sector mode.
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