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

PIINI [CALLI 135]
2 .PSVFL
Control flags, and either device
or a non-I/O condition code.
are set by the user.
The control flags are:
condition flags
The control flags
Bits
1
2
3
4
5
6
18-35
Symbol
PS.VPO
PS.VTO
PS . VAl
PS.VDS
PS. VPM
PS. VIP
Meaning
Disable all interrupts; they can
be reenabled by a PISYS. monitor
call.
Disable all interrupts of higher
priority until the program gives
a DEBRK. monitor call.
Allow control block to accept
additional interrupts. Use
DEBRK. to dismiss interrupts.
Dismiss any additional interrupt
requests for this condition or
device until this interrupt is
dismissed (using DEBRK.).
Print any standard message that
is relevant to this interrupt
condition.
Obsolete.
The right half of .PSVFL contains
the condition (reason) for the
interrupt. These are divided
into device I/O conditions and
non-I/O conditions, and are
described under the PISYS.
monitor call. The reason code is
returned by the monitor on an
interrupt.
3 .PSVIS
Interrupt status. When this auxiliary word is
returned by a device I/O interrupt, it contains:
udx"file-status
SKIP RETURN
The program can use the PISYS. call to add or delete interrupt
conditions.
ERROR RETURN
The call can take the error return with one
codes stored in the ac:
of the following error
Code
Symbol
Meaning
1
2
3
PIIBC%
PIADC%
PINFS%
Illegal bit or section number given.
Address check occurred.
The monitor does not have ~ufficient
free core.
22-310