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

PISYS. [CALLI 136]
22.128 PISYS. [CALLI 136]
FUNCTION
Controls the program interrupt facility during execution.
CALLING SEQUENCE
addr:
MOVE
PISYS.
ac, [EXP flags+addr]
ac,
error return
skip return
. .
I SIXBIT/devicel \
I EXP channo I
I EXP udx I
\ EXP condition I
XWD vector-offset,reasons
XWD priority, 0
In the calling sequence, the program supplies the following variables:
o
o
flags are one or more of the function flags described below.
addr is the address of the argument list.
o device is the SIXBIT physical or logical name of an
initialized device.
o
o
channo is the number of an initialized channel.
udx is the Universal Device Index for a device.
o condition is one of the non-I/O condition codes described
below. (See Table 22-14.)
o
o
o
vector-offset is the relative address of the control block
for the interrupt (maximum value for this is stored in GETTAB
table .GTCNF, item %CNMVO) .
reasons are flags (described below) specifying the device I/O
conditions that can cause an interrupt.
priority is the priority level assigned to the interrupt.
Priority 0 is the lowest level. Higher values indicate which
events may interrupt other events. The maximum priority
level is available in GETTAB table .GTCNF, item %CNMIP
(normally 3) .
22-317