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

SCS. [CALLI 213]
22.146 sese [CALLI 213]
FUNCTION
Provides the diagnostic interface to the Systems Communications
Service layer of the System Comrnunications Architecture, allowing
information to be exchanged between jobs on different systems
connected over a CI20.
KS systems do not support System Communications Architecture.
This monitor call is used in DIGITAL-suppl~ed hardware diagnostic
programs and is not intended to be used in customer programs. The
calling sequences and arguments of SCS. are subject to change without
notice. The program must be run under [1,2] or have JACCT privileges
to use the SCS. UUO.
CALLING SEQUENCE
/ XMOVEI ac,addr
\ MOVEI ac,addr
SCS. ac,
error return
skip return
\;for extended addressing
/
addr:
len"function
In the calling sequence, the program supplies the addr, which is the
starting address of the argument block, len specifies the total length
of the argument block, and function is one of the function codes
described below. The function word is formatted as follows:
Word
Symbol
Bits
Field
Symbol
Contents
.SQFNC
0-5
6-8
9-17
18-35
SS.CPU
SS.LEN
SS.FNC
Reserved
CPU number.
Length of argument block,
word.
One of the function codes
including this
listed below.
Function
codes are:
Code
o
1
2
3
4
5
6
7
10
11
12
13
14
15
16
17
Symbol
.SSCON
.SSLIS
.SSREJ
.SSDIS
. SSSDG
. SSQRD
. SSSMG
.SSQRM
.SSCSP
.SSRCD
.SSSTS
.SSRMG
.SSMAP
.SSUMP
. SSSND
.SSREQ
Meaning
Requests a connection.
Listens for a connection.
Rejects a connection request.
Disconnects and closes a connection.
Sends a datagram .
Queues buffer(s) to receive datagram .
Sends a message .
Queues buffer(s) to receive message.
Returns information about a status of a
connection.
Returns configuration data for a remote system.
Returns information about status of a connection.
Receives a message.
Maps a buffer for DMA transfer.
Unmaps a buffer for DMA transfer.
Sends data to remove host .
Requests delivery of data.
22-366