
Section 4 Serial Controller
4.90
VIEW
The
VIEW
command returns data from the bus or the record memory in machine
readable format. Blocks of data can be viewed by specifying a memory location, a
starting and ending memory location, or a starting location and a length. If
VIEW
[location]
is sent, issuing the
VIEW
command without an option returns record
memory data from the next record memory location (
location + 1
).
The
VIEW BUS
command returns data from the bus without performing a
handshake.
This command does not have a query option
TYPE Record command
SYNTAX VIEW
or
VIEW [location]
or
VIEW [location] TO [location]
or
VIEW [location] LENGTH [count]
or
VIEW BUS
location is an address of the record memory from 0 to 32767 if
absolute addressing is used, and from -32767 to 32767 if relative
addressing is used.
count
is the number of locations to
VIEW
, from 1 to 32768.
RESPONSE If
VIEW BUS
is issued, response is the word
BUS
followed by a
four digit hex number. The first two digits show the state of bus
management and handshake lines. The second two digits show the
state of bus data lines.
If
VIEW location
is issued, response is record memory location
followed by a four digit hex number. The first two digits show the
state of bus management lines and whether the location contains
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