View – Measurement Computing Analyzer488 User Manual

Page 184

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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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