ZiLOG System 8000 User Manual page 40

Zeus operating system manual
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USER
30
Zilog
USER
remote
system
if the escape (ESC) key is pressed, aborting
the loading process.
The Monitor Program
then
returns
to
Monitor
Mode for the next command.
The address used in the
data record during the loading process is
provided
by
the
file
description
record;
it
must
be
greater than %4000
(%2000 through %4000 are used by the Monitor Program).
COMMAND DESCRIPTION
LOAD
Syntax:
LOAD <filename>
Description:
This command downloads a Z8000 program named <filename> that
resides in the remote system.
The Moniter Program transmits the exact command line to
the
remote
system.
The command causes a remote procedure file
(LOAD) to
be
executed,
to
open
the
file
specified
by
<filename>.
The
binary
data
in the file is converted to
Tektronix record format and transmitted to the
S8000.. The
Monitor
Program
verifies
the
two
checksum values in the
receiving record and stores the data in RAM memory as speci-
fied by the address indicated in the record.
An acknowledg-
ment from the S8000 causes the next record to be
downloaded
from
the remote system.
A nonacknowledgment from the S8000
causes the current record to
be
retransmitted
up
to
ten
times,
after
which a record with an error message is sent,
and the Monitor Program returns to Monitor Mode.
The
LOAD
program
in
the
remote
system
is also aborted.
When the
loading process is completed, the entry
point
received
on
the first record is displayed.
Pressing ESC aborts the LOAD
command.
Any breakpoints set from a previous
program
must
be
cleared
before
a new program is loaded from the remote
system.
Zilog
. 30

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