ZiLOG System 8000 Hardware Reference Manual page 197

HRM Zilog HRM
5.9.4. Download Mode Command: Summary of Commands in Down-
load Mode are:
NAME
LOAD
PARAMETER
<filename)
Load S/W from System 8000
NOTE
Filenames can be specified in either uppercase or
lowercase. Filenames can be full path naunes.
LOAD stores data into segment
o.
Download Mode transfers data between the System 8000 and a
remote computer system. Channels A and B of the 3102 must
be set to the same baud rates when operating in Download
Mode. (The remote system is connected to TTYO on the rear
panel.) The LOAD program is required on the remote system to
perform download functions through console I/O.
The
Downloa~
Mode uses the Tektronix record format,
~hich
uses only ASCII characters.' Each record contains two che':Jl{-
sum values, a starting address, and a maximum of 30 bytes of
data. The format of the record is:
RECORDS
1
to n
<address(4» <count(2» <checksum1(2» <data(2» ...
<data(2» <checksum2(2» <carriage return)
where:
<address(4»:
<count(2»:
<checksum1(2»:
<data(2»:
Is the address of the first byte
of data in the record (address is
represented in four ASCII charac-
ter s)
is the number of <data) in current
record (two ASCII characters)
is the checksum for the address and
count field (two ASCII characters)
is the value of byte data (repre-
sented in two ASCII characters)
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