OPERATION
Loading
a
SYSTEM Tape
In addition to
BASIC
programs,
you
may load machine-language programs from
tape. Such programs
are stored
in
a different
format on
the tape;
we
call them
SYSTEM tapes. Radio Shack sells several machine-language programs
on cassette,
for example, Micromusic
and Editor/
Assembler.
You can also create
your own SYSTEM tapes , using
the Editor/Assembler
Package
.
Before loading the
tape, be sure
the Computer's cassette speed matches that
of
the
recorded
program.
1 . Prepare
your recorder to PLAY
the recorded
cassette.
Adjust the volume to the
level
recommended in Ficure 2.
2. Type:
SYSTEM
(ENTER)
The
Computer will display the monitor
mode prompt:
3 . Type in
the
program '
s
file name . For example , if the
program
is named
EDTASM, you would
type:
EDTASM nENTERl
The Computer will load the program.
While
the
program is loading, two
asterisks will appear on the upper right of
the Display. The one on
the
right
will
flash after every
64th
character of data is
received.
4. When the Computer has loaded the
program, it will display another monitor
prompt:
What you do next depends
on the program you have just loaded
.
A. If you want to load another program,
then prepare the next cassette
tape and
repeat
Step 3.
B. If
you
want
to
return
to BASIC,
then press CBREAK) .
C. If you want to run the machine-language
program you just loaded, then type in
a
slash symbol
"/"
followed
by
the "entry
address" and press
(ENTER)
,
or simply
type
in the
"/"
and press (ENTER) . Specific
instructions will
be
provided
with
the
SYSTEM tape.
33
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