Loadinga 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 EditorlAssembler.
Youcan also create yourown
SYSTEM tapes, using the EditorlAssembler Package.
Before loading the tape, be sure the Computer's cassette speed matches that
of
the
recorded program.
1.
Prepare your recorder to
PLA
y the recorded cassette. Adjust the volume to the
level recommended
in
Figure 2.
2. Type:
SYSTEM
(ENTER)
The Computer will display the monitor mode prompt:
*?
3. Typein the
program's
file name. Forexample,
if
the program is named
EDTASM, you would type:
EDT
ASM
(ENTER)
TheComputerwill load the program. While the programis loading, two
asterisks will appearon the upper right
of
the Display. The one on the right will
flash after every 64th character
of
data is received.
4.
Whenthe Computerhas loaded the program, it will display another monitor
prompt:
*?
Whatyou do next depends on the programyou havejustloaded.
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
(BREAK).
C.
If
you want to run the machine-language program you just loaded, then type
in
a
slash
symbol"
I"
followed by the
"entry
address" and press
(ENTER),
or simply
type in the"
I"
and press
(ENTER).
Specific instructions will
be
provided with
the
SYSTEM tape.
6/5
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