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Radio Shack Telephone Interface II Manual

Radio Shack Telephone Interface II
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Organization
of
Program
Memory
^
-,
When
loaded
with
programs,
the
program
memory
changes
as
follows:
An
input
is placed
(on
a
1-character
=
1-step
basis)
in
the
input
buffer,
when
ENTER
is
pressed
the
input
is
written
in
the
program
memory
(after
being
converted
into
the
form
of
1
-instruction
=
1-step).
Input
buffer
line
10
ENTER
line 10
line
20
ENTER
line
10
line
20
line
30
ENTER
line 40
ENTER
line
10
Jine 10
line
20
line
20
line
30
line
30
line 40
i
One
line
of
a program
can
hold
a maximum
of
80 steps
(1
step
=
1
character)
Lines
are
stored in
numerical
order
into
the
program
memory
(even
if
not
entered
in
numerical
order).
line
30 line 10
line 30
line 10
line
10
line
30
line 20
line 40
line
30
line
40
However,
the real
program
memory does
not
have
a
separate
storage
area
for
every
line
as
shown
above,
but
stores
programs
step by
step in
a
row;
your
Computer
has
a
capacity
of
1424
steps.
1
2
3 4
5 6 7
8
9
10
11
12
13
14
15
16
Line
:
no.
1i0
j
INPUT
A
;
>
B
JENTER:
Line; no.
-
2
JO
C
=
/
(
'
A *
A
-
17
18
19
20
22
23 24
25
26
V
28
29
30 -step
+
B
B
ENTER
Line
3
no.
PRINT
ENTER:
Line
4
no.
END
enter;
(
3. Checking
stored
programs
You
should
always
check
that
programs
are
properly
stored.
Whenever
programs
are
input via
the
keyboard,
the
Computer
displays
them
(permitting
you to
check
each
input).
After
you
finish
writing
a
program,
you can check
it
as follows:
(3)
Select
the
PRO
mode.
©
Recall
the
line
you
want
to check,
by
pressing
the
d]
or
CD
key.
Or
recall
the
intended
line with a
LIST
command.
(Refer to
page
72.)
36

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Radio Shack Telephone Interface II Specifications

General IconGeneral
BrandRadio Shack
ModelTelephone Interface II
CategoryDesktop
LanguageEnglish

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