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Radio Shack Telephone Interface II Operation Manual

Radio Shack Telephone Interface II
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Computer
Graphics
Operation
Manual
-----------TRS-BO
®
----------
4
SCREEN
~
5
CLR
l~
FOR
X=l~
TO
2~~
STEP
l~
2~
CIRCLE
(3~~,1~~),X,1",.9
3~
NEXT
X
4~
FOR
Y=l~
TO
2~~
STEP
l~
5~
CIRCLE
(3~~,1~~),Y,1",.1
6~
NEXT
Y
7~
FOR
Z=l~
TO
2~~
STEP
l~
8~
CIRCLE
(3~~,1~~),Z,1",.5
9~
NEXT
Z
l~~
GOTO
5
A
set
of
2~
concentric
ellipses
is
drawn
with
a
major
axis
on
Y,
a
set
of
2~
concentric
ellipses
is
drawn
with
a
major
axis
on
X,
and
a
set
of
2~
concentric
circles
is
drawn.
The
ellipses
and
circles
in
each
of
the
three
groups
are
concentric
and
the
radius
varies
from
l~
to
2~~.
CLR
Clears
the
Graphics
Screen
CLR
clears
the
Graphics
Screen.
Example
l~
SCREEN
~
2~
CIRCLE(32~,l2~),1~~,l
This
program
line
will
draw
a
circle.
Now
type:
CLR
<ENTER>
and
the
Graphics
Screen
will
be
cleared
but
the
Text
Screen
will
remain
unchanged.
This
can
be
seen
by
typing:
SCREEN
1
----------lIadI8I11aell----------
-23-

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Radio Shack Telephone Interface II Specifications

General IconGeneral
BrandRadio Shack
ModelTelephone Interface II
CategoryDesktop
LanguageEnglish

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