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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
®
----------
Sets
the
three
specified
pixels
ON
(through
the
three
PRESET
statements),
pauses,
and
then
turns
the
three
pixels
OFF.
PRESET(3~~~,l~~~),1
The
values
for
(~)
are
accepted,
but
since
the
coordinates
are
beyond
the
parameters
of
the
screen,
the
point
is
not
PRESET.
PRINT
+-3,
Write
Text
Characters
to
the
Graphics
Screen
PRINT
#-3,
is
used
to
write
text
characters
to
the
Graphics
Screen.
This
is
the
easiest
way
to
display
textual
data
on
the
Graphics
Screen.
Characters
are
displayed
starting
at
the
current
Graphics
Cursor
and
going
in
the
direction
specified
by
the
most
recently
executed
GLOCATE
command.
If
a
GLOCATE
command
was
not
executed
prior
to
the
PRINT
#-3,
command,
a
direction
of
~
is
assumed.
PRINT
#-3,
will
only
print
text
characters
(see
Appendix
C
of
the
Model
III
Operation
and
BASIC
Language
Reference
Manual).
Each
character
displayed
in
the
~
or
2
direction
uses
an
8 X 8
pixel
grid;
each
character
displayed
in
the
1
or
3
direction
uses
a
16
X 8
grid.
Executing
this
command
will
position
the
Graphics
Cursor
to
the
end
of
the
last
character
that
was
displayed.
Displaying
text
in
direction
~
engages
a
wraparound
feature.
If
the
end
of
a
line
is
reached,
BASICG
will
continue
the
----------lIadlelllaell----------
-43-

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Radio Shack Telephone Interface II Specifications

General IconGeneral
BrandRadio Shack
ModelTelephone Interface II
CategoryDesktop
LanguageEnglish

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