Code Input - Radio Shack 26-1190A Hardware Manual

Plotter printer. trs-80 micro computer system
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Pen
Positioning
(Alphanumeric mode)
1
.
At
rest
the
pen
is
positioned
in
the center
of
a character.
Example:
After
A
is
printed, the
pen
moves
to
the position
(J)
(24
steps
from
the
center
of
"A".
If
the
Printer receives a
full line
of
printable char-
acters
without
a carriage return,
it
will
perform
an automatic
line
advance
upon
receipt
of
the
next
printable character.
This
is
called
wraparound,
since
the text
automat-
ically
wraps
to the
next
line
without
loss
of
char-
acters.
At
81st position
of
one-fold character
wraparound
takes
place.
DEF
ABC
80th
character
3.
When
a
BS
(Back
Space,
CHR$
(8)
)
is
input
for
more
than the
number
of
spaces to the
left
margin,
the
pen
will
move
to the
left
margin, then the imaginary
pen
point
will
be
internally
set as
though
it
were
at
an imaginary
position represented
by
the
BS
spacing.
Example:
When
BS
is
input
three
times
after
A
is
printed,
the
pen
will
be
internally
set
to the equivalent
of "imaginary"
position (3)
.
A
Pen
Position
on Power-up
or
with
CR
Code
Input
The pen moves
to the
right
by
a
half-character
^pace and
then
will
write the
first
character transmitted.
8 [STEPS]
(Base
size
mode)
-10-

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