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IBM Proprinter

IBM Proprinter
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Code
ESC
K
ESC
L
4-18
Descr
iption
For
example:
If
v
1
is
binary
10000000
(decimal
128),
only
the
top
dot
prints;
if
v
1
1s
binary
00000001
(decimal
01),
only
the
bottom
dot
prints;
and
if
v
1
is
binary
11111111
(decimal
255),
all
eight
dots
print.
LPRINT
CHR$(27)
;CHR$(75)
;CHR$(n
1
);
CHR$
( n
2
)
;CHR$
(v
1
)
;CHR$
(v
2
);
CHR$
(v
480
);
or,
LPRI
NT
CHR$
(27)
;
"K"
;CHR$
(n
1
) ;
CHR$
(n
2
)
;CHR$
(v
1
)
;CHR$
(v
2
);
CHR$
(v
480
) ;
960
Bit
-
Image
Graphics
(half
speed)
Format:
ESC
L;n
1
;n
2
;v
1
;v
2
;
•••
v
960
For
improved
print
quality
(and
to
print
adjoining
dots),
ESC
L
prints
at
half
the
speed
of
480
bit-image
graphics
(ESC K).
The
printer
can
print
960
dot
columns
on
an
8-inch
line
,
at
254
mm
(10 in.)
per
second.
n
1
,
n
2
,
v
1
,
and
v
2
through
v
960
represent
the
same
values
as
in
480
bit-image
graphics
(ESC K).
The
total
number
of
bit-image
data
bytes
is
equal
to
n
1
+
(n
2
x 256)
and
cannot
exceed
960
(the
total
number
of
dot
positions
in
an
8-inch
line).
For
example
,
to
print
960
dot
columns,
n
1
=
192
and
n
2
=
3.
Refer
to
the
description
of
ESC K
for
the
meaning
of
the
values.
The
printer
discard
s
any
data
bytes
over
the
amount
of
960.
LPRINT
CHR$(27)
;CHR$(76)
;CHR$
(n
1
) ;
CHR$
(n
2
)
;CHR$
(v
1
)
;CHR$
(v
2
) ;
•..
CHR$
(v
960
) ;
or,
LPRINT
CHR$
(27)
;
"L"
;CHR$
(n
1
) ;
CHR$
(n
2
);
CHR$
(v
1
) ;
CHR$
(v
2
) ;
CHR$
( v
960
) ;

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