IBM Proprinter

Code
NUL
SI
-
'---
so
-
'--
Description
Null
The
printer
ignores
a
NUL
control
code
.
LPRINT
CHR$(0);
Condensed
Printing
This
control
code
causes
the
printer
to
begin
condensed
printing.
Character
spacing
in
condensed
printing
is 17.1
characters
per
inch.
The
DC2
control
code
cancels
this
mode,
and
returns
spacing
to
10
characters
per
inch.
LPRINT
CHR$
( 15 ) ;
or
,
LPRINT
CHR$
(27)
;CHR$ (1
5)
;
Double-
Wide
Printing
by
Line
Causes
the
printer
to
start
double-wide
printing.
Double-wide
printing
prints
the
characters
twice
as
wide
as
the
current
character
spacing.
This
results
in
half
as
many
characters
per
inch.
Each
character
takes
up
the
space
of
two
tab
positions.
A
Carriage
Return,
Cancel,
Line
Feed,
Form
Feed,
Vertical
Tab
,
ESC
W,
or
DC4
cancels
the
SO
control
code.
LPRI
NT
CHR$(14);
or
,
LPRINT
CHR$(27
)
;CHR$(14
) ;
4-7