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Printer Commands
4 -14
You can send additional commands from your computer to your
printer to
control
your printer's operation. Some of these commands
are single codes and are cal led printer control
codes.
Others
combine several codes or characters and are called escapement
sequences.
On the following pages you wi
ll
fi nd:
•
A Quick Reference section
of
charts which lists
the
control codes
and escapement
sequences
by major printer
function;
for
example, horizontal
movement
commands. You may want to
keep
this section handy for future
reference.
•
A Printer Control Code and Escape Sequence section which
lists
each control
and escapement sequence
in
ASCII decimal numeric
order.
Note: For IBM BASICA 2.0 and 2.1 users:
This BASIC version
traps the
code point
X' 1A"
and does not allow it to be sent across
the
parallel bus to the printer. This may
cause
problems in
com-
mands
such as:
Set Horizontal Tab
Stops,
Set Vertical Tab
Stops, Bit Image Printing, Character Font Image
Download,
Print
Next Character, Print All Characters, Space Forward
,
Space
Backward, Set Page Length, Set Skip Perforation, Set Horizontal
Margins, Set Vertical Margins. You may have
to
use a different
command
sequence or use a
version
of DOS which has a BASICA
release level
of
1
.0,
1
.1,
or 3.0 or higher.
•
A Printer Table section which illustrates the code point
and char-
acter relationship for the embedded
fonts.
•
A
Programming Reference section.
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