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Printer Control Codes
Printer control codes are special characters you have
your system send to your printer to get your data
printed the way you want it.
Each program you use has its own way of sending
r--,
printer control codes, so consult the manual that came
with your program to find out how to put these codes
into your data.
On the following pages are several examples of printer
control codes and how they are used with IBM Personal
Computer BASIC.
IBM Personal Computer BASIC uses the American
National Standard Code for Information Interchange
(ASCII) decimal values to send control codes to the
printer. ASCII decimal values are numbers assigned to
the control codes, and to all characters when data is
transferred from one machine to another. The ASCII
decimal values are shown in the "Character Set 1",
"Character Set 2", and" All Printable Characters"
tables, in the "Printer Control Code Quick Reference" ,
and in the "Printer Control Codes Definitions." Notice
that in the following examples, the numbers inside the
parentheses are the ASCII decimal values of the printer
control codes.
To send data directly to the printer using IBM Personal
Computer BASIC, you use the command LPRINT.
You use the label CHR$ followed by the ASCII
decimal value in parentheses to indicate the data you
want sent to the printer. Therefore, to send a printer
control code to the printer, you use LPRINT
CHR$(X), where X is the ASCII value of the control
code.
1-88 Color Printer
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