
Programming 3 – 9
Programming the printer
For each printing feature explained in this chapter, three different forms
of each code are listed as follows:
ASCII
Decimal
Hexadecimal
ESC 1
27 49
1B 31
Standard abbreviation
Standard presentation
Hexadecimal code used by
in ASCII-used for
of Decimal Code. A
some software packages to
reference
variation of the same
enter printing commands.
command is
A variation of the same
CHR$(27);CHR$(49)
command is CHR$(&H1B);
CHR$(&H31)
Carriage return and line feed
ASCII
Decimal
Hexadecimal
CR
13
0D
Carriage return tells the printer to print the line of data and returns the
print head to the left side of the page. IBM PC adds a line feed after a
carriage return unless 128 is added to the command. If you send a
CHR$(141), therefore the result is just a carriage return; for IBM SET 1
only.
ASCII
Decimal
Hexadecimal
L
F
10
0A
VT
11
0B
Line feed advances the paper one line; line spacing is 1/6 inch unless it
is reset.
Summary of Contents for 80 Series
Page 24: ...2 4 Operating Your Printer...