IBM 4400 User Manual
Space
73
Space
ASCII Code SP
Hex Code
20
Dec Code
32
Purpose
Produces a blank space; no character is printed.
Comment
It is not necessary to pad the end of the print line with space
characters. The printer automatically fills the line after the line
terminator is received.
characters. The printer automatically fills the line after the line
terminator is received.
The Space character code is also used to skip characters for
editing and underlining as described on page 63.
editing and underlining as described on page 63.
Underline
ASCII Code Underline key ( _ )
Hex Code
5F
Dec Code
95
Purpose
Underlines specified character positions.
Comment
To underline characters, the print buffer is first loaded with the
character line; then the line must be terminated with a Carriage
Return code. Spaces are then loaded in the buffer at positions
not to be underlined and the underline code inserted in the
specific positions to be underlined. Table 15 illustrates
underlining.
character line; then the line must be terminated with a Carriage
Return code. Spaces are then loaded in the buffer at positions
not to be underlined and the underline code inserted in the
specific positions to be underlined. Table 15 illustrates
underlining.
Table 15. Underline Example
Enter in Print Buffer
Printed Result
THE 600 PRINTER
(CR)
SSSS___
(LF)
THE 600 PRINTER
Key:
S = Space (hex 20);
LF = Line Feed (hex 0A);
CR = Carriage Return (hex 0D)
_= Underline (hex 5F)
LF = Line Feed (hex 0A);
CR = Carriage Return (hex 0D)
_= Underline (hex 5F)