IBM 4400 Vertical Tab Set/Clear

Vertical Tab Set/Clear
147
Vertical Tab Set/Clear
ASCII Code ESC B n1 n2 n3 ... nk NUL
Hex Code 1B 42
n1 n2 n3 ... nk 00
Dec Code 27 66
n1 n2 n3 ... nk 0
Purpose Sets vertical tab positions.
where:
n1 through nk specifythe line number for the vertical tab(s), for a
maximumof 64 tab positions. NUL must be used as the
sequence terminator.
Comment The physical position on the paper is the product of
n and the
current line spacing. Subsequent line spacing changes alter the
tab position. If the value of
n defines a tab stop that exceeds the
forms length, that tab position is ignored.
Vertical tab positions are set by control code ESC B a nd
executed by control code VT. The tab positions must be in
ascending order or the sequence terminates. More information
on Proprinter XL vertical tab setting is provided in Chapter 9,
“Vertical Page Formatting.”
If the ESC B command is followed immediately by a NUL, the
vertical tab positions are cleared.
Example The following sample illustrates vertical tab setting.