55
Table
Vertical tab commands
Function | Control code |
Advance paper to next tab position CHR$(ll)
(ESC) “B” CHR$(nl) CHR@zZ).....
Set vertical tabs at nl, n2, etc. CHR$,O1
Set vertical tabs every n lines | (ESC) | “e” 1 CHR$(n) |
(ESC) | “f” 1 CHR$(n) |
nVertical tab channels
Vertical tab channels are especially hefpful in two situations. The first occurs when you are writing a program to accompany
a preprinted form that can accommodate verious types of responses. The second occurs when you create a multipage form or report with different vertical tabs on each page.
| Table |
Vertical | tab channel commands |
Function | Control code |
Set vertical tabs at n.2, n.2, etc. as (ESC) | “b” CHR$(nO) CHR$(nl) | |
channel nO | CHR$(nZ) ..... CHR$(O) _ | |
Select vertical channel nO | (ESC) | “/” CHR$(nO) |
You can store up to eight channels of tab stops. They are numbered from 0 to 7. If you have already stored a set using (ESC) “B” command, your printer has labelled it as channel 0.
Try this program how to see the vertical tab channels work.
10 ’ Demo of vertical tab channels