55

Table 4-9

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)

One-time vertical tab

(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 4-10

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

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Image 61
Star Micronics NP-IO manual CHR$n