Star Micronics SB-15 user manual Changing the page Length

I.- !:

The form feed (CHR$( 12)) in line 50 caused the printer to move to the top of a new page before printing the last two lines.

A note to TRS-80 users: CHR$(12) is a problem code for the TRS-80. To send a form feed command to SD-lo/l 5 you must add 128 to it making it CHR$(140). Use CHR$( 140) where we use CHR$(12) in these programs.

CHANGING THE PAGE LENGTH

You may have some computer forms that you wish to use with SD-lo/l 5 that are not 11 inches high. That’s no problem, because you can tell SD-lo/l 5 how high the forms are that you are using. There are two commands for doing this, shown in this table:

	Table	6-3
Form	length	commands
Function	Mode	Control code
Set the page length to n lines	STAR	<ESC>	“C” CHR$@)
	IBM	<ESC>	“c”	CHR!$(n)
Set the page length to n inches	STAR	< ESC >	“c”	CHR$(O) CHR!$(n)
	IBM	< ESC >	“c”	CHR$(O) CHR$(n)

.-

-

-

-

-

-

-

_-

-

Let’s set up a 7 inch high form length, which is typical of many computer checks. The following program will do it.

10 'Demo variable form lengths.

241LPRINT CHR$(27) "C" CHR$(@) CHR$(7) ; 'Form length inches.

34)LPRINT "Pay to the order of:”

40 LPRINT CHR$(12) ; 'Form feed.

50 LPRINT "Pay to the order of:"

-

7

-

-

This program should print “Pay to the order of:” twice, and								--
they should be 7 inches apart. Line 20 sets the form length to 7								..
inches. After line 30 prints, line 40 sends a form feed advance
the paper	to the	top of	the next	form.	Line 50 then	prints	its	-
message.
After you have run this program, turn off the printer and adjust								-
the top of	form	position.	When	you	turn the printer	back	on
the page length will be reset to its normal setting (usually 11
inches).								-

56