Star Micronics NX-15 user manual 10LPRINT Backspacedoesnot, Lprint Deletedoesnot

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trol the paper-out detector, along with the other codes that we have just looked at are in the following table.

	Table 6-1
Some miscellaneous commands
Function	Control code
Soundbell	CHR$(7)
Master rest	(ESC) “@”
Off line	CHR$(19)
On line	CHR$(17)
Paper-outdetector off	(ESC) “8”
Paper-outdetector on	(ESC) “9”
Moveprint head back one space CHR$(8)
Deletelast character sent	CHR$(127)
Canceltext in print buffer	CHR$(24)
Print “slash zero”	(ESC) “-”	1
Print “normalzero”	(ESC) “-”	O
Immediate-printon	(ESC) “i” 1
Immediate-printoff	(ESC) “i” O

Addn dotspacesbetweencharacters (ESC) CHR$(34CHR$(@

■Backspace, delete, and cancel text

Backspace (CHR$(8)) “backs up” the print head so that you can print two characters right on top of each other. Each time your printer receives a backspace it moves the print head one character to the left, instead of to the right. You can strike over multiple letters by sending more than one backspace code.

Delete (CHR$(127))also “backs up” one character, but then it “erases” the previous character (it’s erased from your printer’s buffer, not from the paper).

Cancel text (CHR$(24))deletes all the text in the print buffer; that is, in the line before the delete text command. Since your printer prints one line of text at a time, only that line will be deleted.

The following program shows how these codes works.

1“0LPRINT “BACKSPACEDOESNOT”;

20LPRINTCHR$(8) ;CHR$(8 ) ;CHR$(8) :

30LF’RINT“=== WORK”

40LPRINT “DELETEDOESNOT”;

50LPRINTCI-IR($127) ;CHR$( 127) ;CHR$( 127) ;

60LPRINT “WORK”

70 LPRINT “CANCELLINE”;