Intermec CV30 Intermec Terminal Emulator (ITE) Programmer's Reference Manual - Page 71

Erasing Sequences, action taken by the computer.

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Chapter 2 - About VT/ANSI Programming Erasing Sequences Erasing deletes characters in the computer display without affecting other characters. Erased characters are lost. Cursor positioning does not change when characters or lines are erased. The following table lists erasing sequences and the action taken by the computer. Erasing Sequences Name (Mnemonic) Erase character (ECH) (Applies to ANSI, VT220, VT320, VT340 modes. Ignored in VT100 mode.) Erase in line (EL) Sequence CSI Pn X CSI K CSI 0 K CSI l K Erase in display (ED) CSI 2 K CSI J Erase in display (ED) CSI 0 J CSI 1 J CSI 2 J Selective erase in line (DECSEL) CSI ? K CSI ? 0 K CSI ? 1 K CSI ? 2 K Selective erase in display CSI ? J (DECSED) CSI ? 0 J CSI ? 1 J CSI ? 2 J Action Erases characters at the cursor position and the next Pn-1 character. A parameter of 0 or 1 erases a single character. Character attributes are set to normal. No reformatting of data on the line occurs. The cursor remains in the same position. If erasure mode (ERM) is reset, ECH cannot erase protected characters. Erases from the cursor to the end of the line, including the cursor position. Line attribute is not affected. If erasure mode (ERM) is reset, EL cannot erase protected characters. Same as CSI K. Erases from the beginning of the line to the cursor, including the cursor position. Line attribute is not affected. Erases the complete line. Erases from cursor to the end of display, including the cursor position. Line attribute is single-height, single-width for all completely erased lines. If erasure mode (ERM) is set, ED cannot erase protected character positions. Same as CSI J. Erases from the beginning of the display to the cursor, including the cursor position. Line attribute becomes single-height, single-width for all completely erased lines. Erases complete display. All lines are erased and changed to single-width. The cursor does not move. Ignored by the computer. Ignored by the computer. Intermec Terminal Emulator (ITE) Programmer's Reference Manual 59

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Chapter 2 — About VT/ANSI Programming
Intermec Terminal Emulator (ITE) Programmer’s Reference Manual
59
Erasing Sequences
Erasing deletes characters in the computer display without affecting other
characters. Erased characters are lost. Cursor positioning does not change when
characters or lines are erased. The following table lists erasing sequences and the
action taken by the computer.
Erasing Sequences
Name (Mnemonic)
Sequence
Action
Erase character (ECH)
(Applies to ANSI,
VT220, VT320, VT340
modes. Ignored in
VT100 mode.)
CSI Pn X
Erases characters at the cursor position and the next Pn-1 character. A parameter of 0
or 1 erases a single character. Character attributes are set to normal. No reformatting
of data on the line occurs. The cursor remains in the same position. If erasure mode
(ERM) is reset, ECH cannot erase protected characters.
Erase in line
(EL)
CSI K
Erases from the cursor to the end of the line, including the cursor position. Line
attribute is not affected. If erasure mode (ERM) is reset, EL cannot erase protected
characters.
CSI 0 K
Same as CSI K.
CSI l K
Erases from the beginning of the line to the cursor, including the cursor position.
Line attribute is not affected.
CSI 2 K
Erases the complete line.
Erase in display
(ED)
CSI J
Erases from cursor to the end of display, including the cursor position. Line
attribute is single-height, single-width for all completely erased lines. If erasure mode
(ERM) is set, ED cannot erase protected character positions.
Erase in display
(ED)
CSI 0 J
Same as CSI J.
CSI 1 J
Erases from the beginning of the display to the cursor, including the cursor position.
Line attribute becomes single-height, single-width for all completely erased lines.
CSI 2 J
Erases complete display. All lines are erased and changed to single-width. The cursor
does not move.
Selective erase in line
(DECSEL)
CSI ? K
CSI ? 0 K
CSI ? 1 K
CSI ? 2 K
Ignored by the computer.
Selective erase in display
(DECSED)
CSI ? J
CSI ? 0 J
CSI ? 1 J
CSI ? 2 J
Ignored by the computer.