Table of Contents
Advertisement
Margins are cleared or changed by setting new margins
(or a full reset) or by entering forms mode, where the
margins are reset to columns 0 and 79.
Thi!5 i!5 an example u!5ing margin!5 to cont
rol data entry.
2
o
column number!5
3 4 5
0 0 0
6
o
Display Memory Functions
in this mode characters that overflow a line due to
insertion are moved to the next line. Sending ESC R
returns the terminal to normal operation.
If the current line is full and additional characters are
inserted, they will push characters from the end of the
first line to the beginning of the next line. If the second
line becomes full while the cursor is still in the first line, a
blank line will be inserted between line one and two. The
characters overflowing line one will then be entered on the
new line.
EDIT OPERATIONS
The terminal allows you to edit data displayed on the
screen. This can be done by simply overstriking the old
data. In addition, several edit operations are available.
These edit operations are listed in table 2-2.
INSERT CHARACTER WITH WRAPAROUND
You can insert characters with wraparound by sending
ESC N. This will cause the
~
indicator to blink. While
CHAR
DELETE CHARACTER WITH WRAPAROUND
When characters are deleted using ESC 0, one character
from the left margin on the next line is moved up to the
right margin of the line containing the cursor. If the next
line is blank, no wraparound is performed.
When margins are used together with the Delete
Character and wraparound operations, the characters to
the right of the cursor are moved as shown in figures 2-3
and 2-4.
FUNCTION
Insert Line
Delete Line
Insert Character
Insert Character with
Wraparound
Delete Character
Delete Character with
Wraparound
CODE
ESC L
ESC
M
ESC
Q
ESC N
ESC R
ESC P
ESC 0
Table 2-2. Edit Operations
DESCRIPTION
The line containing the cursor and all lines below it are rolled down one line.
A
blank line is inserted where the line containing the cursor was. The cursor
is moved to the left margin of the blank line.
The line containing the cursor is deleted. The lines below the cursor are
rolled up and the cursor is positioned at the left margin.
Turn on Insert Character Mode (and indicator). New characters will be inserted
in the line at the current cursor position. Characters that are moved past the
right margin are lost.
Turn on Insert Character with Wraparound (indicator blinks). Characters
extending beyond the right margin are wrapped to the next line. Refer
to the User Manual for additional information.
Turn off Insert Character Mode (and indicator).
The character at the current cursor position is deleted. Characters to the right
of the cursor are moved· one column to the left (see figure 2-2).
The character at the cursor is deleted. Characters from the next line are
wrapped to the end of the current line (see figure 2-3).
2-5
Advertisement
Table of Contents
