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Display Memory Functions
Step 1. Turn off forms mode (ESC X).
Step 2. Position the cursor at column 1 of line 4.
Step 3. Send ESC [ to define the beginning of an
unprotected field.
Step 4. Send ESC 6 to define an alphabetic field.
Step 5. Move the cursor to column 6 of line 4.
Step 6. Send ESC 8 to define normal alphanumeric data.
Step 7. Move the cursor to column 10 of line 4.
Step 8. Send ESC] to end the unprotected field.
Step 9. Turn on forms mode (ESC W).
When a number is typed in the alphabetic field the
keyboard is locked, the terminal beeps, and the cursor
remains under the invalid character. Press the
B
key
to unlock the keyboard. The operator can then make the
correct entry.
The numeric character may be left in the alphabetic field
by moving the cursor to the next character position using
the cursor control keys. This has the effect of overriding
the data check.
I
CAUTION
I
Deleting characters while in Forms
Mode can destroy the data checking field
or alter the unprotected field length.
Use ~~;~~ (ESC
J)
or
8
~~;~~
(ESC
K) to delete information.
TABBING
Tabs are automatically set at the beginning of each
unprotected field when Forms Mode is turned on; any tabs
set previously are ignored. When Forms Mode is turned
off, any previously set tabs are reinstated. Tabs cannot be
set within any unprotected field.
EDITING
While in Forms Mode, the unprotected fields can be edited
(inserting and deleting characters). The INSERT LINE
and DELETE LINE functions are disabled in Forms Mode.
INSERTING CHARACTERS. Characters may be
inserted in any unprotected field by turning on Insert
Character Mode (ESC Q). Characters received or typed are
inserted at the cursor position. Characters moved out of
the end of the unprotected field are lost.
Insert Character with Wraparound acts the same as insert
character without wraparound explained above (the
wraparound function has no effect).
2-8
DELETING CHARACTERS. Characters may be
deleted in any unprotected field by the Delete Character
function (ESC P). The character at the cursor position is
deleted and all characters to the right of the deleted
character in the field are moved left one column.
Delete Character with Wraparound acts the same as
delete character without wraparound explained above (the
wraparound function has no effect).
Characters may be deleted from the current cursor
position to the end of the field by sending ESC K (clear to
end of line). Also, characters may be deleted from the
current cursor position to the end of the last field by
sending ESC J (clear display).
BUILDING THE FORM
Appendix A contains a method for building forms using
the cartridge tapes and soft keys.
SENDING DATA TO THE COMPUTER.
Refer to "Block Mode", page 5-9.
DISPLAY ENHANCEMENTS
The standard terminal can display data using inverse
video (black on white). In addition, if your terminal has
the 13231A Display Enhancement accessory you can also
use half bright, underline, and blinking characters. Each
character position on the screen can be displayed with
various combinations of these features.
•
Half Bright -
characters are displayed at half
intensity (grey).
•
Underline -
an underline is displayed below the
normal character.
•
Inverse Video - the screen is white and characters
are black.
•
Blinking -
characters including the inverse video,
underline, and half bright features blink.
The display enhancements are used by assigning one or
more of them to a field. The selection sequence is: ESC & d
<
enhancement character>.
The enhancement character (@, A through
0)
is used to
select the combination of display enhancements to be
assigned to the field. The following table lists the
enhancement character for each of the combinations. The
field is ended by selecting another enhancement, the end
of the current line, or by ESC & d@.
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