NT960 ISA Serial I/O Line Editing under QNX2.xx

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Title: NT960 ISA Serial I/O Line Editing under QNX2.xx
Keywords: NT960 QNX2
Author: KAM
Date: Oct 6 94
KDB Number: kdb-064
Dist: External


Under QNX 2.xx the NT960 utilizes an enhanced command line editor
for terminals connected to the NT960 ACM ports.

Special features of NT960 firmware fqni0005.hex
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The Nt960 firmware has a 20 line, 512 character per line, command line
buffer, it's special editing features are enabled when the +edit option
is used. The command line is not passed to QNX2 until the enter (return)
key is hit.

Backspace key
-The backspace key works at the end of a line or within the
command line. Depressing the key will delete characters to the
left of the cursor and will move the preceding characters to
the left. The command prompt can not be deleted, a warning bell
will sound indicating the beginning of line.

Right and Left arrows
-Depressing these keys allow the user to navigate the cursor
from left to right, within the command line. A beep is issued
if you attempt left at the beginning of a line or right at the
end of a line.

Up and Down arrow keys
-The up and down keys allow the user to scroll thru the
20 line command line buffer. When the oldest command line
is reached or the newest line in the line buffer is reached
a beep is sounded.

Insert key
-Depressing the Insert key will place a "<<" character on the
terminal screen indicating "insert mode". The user can now
insert characters into the command line. Depressing the key
again, will remove the "<<" character and discontinue insert
mode.

Home key
-The home key will place the cursor at the beginning of a line.

End key
-The end key will place the cursor at the end of a line.

Page up
-Will get the oldest command line from the line buffer.

Page down
-Will get the most recent line entered in the line buffer.
This will be blank line if no characters have been entered
since the last return.

Delete key
-When within a command line the delete key will delete
characters and move the preceding characters to the left.