Screen Format
The IBM Personal Computer Display has 25 lines of 80
characters each. Once you have established a local
VM/PC
session or a remote 3277 session, the first 24 lines will look
exactly like a 3277 display screen.
The 23rd and 24th lines are the place
on
the screen where
you enter commands which allow you to tell the computer
what you want it to do. This place
is
called the input area.
The kinds of commands you may use are described in
Chapters 5 thru
7.
The 24th line looks like this:
STATUS
Scroll:
The
end
of the 24th line
is
reserved for screen scroll
commands
and
status notices.
Note: You can enter commands in
both
the input area and
the scroll area. When you press
ENTER,
both
commands
will
be
executed.
Screen Scroll
The Screen Scroll facility allows you to look at data which
was
on
your screen
but
has been erased. All transactions to
and
from the terminal (write output and read input) are
saved in a terminal history buffer. As this information
is
scrolled off the display by the
CLEAR
key,
PA2
key, or the
Diagnose 58 erase option, it
is
not lost
but
placed in the
terminal history buffer.
The history buffer may be viewed any time the Local 3277
Session
is
active. The screen scroll commands are entered in
the
Scroll: area at the end
of
the 24th line. The screen scroll
commands are:
F[nn] - scrolls the history view so that more recent
information
is
displayed (forward in time). The option
Chapter 4. Getting Started
4-15
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