Commodore 128 - Using the ESC Key to Create a Window

Here is a sample program that creates four windows on the
screen, in either 40- or 80-column format.
Using the ESC Key to Create a Window
To set a window with the ESC (Escape) Key, follow these steps:
1. Move the cursor to the screen position you want as the
top left corner of the window.
2. Press the ESC key and release it, and then
press T.
3. Move the cursor to the position you want to be the bottom
right corner of the window.
4. Press ESC and release, then B. Your window
is now set.
You can manipulate the window and the text inside using the
ESC key. Screen editing functions, such as inserting and deleting
text, scrolling, and changing the size of the window, can be
performed by pressing ESC followed by another key. To use a
specific function, press ESC and release it. Then press any of the
following keys listed for the desired function:
@ Erase everything from cursor to end of screen window
A Automatic insert mode
B Set the bottom right corner of the screen window (at the
current cursor location)
C Cancel automatic insert mode
D Delete current line
E Set cursor to non-flashing mode
F Set cursor to flashing mode
G Enable bell (by Control-G)
H Disable bell
I Insert a line
J Move to the beginning of the current line
K Move to the end of the current line
L Turn on scrolling
M Turn off scrolling
N Return to normal (non-reverse video) screen display (80-
column only)
O Cancel insert and quote modes
P Erase everything from beginning of line to the cursor
5-15