Dynapro Technologies Dynapro ET TCS, Application Developer'S Manual

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5-79
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The Origin Mode command sets or resets the Origin Mode. The Origin Mode performs three
functions: it determines whether the lines of the screen are numbered relative to the screen as a
whole or relative only to the scrolling region; whether the cursor can be moved out of the
scrolling region; and whether the Erase in Display and Region commands affects the entire
screen or only the scrolling region. (Also refer to "Scrolling Region Command" in this chapter.)
When Origin Mode is reset (off):
•
Line numbering begins with line 1 at the top of the screen and continues through line 24 at
the bottom of the display.
•
The cursor can be moved out of the scrolling region, but only by a Move Cursor to Absolute
Position command sent by the host. (Refer to Move Cursor to Absolute Position Command
later in this chapter.)
•
The Erase in Display and Region commands affect the entire screen.
•
The cursor is moved to the absolute home position of the entire display. The home position is
at the upper-left character position of the screen.