Display Data Stream—Chapter 6
275TE 2000
5250 Terminal Emulation Programmer’s Guide
Results
The following conditions govern the Roll command:
S Lines vacated due to the Roll are not cleared to nulls.
S Format table is not changed (could cause bizarre results).
Note: If display does not conform to the format table, roll should not be
done.
S Rolled over data is lost.
S The lines rolled out of the area are lost (cannot be rolled back onto
screen).
S The state of the keyboard is not affected.
S Pending AID bytes are not affected.
S The following conditions cause parameter errors:
A top line of zero.
A top line greater than or equal to the display length.
A bottom line of zero.
A bottom line greater than the display length.
A top line greater than or equal to the bottom line.
A roll area greater than the bottom line minus the top line.
A scroll distance of zero has no effect on the display.
To Next Page
Loading...
