Less Optimized Curses

[Torkel Hasle]

In article <1990Nov13.090732 at mathcs.emory.edu> km at mathcs.emory.edu (Ken Mandelberg) writes:
>This is an expansion on a problem I posted earlier about curses screen
>update optimization. The issue concerns how clever curses is in updating
>a screen to a new screen whoose contents are vertically displaced one
>line. What I notice is that almost all versions of curses don't notice
>the relationshsip between the screens, and repaint everything. One version
>of curses does notice the relationship, and updates the screen using
>scrolling.
>

If you add the following line after initscr(), curses will use
hardware scrolling:

	idlok(stdscr,TRUE);

This is documented in the SVID issue 2.  Your example ran with
hardware scrolling on my machine (SVR3.1) when I added this line.

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