scroll - (Ctrl + up/down)-style scrolling in Emacs

Question

I don't mean smooth scrolling, but keeping the cursor at a fixed point, and always moving one 'screenful', one line at a time, as one (in Eclipse or other IDEs) presses ctrl + up/down.

Then when one presses plain up/down, screen jumps if necessary in order to assure cursor's visibility.

Don't know how is it called.

Has it been implemented in Emacs?

Answer 1

As mentioned, Emacs does not offer this functionality nowadays. It could be implemented, but nobody bothered to do so yet, AFAIK [EDIT: actually, it looks like I mis-rememebered, and Martin did implement such a thing, see https://lists.gnu.org/archive/html/emacs-devel/2008-02/msg01892.html ]. The usual workaround is to place a mark with C-SPC C-SPC and then use C-u C-SPC when you want to return where you were.