/* sync.c 4.1 83/03/09 */
* Make the screen & screen mode look like what it's supposed to.
* There are two basic things to do here, put the _pen
* in the right place, and make the line drawing mode be right.
* We don't sync the cursor here, only when there's user input & it's on.
if (_supx
!= _penx
|| _supy
!= _peny
) {
if (_supsmode
!= _actsmode
) {
switch (_actsmode
= _supsmode
) {