Do not set dirty flag twice in tscrollup and tscrolldown.

1 files changed, 1 insertions, 3 deletions

diff --git a/st.c b/st.c
index d188b35..dffa84e 100644
--- a/st.c
+++ b/st.c
@@ -1398,9 +1398,8 @@ tscrolldown(int orig, int n) {
 
         LIMIT(n, 0, term.bot-orig+1);
 
-        tclearregion(0, term.bot-n+1, term.col-1, term.bot);
         tsetdirt(orig, term.bot-n);
-        tsetdirt(orig+n, term.bot);
+        tclearregion(0, term.bot-n+1, term.col-1, term.bot);
 
         for(i = term.bot; i >= orig+n; i--) {
                 temp = term.line[i];
@@ -1418,7 +1417,6 @@ tscrollup(int orig, int n) {
         LIMIT(n, 0, term.bot-orig+1);
 
         tclearregion(0, orig, term.col-1, orig+n-1);
-        tsetdirt(orig, term.bot-n);
         tsetdirt(orig+n, term.bot);
 
         for(i = orig; i <= term.bot-n; i++) {