Aggregate screen updates

Aggregate screen updates to one per cycle, using SDL_UpdateRects().

Hopefully this should avoid the sluggishness on MacOS X, but that
remain to be seen...

1 files changed, 1 insertions, 0 deletions

diff --git a/graphics.h b/graphics.h
index f993186..16c7f5a 100644
--- a/graphics.h
+++ b/graphics.h
@@ -24,6 +24,7 @@ void lprintf(int r, int c, const char *fmt, ...);
 void width(int wid);
 void cls(void);
 void update_blink(void);
+void update_screen(void);
 
 struct saved_screen;
 struct saved_screen *save_screen(void);