Reset fast mode state when centering changes.

diff --git a/drawing.cpp b/drawing.cpp
index d4cde65bee105400c17f853bde442e2c6389347e..4c89c51eed8c03fbbdbe6cab3edf2b9b9087484f 100644 (file)
--- a/drawing.cpp
+++ b/drawing.cpp
@@ -5491,6 +5491,7 @@ static void draw_denise_vsync(int erase)
                // delay until next frame to prevent single black frame
                erase_next_draw = true;
                center_y_erase = false;
+               resetfulllinestate();
        }
 }