From 321387be1df8059ffa28cd4b5786670274fc4d09 Mon Sep 17 00:00:00 2001
From: Ali Gholami Rudi <ali@rudi.ir>
Date: Thu, 9 Jul 2009 12:27:17 +0430
Subject: [PATCH] pad: redraw the cursor after scrolling

---
 draw.c |  3 +--
 pad.c  | 10 +++++-----
 2 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/draw.c b/draw.c
index 4eaa0cf..541f0f8 100644
--- a/draw.c
+++ b/draw.c
@@ -88,8 +88,7 @@ static char *rowaddr(int r)
 void fb_scroll(int sr, int nr, int n, u16_t val)
 {
 	int r;
-	for (r = sr; r < sr + nr; r++)
-		memcpy(rowaddr(r + n), rowaddr(r), finfo.line_length);
+	memmove(rowaddr(sr + n), rowaddr(sr), nr * finfo.line_length);
 	if (n > 0)
 		fb_box(sr, 0, n, sr + n, val);
 	else
diff --git a/pad.c b/pad.c
index 015bf46..ce6012d 100644
--- a/pad.c
+++ b/pad.c
@@ -109,16 +109,16 @@ static void pad_empty(int sr, int er)
 
 void pad_scroll(int sr, int nr, int n)
 {
-	int r;
+	pad_show(row, col, 0);
 	fb_scroll(sr * font_rows(), nr * font_rows(),
 		  n * font_rows(), color2fb(bg));
-	for (r = sr; r < sr + nr; r++)
-		memcpy(SQRADDR(r + n, 0), SQRADDR(r, 0),
-			cols * sizeof(screen[0]));
+	memmove(SQRADDR(sr + n, 0), SQRADDR(sr, 0),
+		nr * cols * sizeof(screen[0]));
 	if (n > 0)
 		pad_empty(sr, sr + n);
 	else
 		pad_empty(sr + nr + n, sr + nr);
+	pad_show(row, col, 1);
 }
 
 static void advance(int c)
@@ -152,8 +152,8 @@ static void advance(int c)
 	if (row >= rows) {
 		int n = rows - row - 1;
 		int nr = rows + n;
-		pad_scroll(-n, nr, n);
 		row = rows - 1;
+		pad_scroll(-n, nr, n);
 	}
 }
 
-- 
2.11.4.GIT