From 1a575bc9ae39d562a6a8ca27f79a616f3ee86ec3 Mon Sep 17 00:00:00 2001
From: Zachary Yedidia <zyedidia@gmail.com>
Date: Thu, 7 Sep 2017 16:44:05 -0400
Subject: [PATCH] Fix UpN if proposedY < 0

Fixes #804
---
 cmd/micro/cursor.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/cmd/micro/cursor.go b/cmd/micro/cursor.go
index 2b5889a0..65baa773 100644
--- a/cmd/micro/cursor.go
+++ b/cmd/micro/cursor.go
@@ -249,8 +249,8 @@ func (c *Cursor) RuneUnder(x int) rune {
 func (c *Cursor) UpN(amount int) {
 	proposedY := c.Y - amount
 	if proposedY < 0 {
-		c.X = 0 // first line: X moved before the first character
-		return
+		proposedY = 0
+		c.LastVisualX = 0
 	} else if proposedY >= c.buf.NumLines {
 		proposedY = c.buf.NumLines - 1
 	}
@@ -258,7 +258,7 @@ func (c *Cursor) UpN(amount int) {
 	runes := []rune(c.buf.Line(c.Y))
 	c.X = c.GetCharPosInLine(proposedY, c.LastVisualX)
 
-	if c.X > len(runes) || proposedY == c.Y {
+	if c.X > len(runes) {
 		c.X = len(runes)
 	}