From e0c0d8cfa3e7d9456d618929b7b5ea8cb6ec6b1d Mon Sep 17 00:00:00 2001
From: Nathan Cannon <neviynhd@gmail.com>
Date: Sun, 22 Oct 2017 18:50:01 +0100
Subject: [PATCH] Removed code duplication in terminalWriteChar.

---
 kernel/arch/i386/tty.nim | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/kernel/arch/i386/tty.nim b/kernel/arch/i386/tty.nim
index fbbf421..fee3c7a 100644
--- a/kernel/arch/i386/tty.nim
+++ b/kernel/arch/i386/tty.nim
@@ -43,19 +43,20 @@ proc setTerminalColour(newColour: int) =
   terminalColour = newColour
 
 proc terminalWriteChar(writeChar: char) =
-  if(writeChar == '\L'):
+
+  proc scrollCheckAndSet() =
     if(terminalRow < vgaHeight - 1): inc(terminalRow)
     else: # If we are at the bottom of the screen then scroll the screen.
       terminalScroll()
     terminalColumn = 0
+
+  if(writeChar == '\L'):
+    scrollCheckAndSet()
     return
   terminalWriteAtPoint(writeChar, terminalColour, terminalColumn, terminalRow)
   inc(terminalColumn)
   if(terminalColumn == vgaWidth):
-    terminalColumn = 0
-    if(terminalRow < vgaHeight - 1): inc(terminalRow)
-    else: # If we are at the bottom of the screen then scroll the screen.
-      terminalScroll()
+    scrollCheckAndSet()
 
 proc terminalWrite*(data: string) =
   for character in data: