From: John Hodge <tpg@mutabah.net>
Date: Sun, 31 Oct 2010 12:29:36 +0000 (+0800)
Subject: Fixed scrolling bug in VTerm
X-Git-Tag: rel0.06~1
X-Git-Url: https://git.ucc.asn.au/?a=commitdiff_plain;h=fe313c1dda9bd0e062f5ce88c3d990199799aa1b;p=tpg%2Facess2.git

Fixed scrolling bug in VTerm

- VT_int_ClearLine was rejecting valid line numbers
---

diff --git a/Kernel/drv/vterm.c b/Kernel/drv/vterm.c
index 5ba34082..720e76b0 100644
--- a/Kernel/drv/vterm.c
+++ b/Kernel/drv/vterm.c
@@ -843,7 +843,7 @@ void VT_int_ClearLine(tVTerm *Term, int Num)
 {
 	 int	i;
 	tVT_Char	*cell = &Term->Text[ Num*Term->TextWidth ];
-	if( Num < 0 || Num >= Term->TextHeight )	return ;
+	if( Num < 0 || Num >= Term->TextHeight * (giVT_Scrollback + 1) )	return ;
 	//ENTER("pTerm iNum", Term, Num);
 	for( i = Term->TextWidth; i--; )
 	{
@@ -1073,8 +1073,6 @@ void VT_int_PutChar(tVTerm *Term, Uint32 Ch)
 	{
 		 int	base, i;
 		
-		//Debug("Scrolling entire buffer");
-		
 		// Move back by one
 		Term->WritePos -= Term->TextWidth;
 		// Update the scren
@@ -1118,6 +1116,7 @@ void VT_int_PutChar(tVTerm *Term, Uint32 Ch)
 		Term->WritePos -= Term->TextWidth;
 		VT_int_UpdateScreen( Term, 0 );
 		Term->WritePos += Term->TextWidth;
+		VT_int_ClearLine(Term, Term->WritePos / Term->TextWidth);
 		
 		// Scroll
 		Term->ViewPos += Term->TextWidth;