From e2f33c69ab00835f74467765b92e07a69fc76fd1 Mon Sep 17 00:00:00 2001
From: Eugene Sandulenko
Date: Wed, 23 Mar 2005 04:22:11 +0000
Subject: Fix MM NES text rendering so old messages are cleared up correctly.

svn-id: r17202
---
 scumm/charset.cpp | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/scumm/charset.cpp b/scumm/charset.cpp
index 98d0b8810d..57684f5441 100644
--- a/scumm/charset.cpp
+++ b/scumm/charset.cpp
@@ -1781,8 +1781,14 @@ void CharsetRendererNES::printChar(int chr) {
 		_hasMask = true;
 		_textScreenID = vs->number;
 	}
-	dst = (byte *)_vm->gdi._textSurface.pixels + _top * _vm->gdi._textSurface.pitch + _left;
-	drawBits1(_vm->gdi._textSurface, dst, charPtr, drawTop, origWidth, origHeight);
+
+	if (_ignoreCharsetMask || !vs->hasTwoBuffers) {
+		dst = vs->getPixels(_left, drawTop);
+		drawBits1(*vs, dst, charPtr, drawTop, origWidth, origHeight);
+	} else {
+		dst = (byte *)_vm->gdi._textSurface.pixels + _top * _vm->gdi._textSurface.pitch + _left;
+		drawBits1(_vm->gdi._textSurface, dst, charPtr, drawTop, origWidth, origHeight);
+	}
 
 	if (_str.left > _left)
 		_str.left = _left;
-- 
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