From affc27e709981a34ed2dc1752d5d6292f705aa13 Mon Sep 17 00:00:00 2001
From: Toni Wilen <twilen@winuae.net>
Date: Thu, 6 Sep 2018 18:57:25 +0300
Subject: [PATCH] Check also shres_shift.

---
 drawing.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drawing.cpp b/drawing.cpp
index f081441d..6d346a2f 100644
--- a/drawing.cpp
+++ b/drawing.cpp
@@ -79,7 +79,7 @@ static void lores_set(int lores)
 {
 	int old = lores_shift;
 	lores_shift = lores;
-	if (lores_shift != old) {
+	if (lores_shift != old || shres_shift != RES_MAX - lores) {
 		shres_shift = RES_MAX - lores;
 		pfield_set_linetoscr();
 	}
@@ -858,8 +858,10 @@ static int unpainted;
 STATIC_INLINE xcolnr getbgc (int blank)
 {
 #if BG_COLOR_DEBUG
-	if (blank)
+	if (blank > 0)
 		return xcolors[0x088];
+	else if (blank < 0)
+		return xcolors[0x0f8];
 	else if (hposblank == 1)
 		return xcolors[0xf00];
 	else if (hposblank == 2)
-- 
2.47.3