Fix glitches in AtariST demo of Elvira 1.

svn-id: r26997

2 files changed, 12 insertions, 2 deletions

diff --git a/engines/agos/agos.cpp b/engines/agos/agos.cpp
index c9050bee87..7424e5782a 100644
--- a/engines/agos/agos.cpp
+++ b/engines/agos/agos.cpp
@@ -968,14 +968,14 @@ int AGOSEngine::go() {
 			for (i = 0; i < 4; i++) {
 				setWindowImage(3, 9902 + i);
 				debug(0, "Displaying image %d", 9902 + i);
-				delay(1000);
+				delay(3000);
 
 			}
 
 			for (i = 4; i < 16; i++) {
 				setWindowImage(4, 9902 + i);
 				debug(0, "Displaying image %d", 9902 + i);
-				delay(1000);
+				delay(3000);
 			}
 		}
 	}
diff --git a/engines/agos/draw.cpp b/engines/agos/draw.cpp
index 5b5b42cbbb..45c6d4a6da 100644
--- a/engines/agos/draw.cpp
+++ b/engines/agos/draw.cpp
@@ -306,6 +306,11 @@ void AGOSEngine::dirtyClips() {
 }
 
 void AGOSEngine::restoreBackGround() {
+	if (getGameType() == GType_ELVIRA1 && getPlatform() == Common::kPlatformAtariST &&
+		(getFeatures() & GF_DEMO)) {
+		return;
+	}
+
 	AnimTable *animTable;
 	uint images = 0;
 
@@ -361,6 +366,11 @@ void AGOSEngine::restoreBackGround() {
 }
 
 void AGOSEngine::saveBackGround(VgaSprite *vsp) {
+	if (getGameType() == GType_ELVIRA1 && getPlatform() == Common::kPlatformAtariST &&
+		(getFeatures() & GF_DEMO)) {
+		return;
+	}
+
 	if ((vsp->flags & kDFSkipStoreBG) || !vsp->image)
 		return;