Radu Radoveneanu / UniGraphic

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Diff: Display/TFT.cpp

Revision:
8:26757296c79d
Parent:
7:bb0383b91104
Child:
10:668cf78ff93a
diff -r bb0383b91104 -r 26757296c79d Display/TFT.cpp
--- a/Display/TFT.cpp	Tue Feb 17 11:02:06 2015 +0000
+++ b/Display/TFT.cpp	Tue Feb 17 17:54:14 2015 +0000
@@ -207,14 +207,14 @@
     wr_cmd8(0x33);
     wr_data16(topfixedareasize); //num lines of top fixed area
     wr_data16(scrollareasize+scrollbugfix); //num lines of vertical scroll area, +1 for ILI9481 fix
-    if((areasize+startY)>height()) bfa=0;
-    else bfa = height()-(areasize+startY);
+    if((areasize+startY)>screensize_Y) bfa=0;
+    else bfa = screensize_Y-(areasize+startY);
     wr_data16(bfa); //num lines of bottom fixed area
 }
 void TFT::scroll (int lines) // ie 1= scrollup 1, 479= scrolldown 1
 {
     wr_cmd8(0x37);
-    wr_data16((topfixedareasize+lines)%scrollareasize); //num lines of top fixed area
+    wr_data16(topfixedareasize+(lines%scrollareasize)); // select the (absolute)line which will be displayed as first scrollarea line 
 }
 void TFT::scrollreset()
 {