Fix an issue with shifted LCD lines

8 years ago · ff6b23cb0f
1 changed files with 1 additions and 1 deletions
--- a/Marlin/ultralcd.cpp
+++ b/Marlin/ultralcd.cpp
@ -223,7 +223,7 @@ uint8_t lcdDrawUpdate = LCDVIEW_CLEAR_CALL_REDRAW; // Set when the LCD needs to
    static int8_t _countedItems = 0; \
    int8_t encoderLine = encoderPosition / ENCODER_STEPS_PER_MENU_ITEM; \
    if (_countedItems > 0 && encoderLine >= _countedItems - LIMIT) { \
-      encoderLine = _countedItems - LIMIT; \
+      encoderLine = max(0, _countedItems - LIMIT); \
      encoderPosition = encoderLine * (ENCODER_STEPS_PER_MENU_ITEM); \
    }