Fix XGraph ImpulseAdventure#439

streber42 · Mar 10, 2022 · 5afe134 · 5afe134
1 parent 6983954
commit 5afe134
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/src/GUIslice_version.h b/src/GUIslice_version.h
@@ -36,7 +36,7 @@
 // Define current release (X.Y.Z) & build number
 // =======================================================================
 
-#define GUISLICE_VER "0.17.1"
+#define GUISLICE_VER "0.17.1.1"
 
 #endif // _GUISLICE_VERSION_H_
 
diff --git a/src/elem/XGraph.c b/src/elem/XGraph.c
@@ -322,8 +322,8 @@ bool gslc_ElemXGraphDraw(void* pvGui,void* pvElemRef,gslc_teRedrawType eRedraw)
   if (pBox->bScrollEn) {
     pBox->nPlotIndStart -= (nScrollMax - pBox->nScrollPos);
   }
-  pBox->nPlotIndStart  = pBox->nPlotIndStart % pBox->nBufMax;
-
+  pBox->nPlotIndStart = pBox->nBufMax ? (pBox->nPlotIndStart % pBox->nBufMax) : 0;
+  
   uint16_t nPlotInd = 0;
   uint16_t nIndMax = 0;
   nIndMax = (pBox->nBufMax < pBox->nPlotIndMax)? pBox->nBufMax : pBox->nPlotIndMax;