diff --git a/TFT_ILI9163C.cpp b/TFT_ILI9163C.cpp
index 2d87729..c90fc1b 100644
--- a/TFT_ILI9163C.cpp
+++ b/TFT_ILI9163C.cpp
@@ -443,29 +443,25 @@ void TFT_ILI9163C::sleepMode(boolean mode) {
 	}
 }
 
-/*
-void TFT_ILI9163C::defineScrollArea(uint16_t a,uint16_t c){
-	//0,2
-		uint16_t b;
-		if ((a+c) > _TFTWIDTH) return;
-		b = (_TFTWIDTH - (a+c));
+void TFT_ILI9163C::defineScrollArea(uint16_t tfa, uint16_t bfa){
+    tfa += __OFFSET;
+    int16_t vsa = _GRAMHEIGH - tfa - bfa;
+    if (vsa >= 0) {
+		#if defined(__MK20DX128__) || defined(__MK20DX256__)
 		SPI.beginTransaction(SPISettings(SPICLOCK, MSBFIRST, SPI_MODE0));
-		writecommand_cont(0x33);
-		if (rotation == 0 || rotation > 1){
-			writedata16_cont(a);
-			writedata16_cont(b);
-			writedata16_last(c);
-		} else {
-			writedata16_cont(a + __OFFSET);
-			writedata16_cont(b + __OFFSET);
-			writedata16_last(c + __OFFSET);
-		}
+        writecommand_cont(CMD_VSCLLDEF);
+        writedata16_cont(tfa);
+        writedata16_cont(vsa);
+        writedata16_last(bfa);
 		endProc();
-		setAddr(0x00,0x00,_GRAMWIDTH-1,_GRAMHEIGH-1);
-		setRotation(0);
-		
+		#else
+        writecommand(CMD_VSCLLDEF);
+        writedata16(tfa);
+        writedata16(vsa);
+        writedata16(bfa);
+		#endif
+    }
 }
-*/
 
 void TFT_ILI9163C::scroll(uint16_t adrs) {
 	#if defined(__MK20DX128__) || defined(__MK20DX256__)
diff --git a/TFT_ILI9163C.h b/TFT_ILI9163C.h
index a377886..45f2ff3 100644
--- a/TFT_ILI9163C.h
+++ b/TFT_ILI9163C.h
@@ -76,6 +76,7 @@
 	Fixed a nasty bug in fill screen!
 	0.6:	Small fix, added SD example and subroutines
 	0.6b1:  Fix clearscreen, missed a parameter.
+	0.6b2:  Scroll completed. (thanks Masuda)
 	+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 	BugList of the current version:
 	
@@ -266,7 +267,7 @@ class TFT_ILI9163C : public Adafruit_GFX {
 				invertDisplay(boolean i);
 	void		display(boolean onOff);	
 	void		sleepMode(boolean mode);
-	//void		defineScrollArea(uint16_t a,uint16_t c);
+	void 		defineScrollArea(uint16_t tfa, uint16_t bfa);
 	void		scroll(uint16_t adrs);
 	void 		startPushData(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1);
 	void 		pushData(uint16_t color);
diff --git a/examples/easyScroll/easyScroll.ino b/examples/easyScroll/easyScroll.ino
index 474b6f5..dc8be80 100644
--- a/examples/easyScroll/easyScroll.ino
+++ b/examples/easyScroll/easyScroll.ino
@@ -64,6 +64,8 @@ void setup() {
   tft.println("in the gobberwarts");
   tft.println("with my blurglecruncheon,");
   tft.println("see if I don't!");
+  tft.defineScrollArea(23,50);
+  //try load again with this commented out!
 }
 
 
@@ -93,4 +95,4 @@ void testFilledRects() {
     tft.fillRect(cx-i2, cy-i2, i, i, random(0x0000,0xFFFF));
     tft.drawRect(cx-i2, cy-i2, i, i, random(0x0000,0xFFFF));
   }
-}
+}
\ No newline at end of file
diff --git a/keywords.txt b/keywords.txt
index 103b1d8..613cf18 100644
--- a/keywords.txt
+++ b/keywords.txt
@@ -14,6 +14,7 @@ display	KEYWORD2
 startPushData	KEYWORD2
 pushData	KEYWORD2
 endPushData	KEYWORD2
+defineScrollArea	KEYWORD2
 writeScreen24	KEYWORD2