case ILI9341_S4P:
	LCD_Write_COM(0x2A); //column
	LCD_Write_DATA(x1>>8);
	LCD_Write_DATA(x1);
	LCD_Write_DATA(x2>>8);
	LCD_Write_DATA(x2);
	LCD_Write_COM(0x2B); //page
	LCD_Write_DATA(y1>>8);
	LCD_Write_DATA(y1);
	LCD_Write_DATA(y2>>8);
	LCD_Write_DATA(y2);
	LCD_Write_COM(0x2C); //write
	break;