LCD_RASTER_CTRL
reg = LCD_READ4(sc, LCD_RASTER_CTRL);
LCD_WRITE4(sc, LCD_RASTER_CTRL, reg);
reg = LCD_READ4(sc, LCD_RASTER_CTRL);
LCD_WRITE4(sc, LCD_RASTER_CTRL, reg);
reg = LCD_READ4(sc, LCD_RASTER_CTRL);
LCD_WRITE4(sc, LCD_RASTER_CTRL, reg);
reg = LCD_READ4(sc, LCD_RASTER_CTRL);
LCD_WRITE4(sc, LCD_RASTER_CTRL, reg);
LCD_WRITE4(sc, LCD_RASTER_CTRL, reg);
reg = LCD_READ4(sc, LCD_RASTER_CTRL);
LCD_WRITE4(sc, LCD_RASTER_CTRL, reg);