The screen color change does not fill out all the screen

Using Arduino Programming Questions
3

mine is 320x480 resolution

#include <Adafruit_TFTLCD.h> 
#include <Adafruit_GFX.h>    
#include <TouchScreen.h>

#define LCD_CS A3 
#define LCD_CD A2 
#define LCD_WR A1 
#define LCD_RD A0 
#define LCD_RESET A4 

#define TS_MINX 646
#define TS_MINY 952
#define TS_MAXX 512
#define TS_MAXY 210

#define YP A3
#define XM A2
#define YM 9
#define XP 8

#define BLACK   0x0000
#define BLUE    0x001F
#define RED     0xF800
#define GREEN   0x07E0
#define CYAN    0x07FF
#define MAGENTA 0xF81F
#define YELLOW  0xFFE0
#define WHITE   0xFFFF

Adafruit_TFTLCD tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, LCD_RESET);

TouchScreen ts = TouchScreen(XP, YP, XM, YM, 364);

boolean buttonEnabled = true;

void setup() {
  tft.reset();
  tft.begin(0x9341);//9341
  tft.setRotation(1);
 tft.fillScreen(BLUE);}