Teensy 3.1 Serial with Adafruit ILI9340 display

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imremalva

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Hello
tryng to show incoming byte on Adafruit ILI9340 display.
https://www.adafruit.com/products/1480

somehow using
tft.print(incomingByte);
incoming Byte becomes 0

Mac
Arduino 1.6.5
Teensyduino 1.25 beta 2
Teensy 3.1 Serial 72mz optimized

#include <Adafruit_GFX.h>
#include <Adafruit_ILI9340.h>
#include <Arduino.h>
#include "SPI.h"
#if defined(__SAM3X8E__)
#undef __FlashStringHelper::F(string_literal)
#define F(string_literal) string_literal
#endif
#define _sclk 13
#define _miso 14
#define _mosi 15
#define _cs 21 // LCD
#define _rst 14
#define _dc 15
Adafruit_ILI9340 tft = Adafruit_ILI9340(_cs, _dc, _rst);
int vanaVaartus;
int incomingByte;

void setup() {
tft.begin();
tft.setRotation(1);
tft.fillScreen(ILI9340_BLACK);
tft.setTextColor(ILI9340_WHITE); // tft.setTextSize(3);
tft.setCursor(26, 70);
tft.setTextSize(3);
tft.println("LCD");
Serial1.begin(9600);
}
void loop() {
if (Serial1.available() > 0) {
incomingByte = Serial1.read();
Serial.print (incomingByte); // Shows incoming byte in Serial monitor
Serial.println(" ");
tft.print(incomingByte);
}
}
 
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