arduino space invader led strip R/G

#define DI1 2
#define DI2 3
#define DSH 4
#define DST 5

void setup() {
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
}

#define DELAY_CLK 1

byte _leds1 = 0;
byte _leds2 = 0;

void sendLeds() {
  for(byte i=0; i<8; i++){
    digitalWrite(DI1, (_leds1 >> i) & 1);
    digitalWrite(DI2, (_leds2 >> i) & 1);
    digitalWrite(DSH, HIGH);
    delayMicroseconds(DELAY_CLK);
    digitalWrite(DSH, LOW);
    delayMicroseconds(DELAY_CLK);
  }
  digitalWrite(DST, HIGH);
  delayMicroseconds(DELAY_CLK);
  digitalWrite(DST, LOW);
  delayMicroseconds(DELAY_CLK);
}

#define NONE 0
#define RED 1
#define GREEN 2
#define ORANGE 3

#define N 0
#define R 1
#define G 2
#define O 3

void clearLeds() {
  _leds1=0; _leds2 = 0;
}

void setLed(byte index, byte color) {
  byte* _leds;
  if(index<4) {
    _leds = &_leds1;
  }else{
    _leds = &_leds2;
    index -= 4;
  }

  byte real_index = (3-index)*2;

  *_leds = *_leds & ~(0b11 << real_index) | (color << real_index);
}

byte data[11][8] = {
  {R,N,R,R,R,R,N,N},
  {N,R,R,R,N,N,N,N},
  {N,N,R,R,R,N,N,N},
  {N,R,R,O,R,R,N,R},
  {R,N,R,R,R,R,R,N},
  {N,N,R,R,R,R,R,N},
  {R,N,R,R,R,R,R,N},
  {N,R,R,O,R,R,N,R},
  {N,N,R,R,R,N,N,N},
  {N,R,R,R,N,N,N,N},
  {R,N,R,R,R,R,N,N}
};

void loop() {
  for(byte i=0; i<11; i++) {
    for(byte j=0; j<8; j++) {
      setLed(j, data[i][j]);
    }
    sendLeds();
    delay(5);
  }
  clearLeds();
  sendLeds();
  delay(20);
}