void setup() {
  volatile char*dir_port= (char*)0X30;
  *dir_port=0xFF;
}
 void portdata (char output)
 {
  volatile char*outdata=(char*)0x31;
  *outdata=output;

 }

void loop() {
char arr[10]={0x3F,0X06,0X5B,0X4F,0X66,0X6D,0X7D,0X07,0X7F,0X6F};
int i;
volatile long j;
for(i=1;i<=9;i=i+2)
{
  portdata(arr[i]);
  for(j=0;j<800000;j++);
}

}