//09 Display the two-digit prime numbers in loop
void setup() {
  // put your setup code here, to run once:
 direction();
}

void loop() {
  // put your main code here, to run repeatedly:
  code();

}

//*******************************
void delay_()
{
   volatile long i;
   for(i=0;i<900000;i++);
}

void direction()
{
  volatile char *dirf,*dirk;
  dirf = 0x30; dirk = 0x107;
  *dirf = 0xFF; *dirk = 0xFF;
}


void code()
{
  volatile char *outf,*outk,i;
  outf = 0x31; outk = 0x108;
  for(i=0;i<=99;i++)
  {
    if(i==0x02) {*outf = 0x00;*outk = 0x5B;delay_();}//2
    if(i==0x03) { *outf = 0x00;*outk = 0x4F;delay_();}//3
    if(i==0x05) { *outf = 0x00;*outk = 0x6D;delay_();}//5
    if(i==0x07) { *outf = 0x00;*outk = 0x07;delay_();}//7
    if(i==0x0B) { *outf = 0x06;*outk = 0x06;delay_();}//11
    if(i==0x0D) { *outf = 0x06;*outk = 0x4F;delay_();}//13
    if(i==0x11) { *outf = 0x06;*outk = 0x07;delay_();}//17
    if(i==0x13) { *outf = 0x06;*outk = 0x6F;delay_();}//19
    if(i==0x17) { *outf = 0x5B;*outk = 0x4F;delay_();}//23
    if(i==0x1D) { *outf = 0x5B;*outk = 0x6F;delay_();}//29
    if(i==0x1F) { *outf = 0x4F;*outk = 0x06;delay_();}//31
    if(i==0x25) { *outf = 0x4F;*outk = 0x07;delay_();}//37 
    if(i==0x29) { *outf = 0x66;*outk = 0x06;delay_();}//41
    if(i==0x2B) { *outf = 0x66;*outk = 0x4F;delay_();}//43
    if(i==0X2F) { *outf = 0x66;*outk = 0x07;delay_();}//47
    if(i==0X35) { *outf = 0x6D;*outk = 0x4F;delay_();}//53
    if(i==0X3B) { *outf = 0x6D;*outk = 0x6F;delay_();}//59
    if(i==0X3D) { *outf = 0x7D;*outk = 0x06;delay_();}//61
    if(i==0X43) { *outf = 0x7D;*outk = 0x07;delay_();}//67
    if(i==0x47) { *outf = 0x07;*outk = 0x06;delay_();}//71
    if(i==0x49) { *outf = 0x07;*outk = 0x4F;delay_();}//73
    if(i==0x4F) { *outf = 0x07;*outk = 0x6F;delay_();}//79
    if(i==0x53) { *outf = 0x7F;*outk = 0x4F;delay_();}//83
    if(i==0x59) { *outf = 0x7F;*outk = 0x6F;delay_();}//89
    if(i==0x61) { *outf = 0x6F;*outk = 0x07;delay_();}//97
  }
}