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[Reply #15 on:]

So what can I do?

[Reply #16 on:]

Code:

    case 0 : zero();
    break;
    case 1 : one();
    break;
    case 2 : two();
    break;

Try this to start

[Reply #17 on:]

Code:

0b00000000 = all off
0b00101010  = something on
0b00010101 = something else on
.
.
0b11111111 = all on

An array ?
Why not just an uint8_t variable or an int(16 bits) if you need more flags to mark the status pins and eventually set then ON or OFF ?

[Reply #18 on:]

Code:

0b00000000 = all off
0b00101010  = something on
0b00010101 = something else on
.
.
0b11111111 = all on

An array ?
Why not just an uint8_t variable or an int(16 bits) if you need more flags to mark the status pins and eventually set then ON or OFF ?

That uses direct port manipulation, to turn on/off each led without the repetitition of,
 

Code:

digitalWrite(pin_b, OFF);
  digitalWrite(pin_c, OFF);
  digitalWrite(pin_d, OFF);
  digitalWrite(pin_e, OFF);
  digitalWrite(pin_f, OFF);
  digitalWrite(pin_g, OFF);

This is a very long way to do it, and rather unneeded, but as the OP said, it is an old code and already looked into it.