rtcbois.c

if(kDown & (KEY_UP))          //Detects if the UP D-PAD button was pressed.
{
    for (int current = offs; current <= YEAR_OFFSET; ++current) {
      if (current == UNUSED_OFFSET) continue;
      bufs[current]++;
      if (bufs[current] == maxValue[current]) {
        bufs[current] = minValue[current];
      }
      else { break; }
    }
} 
if(kDown & (KEY_DOWN)) //Detects if the DOWN D-PAD button was pressed.
{
    for (int current = offs; current >= SECONDS_OFFSET; --current) {
      if (current == UNUSED_OFFSET) continue;
      bufs[current]--;
      if (bufs[current] < minValue[current] || bufs[current] >= maxValue[current]) {
        bufs[current] = maxValue[current] - 1;
      }
      else { break; }
    }
}