Function IsCard

src/dolphin/src/card/CARDMount.c:22–57

static void DoUnmount(s32 chan, s32 result);

static BOOL IsCard(u32 id) {
  u32 size;
  s32 sectorSize;
  if (id & (0xFFFF0000) && (id != 0x80000004 || __CARDVendorID == 0xFFFF)) {
    return FALSE;
  }

  if ((id & 3) != 0) {
    return FALSE;
  }

  size = id & 0xfc;
  switch (size) {
  case 4:
  case 8:
  case 16:
  case 32:
  case 64:
  case 128:
    break;
  default:
    return FALSE;
    break;
  }

  sectorSize = SectorSizeTable[(id & 0x00003800) >> 11];
  if (sectorSize == 0) {
    return FALSE;
  }

  if ((size * 1024 * 1024 / 8) / sectorSize < 8) {
    return FALSE;
  }

  return TRUE;
}

s32 CARDProbeEx(s32 chan, s32* memSize, s32* sectorSize) {
  u32 id;