FAT12
if (FAT12(pmp))
if (FAT12(pmp) && (prevcn & 1))
if (fatbn != pmp->pm_fatblk || FAT12(pmp))
if (FAT12(pmp) & (cn & 1))
if (FAT12(pmp) && (cn & 1))
if (FAT12(pmp) && fatblocksec % 3 != 0) {
if (FAT12(fatVolume) == true)
if (FAT12(fatVolume) != 0)
if (dos33 == true && (FAT12(volume) != 0 || FAT16(volume) != 0)) {
} else if (FAT12(volume) != 0 || FAT16(volume) != 0) {
if (FAT12(volume) || FAT16(volume)) {