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        Determine if a particular block device is removable (INT 21h, 4408h)

        This call allows you to determine if a device can support
        removable media (such as a floppy disk drive).

        Entry:
          AX = 4408h
          BX = Drive (0=current, 1=A, 2=B, ...)
        Return:
          CF = 1
               AX = Error Code
                    Access Denied:    BX is invalid
                    Invalid Function: Device is a network device
          CF = 0
               AX = Type
                    00h: Drive is removable
                    01h: Drive is fixed
                    0Fh: Drive not valid