Int 44 Fn 00  - Acorn Bbc Master 512 - "osargs" - Get/set File Params For  [O]

   AH = 00h
   AL = function
       00h get current filing system

       Return: AL = filing system (see below)
       01h get address of commandline tail

       Return: BX buffer filled with address of command tail in I/O
               processor address space (use INT 4A/AL=05h to
               retrieve)
       FFh flush all files onto secondary storage
   BX -> 4-byte data buffer

Note:  the commandline tail is terminated with a carriage return (0Dh)

See Also: INT 40"Acorn",INT 45"Acorn"

Values for filing system:
 00h   none
 01h   1200 bps cassette
 02h   300 bps cassette
 03h   ROM FS
 04h   DFS
 05h   ANFS/NFS
 06h   TFS
 08h   ADFS