VOID Drvmap(ULONG)

Description:  returns a list of mounted drives.

Opcode:  10  (0x000a)

Availability:  All TOS versions.

Binding:  
    move.w #$0A,-(sp)
    trap   #13
    addq.l #2,sp
Return value:  returns a ULONG bitmap of mounted drives. For each drive present, its bit is enabled. Drive 'A:' is bit 0, drive 'B:' is bit 1, and so on.

Definition:
    Single floppy systems will indicate that two drives are available since both drives can actually be addressed. A request for drive 'B:' will simply cause TOS to ask the user to insert 'Disk B' and provide automatic handling routines for all disk swapping. 


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See Also: Nothing


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