Click above to get retro games delivered to your door ever month!

 _twIsDrive( n )
 ----------------------------------------------------------------------------
     Get status of a floppy disk drive.

       Arguments:

     nDrive - 'N' 0 - Drive A:
                  1 - Drive B:

       Return:

     -1 - Parameters incorrect.
      0 - Drive Loaded and ready.
      1 - Drive Door Open or Diskette upside down.
      2 - Diskette is unformatted.
      3 - Diskette is Write protected.
      4 - Unknown error condition.

       Example:

     nDriveCheck := _twIsDrive( 0 )