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Function 0Eh Select Disk

Sets the drive specified in DL (if valid) as the default drive

entry AL 0Eh

DL new default drive number (0=A:,1=B:,2=C:,etc.)

return AL total number of logical drives (not nescessarily physical)

note 1) For DOS 1.x and 2.x, the minimum value for AL is 2.

2) For DOS 3.x and 4.x, the minimum value for AL is 5.

3) The drive number returned is not nescessarily a valid drive.

4) For DOS 1.x: 16 logical drives are availible, A-P.

For DOS 2.x: 63 logical drives are availible. (Letters are only used for

the first 26 drives. If more than 26 logical drives are

used, further drive letters will be other ASCII characters

ie \{,], etc.

For DOS 3.x: 26 logical drives are availible, A-Z.

For DOS 4.x: 26 logical drives are availible, A-Z.

file: /Techref/INT/21f/0e.htm, 0KB, , updated: 1999/2/20 11:26, local time: 2023/9/26 18:48,

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