CD-ROM 2.00 Interface - Get MSCDEX Version

Input

DOS1 N DOS2 N

DOS3

Y DOS5 Y

Output

AX

15h 0Ch     AX

BX

    Major Version Minor Version BX

CX

        CX

DX

        DX

ES:DI

    CF
Note:   MSCDEX prior to 1.02 return BX = 0


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