Int 61 Fn 02  - Banyan Vines - Get Revision Number                         [N]

   AH = 02h
   DS:DX -> 2-byte buffer for result

Return: AX = 0000h installed
       DS:DX buffer contains revision number as
       10000d * major_ver + 100d * minor_ver + patch_revision

See Also: AH=01h"VINES",AH=04h"VINES",AH=07h"VINES"