Int 15 Fn 1022  - Topview - "getver" - Get Version                         [Q]

   AX = 1022h
   BX = 0000h

Return: BX nonzero, TopView or compatible loaded
   (BL = major version, BH = minor version)

Notes: TaskView returns BX = 0001h, DESQview v2.00+ returns BX = 0A01h