Int 2F Fn C020  - Ad-dos - Get And Reset Vxd Api Status                    [V]

   AX = C020h

Return: AL = 00h if successful
       BX = VxD API Status
       0000h no error
       0001h error
       0100h neither Windows 3.X enhanced mode nor Windows/386 2.x
             is running
       0200h VM API entry point not found (VxD not installed)
Range: AH=C0h to AH=FFh, selected by scanning for first free multiplex number

Note:  this call resets the VxD API Status to zero

See Also: AX=1602h,AX=1607h"CALL OUT API"
Index: screen saver;AD-DOS