Int 20  P - Microsoft Windows - Vmini / Enable - Vxd Services              [W]

   VxD = 0037h

Note:  the desired VxD and service number are identified by the data
     immediately following the INT 20 instruction, as in:
       INT 20h
       DW  service number
       DW  VxD identifier

See Also: INT 2F/AX=1684h"DEVICE API",INT 30"Windows",#0961,#1032

(Table 0996)
Values for VMINI / ENABLE (VxD ID 0037h) service number:
 0000h get version

   Return: CF clear
       EAX = version (AH = major, AL = minor)
 0001h "VMINI_Update"
   ??? (performs VMMCall 1800Eh, then falls through to service 04h)

   Return: EAX = system time???
 0002h "VMINI_Status"
   get current ???

   Return: EAX = ???
 0003h "VMINI_DisplayError" (schedules a global event via VMMCall 1800Eh)

   Return: ???
 0004h "VMINI_SetTimeStamp" (performs VMMCall 100CFh)

   Return: EAX = system time
 0005h "VMINI_Siren" (call ??? priority event)

   Return: nothing
 0006h "VMINI_RegisterAccess" (set ??? / get ???)
   EDI -> buffer containing data to copy into VxD and space for results

   Return: EDI buffer updated
 0007h "VMINI_GetData"
   EBX = ??? flags (bits 2,15,17,18 checked)
   EDI -> ???
   ???

   Return: ???
 0008h "VMINI_ShutDownItem" (schedules a global event via VMMCall 1800Eh)

   Return: ???
 0009h "VMINI_RegisterSK" (get ??? data)
   EDI -> buffer for data (see #0997)

   Return: EDI buffer updated if large enough

See Also: #0995,#0998,#2364 at INT 2F/AX=1684h/BX=0037h

Format of ENABLE.VXD ??? data:
Offset Size    Description (Table 0997)
 00h   DWORD   (ret) length of data, including this word
       (call) length of buffer
 04h   DWORD   -> 24-byte (or larger) buffer
 08h   DWORD   -> 20-byte buffer
 0Ch   DWORD   -> 260-byte buffer
 10h   DWORD   -> 260-byte buffer

See Also: #0996