Int 20  P - Microsoft Windows - V86mmgr - Vxd Services                     [W]

   VxD = 0006h

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 0966)
Values for V86MMGR (VxD ID 0006h) service number:
 00h   get version
 01h   allocate V86 pages
 02h   set EMS and XMS limits
 03h   get EMS and XMS limits
 04h   set mapping information
 05h   get mapping information
 06h   Xlat API
 07h   load client pointer
 08h   allocate buffer
 09h   free buffer
 0Ah   get Xlat buffer state
 0Bh   set Xlat buffer state
 0Ch   get VM flat selector
 0Dh   map pages
 0Eh   free page map region
 0Fh   _LocalGlobalReg
 10h   get page status
 11h   set local A20
 12h   reset base pages
 13h   set available mapped pages
 14h   "V86MMGR_NoUMBInitCalls"
 15h   "V86MMGR_Get_EMS_XMS_Avail"
 16h   "V86MMGR_Toggle_HMA"
   EAX = ???
 17h   "V86MMGR_Dev_Init"
 18h   "V86MMGR_Alloc_UM_Page"

See Also: #2333,#0967,INT 2F/AX=1684h"DEVICE API"