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

   VxD = 0007h

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 0967)
Values for PageSwap (VxD ID 0007h) service number:
 00h   get version
 01h   test create
 02h   create swap file
 03h   destroy swap file
 04h   in
 05h   out
 06h   test if I/O valid
 07h   "Read_Or_Write"
 08h   "Grow_File"
 09h   "Init_File"

See Also: #0966,#0968,#0969,#2335