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Int 15 Fn 02  - Vmix - "sys_memreq" - Memory Object Manager                [O]

   AH = 02h
   STACK:  WORD    object ID of requestor
       DWORD   pointer to ASCIZ name of requested method
           "assign" allocate low memory block
           "assign extended" allocate extended memory pages
           "assign gdt" allocate GDT selector
           "paged" allocate low paged memory
           "paged extended" alllocate extended memory pages
           "deassign" free memory block
           "deassign gdt" free GDT selector
           "getvpage" get physical address for virtual page
           "setvpage" set physical address for virtual page
           "info" get VMiX memory usage info block
           "move" move contents of 32-bit memory
           "newmcb" make new DOS memory control block
           "owner" get process ID of MCB or PSP owner
           "umb" allocate upper memory block
           "video" toggle system use of vidoe memory and get stat
       ---if "assign"---
        WORD   number of objects
        WORD   size in bytes (multiple of 512 bytes)
       ---if "assign extended"---
        WORD   number of objects
        WORD   size in bytes (multiple of 4K)
       ---if "assign gdt"---
        WORD   access type (low byte)
        WORD   segment size in paragraphs
        DWORD  pointer to start of physical segment
       ---if "paged"---
        WORD   number of 512-byte pages
       ---if "paged extended"
        WORD   number of 4K pages
       ---if "deassign"---
        DWORD  pointer returned by previous allocation call
       ---if "deassign gdt"---
        WORD   GDT selector
       ---if "getvpage"---
        WORD   owner's process ID
        DWORD  pointer to buffer for page structure (struct VPGE)
       ---if "setvpage"---
        WORD   owner's process ID
        DWORD  pointer to new page structure (struct VPGE)
       ---if "info"---
        no additional arguments
       ---if "move"
        DWORD  32-bit source address
        DWORD  32-bit destination address
        WORD   number of words to move
       ---if "newmcb"---
        DWORD  pointer to new MCB's location
        WORD   size of memory block
        DWORD  pointer to ASCIZ name string (max 8 chars)
       ---if "owner"---
        WORD   MCB or PSP segment
       ---if "umb"---
        WORD   size in paragraphs
       ---if "video"---
        no additional arguments

Return: DX:AX -> memory block or VPGE struct or 0000h:0000h

See Also: AH=00h"VMiX",AH=01h"VMiX"

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