Virtual Devices (3.1) (vdag31qh.hlp) (Table of Contents; Topic list)
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MMGR_SetNULPageAddr
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include vmm.inc
 
mov     eax, PhysAddr       ; physical address for system nul page
VMMcall MMGR_SetNULPageAddr
 
The MMGR_SetNULPageAddr service sets the physical address of the system nul
page.
 
This service is for the exclusive use of the virtual V86MMGR device. The
virtual device calls this service, while processing the Init_Complete
message, to set the address of a known nonexistent page in the system.
 
Parameter  Description
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PhysAddr   Specifies the physical address of the system nul page. This
           parameter is the page number for the nul page shifted left by 12
           bits.
 
Return Value
 
This service has no return value.
 
Uses
 
Flags
 
See Also
 
_GetNULPageHandle