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Category: DOS extenders
Flags: obsolete (no longer present in current versions), available only in protected mode

INT 21 - Phar Lap 386/DOS-Extender VMM v2.1c - WRITE PAGE-TABLE ENTRY

	AX = 251Eh
	BL = address type
	    00h linear address
		ECX = linear address of page table entry to read
	    01h pointer
		ES:ECX -> page table entry to read
	EDX = new value for page table entry
Return: CF clear if successful
	CF set on error
	    EAX = error code
		09h invalid address or NOPAGE option set
		82h not compatible with DPMI
Note:	this call is obsolete; use AX=252Bh/BH=0Ah instead
SeeAlso: AX=251Dh,AX=252Bh/BH=0Ah,INT 31/AX=0507h

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