Mail Archives: djgpp/1998/12/02/13:41:11
From: | jjed AT hotmail DOT com
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Newsgroups: | comp.os.msdos.djgpp
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Subject: | XMS Calls from protected mode
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Date: | Wed, 02 Dec 1998 18:23:31 GMT
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Organization: | Deja News - The Leader in Internet Discussion
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Lines: | 21
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Message-ID: | <7440iv$2i3$1@nnrp1.dejanews.com>
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To: | djgpp AT delorie DOT com
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DJ-Gateway: | from newsgroup comp.os.msdos.djgpp
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Reply-To: | djgpp AT delorie DOT com
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Is it possible to call the XMS handler from protected mode and allocate some
memory? Or is the memory already eaten by the DPMI host?
XMS specification requires that a real-mode handler is called:
Example:
mov ax, 4310h
int 2Fh ; get handler address
mov word ptr [XMSControl], bx
mov word ptr [XMSControl+2], es
mov ah, 00h
call [XMSControl] ; Get XMS version number
Now, how do I do this in protected mode?
Thank you,
James
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