🚀 go-pugleaf

Why don't you request DPMI host for a descriptor/selector for 1st megabyte
of RAM? 

Btw, DJGPP (32-bit free GNU C/C++ compiler for DOS) has very good libraries
(DPMI, GO32, MOVEDATA, ...) for all the DPMI things you may ever need. 

Why not to use standard solutions?

bye.
Alexei A. Frounze
-----------------------------------------
Homepage: http://alexfru.chat.ru
Mirror:   http://members.xoom.com/alexfru
PMode...: http://welcome.to/pmode


----------
> ��: Beanpole <beanpoleDEL@sprynet.com>
> ������ ��������: alt.lang.asm; borland.public.tasm; comp.lang.asm.x86
> ����: BIOS & Pmode
> ����: 24 ���� 2000 �. 23:01
> 
> 
> What is the best way to access a BIOS memory location from 32 bit
protected
> mode (DPMI)?
> Right now I'm switching from 32 bit pmode to 16 bit real mode, reading
the
> necessary locations and returning to pmode.  This seems wasteful.  Is
there
> a formula to convert a 16 bit seg:off address to a 32 bit pmode address
for
> direct access or do I need to create a descriptor with its base at 40h. 
I
> appreciate any accurate info.
> Thanks
> Beanpole
>  
> 
>