Mail Archives: djgpp/2000/06/12/17:52:03
Yes, Dr-DOS has real pre-emptive multitasking (for more info look at
www.drdos.org )
Bye, Florian
Alexei A. Frounze schrieb in Nachricht
<394509A3 DOT 2DACBAB4 AT the_messasge_body DOT com>...
>Florian X wrote:
>>
>> >You're wrong.
>> >1. HIMEM.SYS has nothing about V86. It just allows to access extended
ram
>> >(above 1MB mark).
>> >2. CWSDPMI as a DOS extender (DPMI host or whatever you like to call it)
>> >passes all the called DOS functions from PMode program to V86 task in
order
>> >to be handled by BIOS, IO.SYS, MSDOS.SYS, etc. None of good DOS
extenders
>> >switches back to real mode in order to service BIOS or DOS function.
>> >
>>
>> Dr-DOS's emm386 driver uses ONLY the V86 mode! And so it also support
>> multitasking...
>
>And PMode PL#0 as well, I believe. I mean V86 monitor is PL#0. :)
>
>As for mutitasking, is DR-DOS really multitasking? I just don't know.
>
>bye.
>Alexei A. Frounze
>-----------------------------------------
>E-mail: alexfru [AT] chat [DOT] ru
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>
>
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