Re: [Freedos-devel] Questions on EMM386 (part2 and last)

2005-01-18 Thread Arkady V.Belousov
Hi! 18-Янв-2005 11:36 [EMAIL PROTECTED] (Alain) wrote to freedos-devel@lists.sourceforge.net: A> I eny case here is the axplanation about may and can: A> He can do that. => He is phisicaly able to do that. A> He may do that. => 1) He is allowed to do that. or 2) Pehaps he will A> chose to do that

Re: [Freedos-devel] Questions on EMM386 (part2 and last)

2005-01-18 Thread Alain
Arkady V.Belousov escreveu: Huh. For me, with my poor self-teached English, all above sounds as mumba-yumba. :) First of all, let me state that your english is much much better then when we startd tlaking about cute mouse. In fact I see that now you understand most enghish idioms and stran

Re: [Freedos-devel] Questions on EMM386 (part2 and last)

2005-01-16 Thread Arkady V.Belousov
Hi! 16-Янв-2005 04:15 [EMAIL PROTECTED] (Michael Devore) wrote to freedos-devel@lists.sourceforge.net: >>MD> As far as UMB's, I'm not sure if turning off the A20 line affects memory >>MD> mapping from physical odd-address Mb. Seems like it should, >> Michael, strange to see such sentences f

Re: [Freedos-devel] Questions on EMM386 (part2 and last)

2005-01-16 Thread Michael Devore
At 04:19 AM 1/16/2005 +0300, Arkady V.Belousov wrote: MD> As far as UMB's, I'm not sure if turning off the A20 line affects memory MD> mapping from physical odd-address Mb. Seems like it should, Michael, strange to see such sentences from you. A20 is a pin of (186 and higher) CPU, which used

Re: [Freedos-devel] Questions on EMM386 (part2 and last)

2005-01-15 Thread Aitor Santamaría Merino
Hi, Arkady V.Belousov escribiÃ: MD> I don't think it affects anything important. MD> As far as UMB's, I'm not sure if turning off the A20 line affects memory MD> mapping from physical odd-address Mb. Seems like it should, Michael, strange to see such sentences from you. A20 is a pin of (186 an

Re: [Freedos-devel] Questions on EMM386 (part2 and last)

2005-01-15 Thread Arkady V.Belousov
Hi! 12-Янв-2005 17:46 [EMAIL PROTECTED] (Michael Devore) wrote to freedos-devel@lists.sourceforge.net: >>MD> Nothing on an application level should need to disable A20 and if it did, >>MD> it would crash things loaded in a UMB due to loss of memory access, not to >>---

Re: [Freedos-devel] Questions on EMM386 (part2 and last)

2005-01-13 Thread Arkady V.Belousov
Hi! 13-Янв-2005 23:11 [EMAIL PROTECTED] (AITOR SANTAMARIA MERINO) wrote to freedos-devel@lists.sourceforge.net: >>ASM> .486p >>ASM> What happens in that case if I have a pure 386? >>Nothing wrong, unless you use in your source some 486-specific >>instruction and try to execute it on 386. ASM>

RE: Re: [Freedos-devel] Questions on EMM386 (part2 and last)

2005-01-13 Thread AITOR SANTAMARIA MERINO
Hi, - Mensaje Original - Remitente: Michael Devore [EMAIL PROTECTED] Destinatario: freedos-devel@lists.sourceforge.net Fecha: Jueves, Enero 13, 2005 1:21am Asunto: Re: [Freedos-devel] Questions on EMM386 (part2 and last) >At 03:57 PM 1/12/2005 +0300, Arkady V.Belousov wrote: &

RE: Re: [Freedos-devel] Questions on EMM386 (part2 and last)

2005-01-13 Thread AITOR SANTAMARIA MERINO
Hi, - Mensaje Original - Remitente: "Arkady V.Belousov" [EMAIL PROTECTED] Destinatario: freedos-devel@lists.sourceforge.net Fecha: Miércoles, Enero 12, 2005 2:12pm Asunto: Re: [Freedos-devel] Questions on EMM386 (part2 and last) >Hi! >4-ñÎ×-2005 01:00 [EMAIL P

Re: [Freedos-devel] Questions on EMM386 (part2 and last)

2005-01-12 Thread Michael Devore
At 03:57 PM 1/12/2005 +0300, Arkady V.Belousov wrote: MD> Nothing on an application level should need to disable A20 and if it did, MD> it would crash things loaded in a UMB due to loss of memory access, not to --^^^ HMA ? MD> mention DOS image loaded high going

Re: [Freedos-devel] Questions on EMM386 (part2 and last)

2005-01-12 Thread Arkady V.Belousov
Hi! 4-Янв-2005 20:05 [EMAIL PROTECTED] (Michael Devore) wrote to freedos-devel@lists.sourceforge.net: >>Can freedos be use in a real-time environment successfully? Yes, of course, because DOS itself doesn't uses machine resources until you call it explicitly. On the other side, DOS is not a

Re: [Freedos-devel] Questions on EMM386 (part2 and last)

2005-01-12 Thread Arkady V.Belousov
Hi! 3-Янв-2005 19:20 [EMAIL PROTECTED] (Michael Devore) wrote to freedos-devel@lists.sourceforge.net: >>local_disable_a20: >> mov ax,1 >> mov bl,0 >> retf MD> Nothing on an application level should need to disable A20 and if it did, MD> it would crash things loaded in a UMB due to loss of m

Re: [Freedos-devel] Questions on EMM386 (part2 and last)

2005-01-12 Thread Arkady V.Belousov
Hi! 4-Янв-2005 01:00 [EMAIL PROTECTED] (Aitor Santamarэa Merino) wrote to freedos-devel@lists.sourceforge.net: ASM> (1) This one is easy: ASM> .486p ASM> Does this mean to use 486-specific instructions (that is, not to ASM> complain if one comes across 486-specific instructions)? This one j

Re: [Freedos-devel] Questions on EMM386 (part2 and last)

2005-01-05 Thread Arkady V.Belousov
Hi! 3-Янв-2005 22:11 [EMAIL PROTECTED] (Alain) wrote to freedos-devel@lists.sourceforge.net: >> the next remaining big todo for EMM >> is to have XMS/EMS shared memory pools, A> Is this really important? Do many people need this on OLD hardware? This not relates to "old hardware". "Shared p

Re: [Freedos-devel] Questions on EMM386 (part2 and last)

2005-01-04 Thread Alain
if the real-time is INSIDE your program: yes if you want a real-time-OS to run many programs: no Alain [EMAIL PROTECTED] escreveu: Can freedos be use in a real-time environment successfully? Chris --- The SF.Net email is sponsored by: Beat the pos

Re: [Freedos-devel] Questions on EMM386 (part2 and last)

2005-01-04 Thread Michael Devore
At 06:01 PM 1/4/2005 -0500, Chris wrote: Can freedos be use in a real-time environment successfully? Kind of depends on your task priority needs and data collection, interface, latency, and throughput requirements. You could use FreeDOS for a stock-ticker program without fear, but I would stay a

Re: [Freedos-devel] Questions on EMM386 (part2 and last)

2005-01-04 Thread mr_ada
Can freedos be use in a real-time environment successfully? Chris --- The SF.Net email is sponsored by: Beat the post-holiday blues Get a FREE limited edition SourceForge.net t-shirt from ThinkGeek. It's fun and FREE -- well, almosthttp://

Re: [Freedos-devel] Questions on EMM386 (part2 and last)

2005-01-04 Thread Michael Devore
At 02:05 PM 1/4/2005 +0100, Aitor Santamaría Merino wrote: Michael Devore escribió: Now one more future wishes question: I guess that after Michael's excellent work through VCPI and VDS, the next remaining big todo for EMM is to have XMS/EMS shared memory pools, does it mean that EMM's XMS manag

Re: [Freedos-devel] Questions on EMM386 (part2 and last)

2005-01-04 Thread Aitor Santamaría Merino
Hi Michael, Thanks for your reply. Michael Devore escribió: Now one more future wishes question: I guess that after Michael's excellent work through VCPI and VDS, the next remaining big todo for EMM is to have XMS/EMS shared memory pools, does it mean that EMM's XMS manager is enlarged to XMS fu

Re: [Freedos-devel] Questions on EMM386 (part2 and last)

2005-01-03 Thread Michael Devore
At 01:00 AM 1/4/2005 +0100, Aitor Santamaría Merino wrote: .486p Does this mean to use 486-specific instructions (that is, not to complain if one comes across 486-specific instructions)? What happens in that case if I have a pure 386? A 386 won't kick out a 486 protected instruction to be emulate

Re: [Freedos-devel] Questions on EMM386 (part2 and last)

2005-01-03 Thread Alain
Aitor Santamaría Merino escreveu: [...] Now one more future wishes question: I guess that after Michael's excellent work through VCPI and VDS, Yes, indeed :) the next remaining big todo for EMM is to have XMS/EMS shared memory pools, Is this really important? Do many people need this on OLD hard

[Freedos-devel] Questions on EMM386 (part2 and last)

2005-01-03 Thread Aitor Santamaría Merino
Hi, I've been further reading more concisely the sources of EMM386, and came up with more questions, this time the last ones (I don't go into the detail of knowing exactly every single line of the EMM manager, for example; I just want to understand its functioning). I hope you can help me this

Re: [Freedos-devel] Questions on EMM386

2004-12-03 Thread Aitor Santamaría Merino
Hi, Michael Devore escribió: As it is currently a quite active development project, any nontrivial changes to EMM386 unrelated to fixing a verified bug should be sync'ed through me or Tom. Unannounced code changes to EMM386 could make Michael cry and misbehave. Sure :) Aitor ---

Re: [Freedos-devel] Questions on EMM386

2004-12-03 Thread Aitor Santamaría Merino
Hi, Thanks to all (Jeremy, Tom, Eric, Arkady), I just reply to Arkady because it's more convenient for the replies... Arkady V.Belousov escribiÃ: Hi! 3-ÐÐÐ-2004 19:12 [EMAIL PROTECTED] (Aitor SantamarÑa Merino) wrote to [EMAIL PROTECTED]: ASM> (2) What is the meaning of this structure? How much m

Re: [Freedos-devel] Questions on EMM386

2004-12-03 Thread Michael Devore
At 07:12 PM 12/3/2004 +0100, Aitor Santamaría Merino wrote: Hi there, I have started reading EMM386.ASM (not the latest "hot" version, but the previous one, not many changes I assume), and although I haven't yet finished, I think I'd need a couple of hints on some things there. BTW quite an inte

Re: [Freedos-devel] Questions on EMM386

2004-12-03 Thread Arkady V.Belousov
Hi! 3-Дек-2004 19:53 [EMAIL PROTECTED] (tom ehlert) wrote to Aitor Santamarэa Merino <[EMAIL PROTECTED]>: >> (5) In the startup of the driver, it is set 00AAh into memory >> 0040h:0072h, but I can't find references to this BIOS variable, what is >> that? te> it's LPT4. and scince ther's no LPT4,

Re: [Freedos-devel] Questions on EMM386

2004-12-03 Thread Arkady V.Belousov
Hi! 3-Дек-2004 19:12 [EMAIL PROTECTED] (Aitor Santamarэa Merino) wrote to [EMAIL PROTECTED]: ASM> (2) What is the meaning of this structure? How much memory does it ASM> weight actually, or how does the assembler determine that? (the bit that ASM> I ignore is the (?)) ASM> RES_STACK SEGMENT PARA

Re: [Freedos-devel] Questions on EMM386

2004-12-03 Thread Kenneth J. Davis
Aitor Santamaría Merino wrote: I can't answer anything emm386 specific, but maybe this'll help a little until Michael/Tom/? answers. Hi there, I have started reading EMM386.ASM (not the latest "hot" version, but the ... (2) What is the meaning of this structure? How much memory does it weight act

Re: [Freedos-devel] Questions on EMM386

2004-12-03 Thread tom ehlert
Hello Aitor, I leave the rest to michael, but > (4) What are those special comments/marks for? What are they indicating? > They are all over the sources > ; (*-9-*) > ; (#-9-#) that's historic, kind of pre-diff; it was published (printed) in several versions, and the later ones had ; (*-9-*)

[Freedos-devel] Questions on EMM386

2004-12-03 Thread Aitor Santamaría Merino
Hi there, I have started reading EMM386.ASM (not the latest "hot" version, but the previous one, not many changes I assume), and although I haven't yet finished, I think I'd need a couple of hints on some things there. BTW quite an interesting pierce of work! :-) I suppose some of them are relat