Hi Eric,
I think John already answered your TLDR reply by saying:
"In this instance whether it takes 0.2 second or 1.5 seconds is really
irrelevant."
am Mittwoch, 12. März 2025 um 23:07 schrieben Sie:
> Hi John,
> your task is assembling multi-file assembly language sources.
> That reminds
Hi John,
your task is assembling multi-file assembly language sources.
That reminds me of speeding up complex C project compiles in DOS.
Depending on how your tools work, you may want to try to run the
task in a RAMDISK for comparison. Copy the source files there,
assemble everything, copy the
Hi Tom
I think the emulation speeds achieved by both QEMU and DOSEMU2 are
excellent. In this instance whether it takes 0.2 second or 1.5 seconds
is really irrelevant.
As an aside, when I recently added an SSD to my HP notebook, year 2006
vintage, only a small improvement in speed was gained, s
Hi Eric
Times are just rough ballpark figures for comparison and specific to one
of my primary applications, a command line assembler. In this test case,
the assembly code consists of about 150 modules (files) and amounts to
slightly over 22K lines. Timing is done using 4DOS's TIMER command. I
On Tue, Mar 11, 2025 at 11:53 AM hms--- via Freedos-user
wrote:
>
> Hello
> Thanks Jim and Eric for your replies.
[..]
> The reason I have moved to DOSEMU2 is the ease of transferring files to
> and from the DOS drive. As I previously alluded, my experience mounting
> the QEMU DOS drive image and
Hi!
> DOSEMU2 runs about 4.5 to 6.5 times slower
> compared to MS DOS 5 on an ancient XP PC (VDM). FreeDos 1.2
> under Qemu runs 5.6 to 8.6 times slower. ...
Please explain how you measure speed and which hardware
you used for dosemu2, qemu and "xp vdm", including which
types of disks and part
Hello
Thanks Jim and Eric for your replies. On DOSEMU2, FreeDos's MEM command
reports 633K free on my Linux PC. Same for DRDOS's MEM command. 4DOS's
MEMORY command reports 648K free. For FreeDos under QEMU, the DRDOS MEM
command crashes, FreeDos's MEM command reports 612K free and the MEMORY
On Sun, Mar 9, 2025 at 7:50 AM hms--- via Freedos-user
wrote:
>
> Hi there
[..]
>
> I have been using QEMU and FreeDos up to now. There are several
> drawbacks compared with dosemu2. Copying a large number of files to the
> image and retaining file timestamps is a problem. I achieve this by
> firs
Hi!
Apologies, please disregard my first question in my previous mail.
I did a second clean install of dosemu2 and had failed to edit the
fdppauto.sys file.
John
Dosemu2 defaults to using a special kernel and shell, partly
living in the Linux memory space of Dosemu2 afair. But when
you use
Hi there,
On Sun, 9 Mar 2025, Jim Hall via Freedos-user wrote:
...
I use QEMU to run FreeDOS on my Linux system ...
...
Here are the commands I use:
...
That was incredibly useful. Thank you.
--
73,
Ged.
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Here's the full QEMU command line that I use when I boot FreeDOS after
I install it. This has a bunch of other options, such as to support
sound and to use a second virtual disk as my D: drive.
qemu-system-i386 -enable-kvm -m 32 -rtc base=localtime -audiodev
pa,id=snd -machine pcspk-audiodev=snd -
Hello John,
I've no idea which file is used for booting. I've yet to actually use
dosemu2.
>Writing to the access drive usually crashes QEMU.
I can imagine that perchance, you could use the mtools package on your
Linux hypervisor to read and write directly from the FAT filesystem. If
you ca
Hi there
I have recently installed dosemu2 and and have a couple of questions.
I read that; quote:- "The autoexec.bat used by default for dosemu is
/usr/share/dosemu/dosemu2-cmds-0.2/fdppauto.bat . You can edit it by
opening it with 'sudo gedit [filename]'
in the terminal but you shouldn't nee
Hello again
Apologies, please disregard my first question in my previous mail. I did
a second clean install of dosemu2 and had failed to edit the
fdppauto.sys file.
John
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On 1/14/2025 11:35 AM, Eric Auer via Freedos-user wrote:
Hi!
The dosemu2 people are busy making it run on Android via termux:
https://github.com/user-attachments/assets/ebc47cc9-2734-4f60-9dfd-2fd4304ce353
Certainly not the best place to run EDIT, but definitely cool ;-)
I am pretty sur
Hi!
The dosemu2 people are busy making it run on Android via termux:
https://github.com/user-attachments/assets/ebc47cc9-2734-4f60-9dfd-2fd4304ce353
Certainly not the best place to run EDIT, but definitely cool ;-)
Eric
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Hi people,
for those who are not on the dosemu mailing list:
https://github.com/stsp/dosemu2
is quite active on github now, while the mailing
list is very silent. So if you want to stay up to
date, you can make a github account and "watch"
the project there to follow all discussions and
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