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Julius Schwartzenberg | 9 Apr 2013 21:29
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Switching floppy disk images

Hi,

Maybe I missed it, but I haven't been able to find out how to switch 
floppy images while DOSEMU is running.

Since most computers nowadays ship without floppy drives, I guess using 
floppy images with DOSEMU is more common practice now than it was 
originally. If this feature doesn't exist yet, would it be doable to add it?

Is it already possible to switch floppy images while DOSEMU is running 
or could I open a feature request?

Thanks,
Julius

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Julius Schwartzenberg | 25 Mar 2013 23:27
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Running GRUB4DOS

I'm not sure whether all crash bugs are really bugs or whether it is
sometimes intended. When I run GRUB4DOS (version 0.4.5c), current GIT
crashes with the following output:
ERROR: unexpected CPU exception 0x0d err=0x00000000 cr2=00000000 while
in vm86 (DOS)
Program=sigsegv.c, Line=193
EIP: 0000:00005f82 ESP: 256e:00000bee  VFLAGS(b): 00000 00111010 10000110
EAX: 0040de00 EBX: 0002ace0 ECX: 00000000 EDX: 00000000 VFLAGS(h): 00003a86
ESI: 000c4000 EDI: 00001000 EBP: 0000091e DS: 256e ES: c400 FS: 2540 GS:
2024
FLAGS: PF SF IF OF RF VM VIF  IOPL: 3
STACK: 01 58 72 c9 8b 74 30 01 de 89 -> 75 06 80 0d 04 f6 05 02 74 03
OPS  : 00 00 00 00 00 00 00 00 00 ff -> ff ff ff ff ff 02 00 00 00 00
        ff                  0000:5f82 db FF

I can imagine that this is not really intended to work however, but I
would expect something other than just a crash in this case.

Should I report such things in the bugtracker as well or is this just
intended behavior?

Thanks!
Julius

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solarflow99 | 11 Mar 2013 21:34
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dosemu over an ssh session

I just had this question in case anyone has had success running games
and other programs this way?

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Stas Sergeev | 20 Feb 2013 10:45
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Re: [Dosemu-cvs] [SCM] dosemu branch devel updated. dosemu-1.4.0.8-176-g1fa232b

20.02.2013 06:32, Bart Oldeman пишет:
> This is an automated email from the git hooks/post-receive script. It was
> generated because a ref change was pushed to the repository containing
> the project "dosemu".
>
> The branch, devel has been updated
>        via  1fa232bb6459af5f6da11a1202da517769de923d (commit)
>       from  490ef331b936f086627ec2335657868bda7f42ea (commit)
>
> Those revisions listed above that are new to this repository have
> not appeared on any other notification email; so we list those
> revisions in full, below.
>
> - Log -----------------------------------------------------------------
> http://sourceforge.net/p/dosemu/code/ci/1fa232bb6459af5f6da11a1202da517769de923d
>
> commit 1fa232bb6459af5f6da11a1202da517769de923d
> Author: Bart Oldeman <bartoldeman <at> users.sourceforge.net>
> Date:   Tue Feb 19 21:20:08 2013 -0500
>
>     Regenerate configure and config.h.in for Stas' pthread changes.
>
Great, lets merge it to master then.
But the console switching code (esp the threaded memcpy)
and the new OPL code needs testing & ACKs.
In particular, I wonder why chocolate-doom went through all
the troubles of porting dbopl, if they could instead simply take
adlibemu.c, which _seemingly_ works much better. I don't have
an answer to that, but there could have been some reason.
(Continue reading)

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Stas Sergeev | 19 Feb 2013 14:34
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Re: [Dosemu-cvs] [SCM] dosemu branch devel updated. dosemu-1.4.0.8-175-g490ef33

18.02.2013 06:07, Bart Oldeman пишет:
> commit 490ef331b936f086627ec2335657868bda7f42ea
> Merge: 32bda39 6f398fd
> Author: Bart Oldeman <bartoldeman <at> users.sourceforge.net>
> Date:   Sun Feb 17 21:06:44 2013 -0500
>
>     Merge branch 'master' into devel
>
>
> -----------------------------------------------------------------------
>
> Summary of changes:
>  configure                         |  354 ++++++++++++++++++------------------
But devel needs a separate autoreconf (or autoconf) now.
I changed configure.in some time ago.

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Julius Schwartzenberg | 17 Feb 2013 19:33
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Different problems with different cpu_emu settings

Doing some simple testing with Dosemu, I discovered these issues with
the current version from GIT.

When setting $_cpu_emu to "fullsim" or "vm86sim", I cannot perform a
"sys a: c:" when using a Windows 95 bootdisk and a harddisk image for
c:. I get this message then "No room for system on destination disk".
(There is more than enough disk space.)
With $_cpu_emu set to "vm86" or "full" it works correctly.

I also have set up Dosemu to use my DVD-ROM device directly together
with MSCDEX. This works on the contrary only with $_cpu_emu set to
either "fullsim" or "vm86sim".
When I use "vm86" or "full", and try to access the inserted disk, I do
hear the disk spin up, but then I get: "CDR101: Not read reading drive
P". Pressing F for fail multiple times results in an "Fail on INT 24"
message.

I'm using the Windows95a.img bootdisk from this page (with Dosemu's
cdrom.sys added):
http://www.allbootdisks.com/download/95.html

Are such problems known? Would this be an appropriate way to report them
(or would it be preferred to create a ticket)?

My specs:
Ubuntu 12.04 AMD64 with kernel 3.5.0-23-generic
x86-64 version of Dosemu
Intel Core2 Duo P9500, 4GB RAM (notebook)

Please let me know if there is anything I could do to help solve these
(Continue reading)

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Edward Mendelson | 8 Feb 2013 06:33
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Odd problem with WordPerfect under latest git

Here is a very strange problem that someone reported to me, and which I 
have now confirmed under the latest git version built and running under 
up-to-date Ubuntu.

In both WordPerfect for DOS 5.1+ and WordPerfect for DOS 6.2, when 
$_cpu_emu = "vm86sim", every line in a WordPerfect document moves to the 
far left edge of the page. Even if the left margin is set at 2 cm. or 3 
inches, the text moves to the left edge of the page itself. (Actually to 
a margin of 0.25 inches, or whatever WordPerfect thinks is the edge of 
the printable area on the page.)

This problem is visible in Print Preview (Shift-F7, View Document), and 
also on printed output.

If $_cpu_emu = "vm86", then this problem does not occur in WordPerfect 
5.1+, and all pages are printed normally. Unfortunately, with that 
setting, WordPerfect 6.2 does not run at all.

The same problem occurs with all other CPU emulation options that I 
tried. Only "vm86" produces the correct page layout, and, of course, it 
does so only with WordPerfect 5.1+, because WordPerfect 6.x does not run 
with the "vm86" setting.

Steps to reproduce:

1. Edit ~/.dosemurc  so that $_cpu_emu = "vm86sim"

2. Launch dosemu and lredir a director that contains WordPerfect.

3. Start WordPerfect for DOS.
(Continue reading)

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solarflow99 | 30 Jan 2013 16:02
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console and ssh

This is a simple question, I was just wondering what is the preferred
method of running for the console was, I was trying to test some games
and other programs and most won't work unless i'm in an xterm:

dosemu -s -D9+Sc -f /etc/dosemu/dosemu.conf

Any changes needed for dosemu.conf for this?

Thanks,

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Frantisek Hanzlik | 28 Jan 2013 14:39
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'ERROR: general protection at 0x70200: 0' ?

Help again,

I can start DOSEMU 1.4.0.8-112.g760339c in both xterm and console,
but when I then run program (it is only installer for any DOS
acoounting SW), then in xterm it run fine, but when I start it
in console or in xterm with '-t' switch, then I will get error:

DOSEMU 1.4.0.8 (2013-01-28), configured: 2013-01-28 10:21:14 +0100
Please test against a recent version before reporting bugs and problems.
Submit Bugs & Patches to linux-msdos@... or via http://dosemu.org.
FreeDOS kernel build 2036 cvs [version Aug 18 2006 compiled Aug 18 2006]
Kernel compatibility 7.10 - WATCOMC - 80386 CPU required - FAT32 support

(C) Copyright 1995-2006 Pasquale J. Villani and The FreeDOS Project.
All Rights Reserved. This is free software and comes with ABSOLUTELY NO
WARRANTY; you can redistribute it and/or modify it under the terms of the
GNU General Public License as published by the Free Software Foundation;
either version 2, or (at your option) any later version.
C: HD1, Pri[ 1], CHS=    0-1-1, start=     0 MB, size=   392 MB
D: HD2, Pri[ 1], CHS=    0-1-1, start=     0 MB, size=   392 MB
E: HD3, Pri[ 1], CHS=    0-1-1, start=     0 MB, size=   392 MB
F: HD4, Pri[ 1], CHS=    0-1-1, start=     0 MB, size=   392 MB
dosemu XMS 3.0 driver installed.
dosemu EMS driver rev 0.5 installed.
Kernel: allocated 30 Diskbuffers = 15960 Bytes in HMA
Z: = LINUX\FS\ attrib = READ ONLY

FreeCom version 0.84-pre2 XMS_Swap [Aug 28 2006 00:29:00]
Sound on: SB at 0x220-0x22f, IRQ=5, DMA8=1, DMA16=5. MPU-401 at 0x330-0x331.
D: = LINUX\FS/HOME/HANZLIK attrib = READ/WRITE
(Continue reading)

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Frantisek Hanzlik | 28 Jan 2013 08:02
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undefined reference to `sb_mixer_register_write'

Hello DOSEMU hackers,

Just trying build git version DOSEMU (dosemu-1.4.0.8-111.g5205669 ?)
I ends with linker error:

...onous-unwind-tables -o emu.o emu.c
In file included from /usr/include/stdio.h:28:0,
                 from emu.c:59:
/usr/include/features.h:314:4: warning: #warning _FORTIFY_SOURCE requires compiling with
optimization (-O) [-Wcpp]
gcc -std=gnu99 -Wl,-warn-common -Wl,-z,relro  -rdynamic -o ../1.4.0.8/bin/dosemu.bin emu.o \
   -Wl,--whole-archive lib/libenv_video.a lib/libbase.a lib/libbase_async.a
lib/libarch_linux_async.a lib/libarch_linux_mapping.a lib/libbase_misc.a
lib/libbase_misc_libpcl.a lib/libbase_dev_misc.a lib/libemu-i386.a lib/libenv.a
lib/libbase_speaker.a lib/libbase_dev_pic.a
lib/libdosext_dpmi.a lib/libdosext_mfs.a lib/libdosext_misc.a lib/libbase_init.a
lib/libbase_serial.a lib/libbase_mouse.a lib/libbase_dev_dma.a lib/libarch_linux_debugger.a
lib/libdosext_net_net.a lib/libdosext_sound.a lib/libarch_linux_dosext_sound.a
lib/libbase_dev_sb16.a lib/libbase_sound.a lib/libdosext_drivers.a lib/libbase_bios.a
lib/libplugin_fluidsynth.a lib/libplugin_X.a lib/libplugin_gpm.a
lib/libplugin_extra_charsets.a lib/libplugin_alsa.a lib/libplugin_term.a
lib/libplugin_midimisc.a lib/libplugin_sdl.a
lib/libplugin_kbd_unicode.a lib/libplugin_commands.a lib/libplugin_sndfile.a
lib/libplugin_translate.a lib/libplugin_translate_charsets.a -Wl,--no-whole-archive -lvga
-lrt  -ldl -lm
lib/libdosext_sound.a(sound.o): In function `sb_io_write':
/mnt/ARCHIV/dist/RH/MyRPMs/BUILD/dosemu-1.4.0.8/src/dosext/sound/sound.c:768: undefined
reference to `sb_mixer_register_write'
collect2: error: ld returned 1 exit status
make[2]: *** [../1.4.0.8/bin/dosemu.bin] Error 1
(Continue reading)

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Edward Mendelson | 23 Jan 2013 16:04
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Confirming that VGA fonts, mode mono underlining now work.

A few months ago, I was asked whether a problem I had reported had been fixed ("second VGA font bank" was
wrongly displayed with the bold attribute). I'd like to confirm that it has been fixed. Thank you!

I think I also reported that underline mode didn't work in mode mono; that now works too.

Thank you again for these excellent developments. I look forward to a full release!

Edward Mendelson
Contributing Editor
PC Magazine

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