Virtualization Challenge IV – QNX 1.2

(This is a guest post by Antoni Sawicki aka Tenox)

This is a Virtualization Challenge. A competition to virtualize an OS inside emulator/hypervisor. (Previously 1 / 2 / 3)

This time the object of the competition is QNX version 1.2. A demo disk is covered here. This is the set of floppy disks:

As you can see the boot disk is copy-protected. As such I have imaged these disks using both KryoFlux and SuperCard Pro. The magnetic flux stream images are available here. For verification I have converted the raw stream of the demo disk in to a sector image using HFE tool. The converted disk boots and works correctly in an emulator. The demo disk can also help with analyzing the boot process since it’s known to work.

The contest is to virtualize the OS, install it and provide a fully working hard disk image with the OS installed. Any emulator of your choice or method is acceptable as long as anyone can download and run it. The prize is $100 via PayPal and of course the fame! 🙂 The winner will be whoever comments the article first with a verifiable working solution.

A bonus $50 prize will be awarded if you can patch the boot floppy disk so that it can be installed as if the copy protection was never there.

Good luck!!!

QNX 1.1 Demo Disk

(This is a guest post by Antoni Sawicki aka Tenox)

Fresh from the oven, or rather Kryoflux dump – a QNX version 1.1 Demo Disk:

QNX 1.1 Demo Disk

I managed to boot it on 86Box:

QNX 1.1 booted on 86Box Emulator

For the readers with more curiosity and time at their hands please could you try it on different emulators and comment what works and what doesn’t.

For the less curious this how the demo actually looks like once you log in as demo user:

QNX 1.1 Demo Menu

As the authors demand to make as many copies of this disk as possible here it is. Please download and spread!

I also managed to dump the rest of QNX 1.2 including boot disk, utils and even c compiler. Unfortunately the boot disk is copy protected:

I have raw stream dump made with Kryoflux as well as regular disk images. If you are interested in circumventing checking the copy protection so the system could be run in an emulator let me know in a comment. Perhaps time for another Virtualization Challenge?

Previously:

Virtualizing QNX 2

QNX Windows – First Look

QNX 2.21 Arrived Today

PCem v15 released!

The new dynamic recompiler appears to be much more faster, although if you want maximum performance, make sure to set your video card to the fastest possible performance.

I was doing my typical DooM thing, and the performance was abysmal. But I did have an 8bit VGA card selected, so what would I really expect? Interestingly enough in ‘low resolution’ mode it performed quite well, but setting it to the artificial ‘fastest PCI/VLB’ speed it was performing just great.

PCem v15 released. Changes from v14 :

  • New machines added – Zenith Data SupersPort, Bull Micral 45, Tulip AT Compact, Amstrad PPC512/640, Packard Bell PB410A, ASUS P/I-P55TVP4, ASUS P/I-P55T2P4, Epox P55-VA, FIC VA-503+
  • New graphics cards added – Image Manager 1024, Sigma Designs Color 400, Trigem Korean VGA
  • Added emulation of AMD K6 family and IDT Winchip 2
  • New CPU recompiler. This provides several optimisations, and the new design allows for greater portability and more scope for optimisation in the future
  • Experimental ARM and ARM64 host support
  • Read-only cassette emulation for IBM PC and PCjr
  • Numerous bug fixes

Thanks to dns2kv2, Greatpsycho, Greg V, John Elliott, Koutakun, leilei, Martin_Riarte, rene, Tale and Tux for contributions towards this release.

As always PCem can be downloaded here:

8086tiny BIOS patch update

This fun patch allows bigger hard disks, allowing you to run larger OS’s like QNX!

You don’t have to update the emulator, it’s just for the BIOS.  Source is here: Over on github.

8086 Tiny on Windows with ansicon to render the textmode correctly.

Seeing the QNX logo sure has some flashbacks to the Burroughs/Unisys Icon from days of old.  Although it has no relationship to the Waterloo Icon, some housing complex for students.

PCem v13 released

Lots of new features added into this release!

New systems like:

  • IBM PS/2 Model 50
  • IBM PS/2 Model 55SX
  • IBM PS/2 Model 80

New disk controllers!

  • AT Fixed Disk Adapter
  • DTC 5150X
  • Fixed Disk Adapter (Xebec)
  • IBM ESDI Fixed Disk Controller
  • Western Digital WD1007V-SE1
  • Adaptec AHA-1542C
  • BusLogic BT-545S
  • Longshine LCS-6821N
  • Rancho RT1000B
  • Trantor T130B

And plenty of new fixes!  I just installed Citrix 2.0 with the older OS/2 1.2 based drivers, and it works great!

Citrix 2.0 on PCem v13

The full announcement is here, along with downloads for Windows & Linux.

Epyx Rogue 1.48

Rouge 1.48 title screen

Rouge 1.48 title screen

A while back while looking for old Rogue source, and resources I came across this page, which includes a lot of old versions, and source code, and the file rog11src.zip. But looking at the source in this directory the file rogue.h reveals that it is actually 1.48!

#define REV 1
#define VER 48

And the source is all timestamped from late 1984, and throughout 1985.  Well isn’t that exciting!  Also on the same site is rogue-1.48.zip, a binary distribution of Rogue 1.48.  So I thought I’d give it a shot to build it.  The source mentions needing the MANX C compiler, which of course a quick google search yields an ad:

Manx Aztec C86

Manx Aztec C86

Which has all kinds of fascinating information, such as the ability to cross compile from VAX BSD, or PDP-11 BSD, the Amiga, CP/M etc but they don’t actually give any information about versions.

There is, however an Aztec C museum, that hosts several versions.   And they do have the versions, along with the years to show that the C86 compiler that they had for 1985 would be 3.4b

Version 3.4b
Compiler Aztec C 8086 3.40a 7-3-86
(C) 1982,83,84,85 by Manx Software Systems, Inc.

And conveniently, they do have a download link for the comiler here: az8634b.zip

Now, since I’m on Windows 10 x64 I can’t easily run MS-DOS based compilers from 1985 at my native CLI, without a tool, and I chose Takeda Toshiya’s MSDOS.  I was able to ‘bind’ the azmake utility which then could call the needed compiler, assembler, and linker to build an executable without too much work.  I just created a command file, ‘build.cmd’ in the src directory, to setup the paths and needed variables to quickly compile Rogue from the command line.  And a quick attempt at playing it showed that although it does compile, it is unplayable!

Killed

Killed by the Copy Protection Mafia

Well isn’t that great.  There is a copy protection scheme.  But wait, we have source so can’t we just by pass it?  Yes we can!  In the file dos.asm there is some checks for the variables hit_mul & goodchk.  So I did the logical thing, which is before it checks them I just set them to good values.

; fake copy protection
mov hit_mul_, 1
mov goodchk_, 0D0DH

And the good news is that I would no longer get killed by the Mafia, but I couldn’t progress down any levels.  So in the file oprotec.asm, I saw there is some disk check routine called protect, that I went ahead and bypassed by having it immediately jump down to the ‘good’ label. Everything compiles but it still locks up going down a level.  So finally I check rogue.h and commend the #define PROTECT statement, and now it’ll run!

I don’t know if anyone would even care, but I added the PDF manual and all the zip files that I used to source this version.  You can download it here:

rogue-148_binary+source.7z

If you don’t want to run it under MS-DOS, or something like DOSBox, you can use msdos to run it.  The title screen is garbled as it doesn’t emulate CGA, but as the rest is just text mode, it’ll run just fine.

MS-DOS player can now embed executables

So what this means is that now you can make fully standalone Win32/Win64 executables out of CLI based MS-DOS applications.

D:\tcc>msdos\binary\i486_x64\msdos.exe tcc -Iinclude -Llib hi.c
Turbo C++ Version 3.00 Copyright (c) 1992 Borland International
hi.c:
Turbo Link Version 5.0 Copyright (c) 1992 Borland International

Available memory 4215648

D:\tcc>c:msdos\binary\i486_x64\msdos.exe hi
hi!

D:\tcc>c:msdos\binary\i486_x64\msdos.exe -c hi.exe
‘new_exec_file.exe’ is successfully created

D:\tcc>new_exec_file.exe
hi!

Isn’t that great?

I’ve had one issue with Turbo C++ 3.00 and that is the embedded executable will run out of memory while linking, but invoking it by calling msdos.exe let’s it run fine. If you compile and link separately it’ll run just fine.

As always you can find the project page here:

http://takeda-toshiya.my.coocan.jp/msdos/index.html

 

 

 

As requested, PCem v11 with networking

via SLiRP

via SLiRP

injecting networking was no more difficult than it was in version 10.  It’s only a few changes to pc.c, if you look at the USENETWORKING define you’ll see them.  The best notes are on the forum.

I haven’t changed or improved anything it still requires manual configuration.

Downloads are available on my site as pcem_v11_networking.7z.  You’ll have to defeat the password protection, as always.  I included the source, it ought to be trivial to rebuild.

*For anyone using an old version the ‘nvr’ directory is missing, so PC-em is unable to create new non volatile ram save files, meaning you always loose your BIOS settings.  Sorry I missed that one.

PCem v11 released

I haven’t had time to follow it, but great news!

PCem v11 released. Changes from v10.1 :

  • New machines added – Tandy 1000HX, Tandy 1000SL/2, Award 286 clone, IBM PS/1 model 2121
  • New graphics card – Hercules InColor
  • 3DFX recompiler – 2-4x speedup over previous emulation
  • Added Cyrix 6×86 emulation
  • Some optimisations to dynamic recompiler – typically around 10-15% improvement over v10, more when MMX used
  • Fixed broken 8088/8086 timing
  • Fixes to Mach64 and ViRGE 2D blitters
  • XT machines can now have less than 640kb RAM
  • Added IBM PS/1 audio card emulation
  • Added Adlib Gold surround module emulation
  • Fixes to PCjr/Tandy PSG emulation
  • GUS now in stereo
  • Numerous FDC changes – more drive types, FIFO emulation, better support of XDF images, better FDI support
  • CD-ROM changes – CD-ROM IDE channel now configurable, improved disc change handling, better volume control support
  • Now directly supports .ISO format for CD-ROM emulation
  • Fixed crash when using Direct3D output on Intel HD graphics
  • Various other fixes

Thanks to Battler, SA1988, leilei, Greatpsycho, John Elliott, RichardG867, ecksemmess and cooprocks123e for contributions towards this release.

Downloads are available for Windows & Linux.

PCem

PCem v9

PCem v9

From the main page:

PCem v9 released. Changes from v8.1 :

  • New machines – IBM PCjr
  • New graphics cards – Diamond Stealth 3D 2000 (S3 ViRGE/325), S3 ViRGE/DX
  • New sound cards – Innovation SSI-2001 (using ReSID-FP)
  • CPU fixes – Windows NT now works, OS/2 2.0+ works better
  • Fixed issue with port 3DA when in blanking, DOS 6.2/V now works
  • Re-written PIT emulation
  • IRQs 8-15 now handled correctly, Civilization no longer hangs
  • Fixed vertical axis on Amstrad mouse
  • Serial fixes – fixes mouse issues on Win 3.x and OS/2
  • New Windows keyboard code – should work better with international keyboards
  • Changes to keyboard emulation – should fix stuck keys
  • Some CD-ROM fixes
  • Joystick emulation
  • Preliminary Linux port

Thanks to HalfMinute, SA1988 and Battler for contributions towards this release.

Very excellent!