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Enigma Simulator for RISC OS
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Version 1.70 - 3 November 2016
This is the home page of the Enigma Simulator for RISC OS.
Although RISC OS is not a widely spread Operating System, it was very
popular in British schools in the 1980s and 1990s.
RISC OS is now an open-source
operating system aimed to run on ARM-based platforms.
The Enigma Simulator for RISC OS was created for this platform.
For support on other platforms look here.
➤ Download
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Enigma is the name of an
encryption device
that became well-known for the important role it played during WWII,
when it was used by the German Army.
It is a misconception to believe that there
is only one Enigma. In fact, Enigma is the name of an entire
family of machines.
Messages encrypted on one machine may not decode on another.
The images below giv an impression of the software's cosmetics.
The Enigma Simulator for RISC OS supports all currently known
models.
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Naval Enigma M3
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Naval Enigma M4
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G-312 Abwehr
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Steckerbrett
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- Fully functional Enigma simulation
- Selectable Enigma model (each having a completely different behaviour)
- Support for virtual Enigma machines
- Multiple variants (skins) per model
- Realistic keyboard and lamp panel
- Graphical Steckerbrett
- Mouse and keyboard operation
- Realistic sound samples
- Direct message windows
- Full control over wheel order etc.
- Configurable stecker board
- Scrambler viewer
- Wheel viewer
- Support for foreign languages
- HTML User Manual
- Interactive help
- User choices
- Configurable text buffer
- Serial port support
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- ARMv7 hardware and RISC OS 5.20
Version 1.70 runs perfectly on ARMv7 hardware and on RISC OS 5.20
or later. This includes iMX6 and ARM Cortex-A8 based hardware.
- Raspberry Pi
Users have reported that the Enigma Simulator runs happily on a Raspberry Pi
or RPi Zero, with RISC OS Pi RC16. Users of a RPi Zero should note that the
middle mouse button is not available on the keyboard, so it is best to
connect a wired mouse to the USB subsystem.
- BeagleBoard (BB)
On 17 July 2011, Thomas Milius has reported that !Enigma also runs fine on
the so-called BeagleBoard. BB is a small ARM-based development board that
was chosen for a recent port of open-source RISC OS.
- A9home
On 17 July 2011, Kevin Wells
has reported that !Enigma runs fine on the
A9home,
an ARM-9 based desktop computer in a small blue box, that was released in 2005.
- IYONIX pc and RISC OS 5
Version 1.20 onwards is 32-bit compatible and can be used on the IYONIX pc.
Sound is supported by using DataPlayer. Since the IYONIX can drive large (LCD)
screens, it is perfect for running muliple copies of !Enigma side by side.
- Risc PC and RISC OS 3
The software has been written and tested on a SA Risc PC with RISC OS 3.71.
All animations and sound samples are running in the way they were intended.
Especially the smooth scrolling wheels/windows on the Enigma surface show
off quite nicely on this machine.
- Risc PC and RISC OS 4
!Enigma version 0.30 and later have all been tested on a Risc PC running
RISC OS 4.02, just to see how the graphics behave. Some minor modifications
have been made to the software (version 0.40 onwards) to cope with the
changes in Wimp behaviour in RISC OS 4. Overall speed of the program is
slighly better than under RISC OS 3.
- Kinetic Risc PC and RISC OS 4.03
!Enigma version 0.40 or later works perfectly well with a Kinetic Risc PC.
Overall speed is better than on a standard Risc PC.
- A7000 and RISC OS 3.71
Version 0.40 of !Enigma was the first one to be tested on a brand new
A7000 and the results are remarkably good! Running in a screen mode with
1024 x 768 pixels and 256 colours, the animations are almost as good as on
a Risc PC. This makes !Enigma perfectly suitable for use in schools.
- R7500 RiscStation and RISC OS 4.03
!Enigma is now running very well on an R7500 although I had to tweak
the software a little bit to work around a RISC OS 4 anomaly.
Please note that on this machine the sound plays at about 80% of its normal speed.
- A4 and RISC OS 3.11
The last time I checked the software on this machine (no longer available
to me) it worked fine, but required the main screen to be scrolled down
to see all of the Enigma. The Steckerbrett may appear to be a bit flaky.
- A5000 and RISC OS 3.11
!Enigma is reported to work correctly on an A5000. Please note that
a minimum of 2Mb is needed for the software, so you would probably
need a 4Mb machine.
- A3000 and RISC OS 3.10
I got a report from a user in Ghana (!) that it runs perfectly on this
combination as well. Doesn't this show the rather long life cycle of
Acorn machines? It also shows how well older Acorn machines can be used
for educational purposes.
- Virtual Acorn
Users of Windows® and Mac, please read this:
A fully featured software emulation for RISC OS is now available from UK based
company VirtualAcorn.
The software is supplied on a CD that includes the Enigma Simulator for RISC OS.
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Simulators for other platforms
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Any links shown in red are currently unavailable.
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© Crypto Museum. Last changed: Monday, 14 September 2020 - 10:41 CET.
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