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ArcEm – The Acorn Archimedes Emulator

ArcEm – The Acorn Archimedes Emulator

2023-09-26 09:42:46

What’s ArcEm?

ArcEm is a conveyable open-source emulator for the Acorn Archimedes. It is able to working a number of working techniques together with RISC OS and ARM Linux.

ArcEm runs on:

  • Amiga OS
  • Mac OS X
  • Microsoft Home windows
  • Unix (X Home windows)

In the event you’re occupied with serving to the undertaking, try the developer page.


sixteenth April 2017 – ArcEm 1.50.2 launch for RISC OS
That is only a upkeep launch for the RISC OS model of ArcEm. In comparison with 1.50.1, the one notable change is that the code has been rebuilt utilizing GCC 4.7.4 launch 3, resolving an ARMv8 compatibility challenge that was current with the earlier launch. Seize the brand new model now from the SourceForge project files page.
18th December 2015 – ArcEm 1.50.1 launch for RISC OS
That is only a upkeep launch for the RISC OS model of ArcEm. There are solely two notable modifications in comparison with 1.50:

  • The launched binary has been compiled with GCC 4.7.4, eliminating a null pointer deference bug that was current with the earlier model of GCC/UnixLib
  • Assist has been added for the brand new display modes launched with RISC OS 5.21 (e.g. 64k color modes and pink/blue swapped modes), enhancing compatibility with new machines

Seize the brand new model now from the SourceForge project files page.

sixteenth December 2012 – ArcEm 1.50 launch
The total ArcEm 1.50 launch is now obtainable for RISC OS, Home windows, Mac OS X, and Amiga OS – get it here. The supply code is on the market and might be constructed for Unix-like platforms.
twenty first October 2012 – 1.50 alpha 2 for RISC OS
An up to date alpha construct has been launched for RISC OS – get it here. This model has improved error reporting, fixes to the tweak menu, and can run appropriately on the Raspberry Pi.
twenty third July 2012 – ArcEm 1.50 alpha launch
A brand new alpha construct – ArcEm 1.50 alpha – is now obtainable for AmigaOS 3, AmigaOS 4, Mac OS X, RISC OS, and Home windows.
eleventh June 2012 – ArcEm nonetheless going
Could 2012 noticed a push of numerous updates, vital efficiency enhancements from Jeffrey Lee.


New in ArcEm 1.50

  • VIDC1 sound help on Amiga, RISC OS & Unix/X11
  • Emulation of 512kB, 1MB, 2MB, 4MB, 8MB, 12MB, or 16MB of RAM
  • Emulation of ‘Extension ROMs’ as discovered within the Acorn A4
  • ARM3 emulation
  • ArcEm clock set from Host’s clock, partial RTC help
  • Correct video and timer emulation
  • Show upscaling
  • Rectangular pixel facet ratio correction (RISC OS, Home windows & X11)
  • Vital efficiency enhancements, making ArcEm run higher on gradual {hardware}
  • When emulating RISC OS:
    • HostFS – A RISC OS file system to permit use of a listing on the Host Submitting system as a digital exhausting drive
    • Mouse Scroll wheel help
    • Additional video modes, as much as 1024×768 in 16 colors and 800×600 in 256 colors

ArcEm 1.00

  • Acorn A400 with ARM 2 processor
  • Runs RISC OS and ARM Linux
  • 4MB of RAM
  • Assist for .adf floppy disc pictures
  • Assist for ST506 exhausting discs as much as 64MB in dimension



Keep in mind to examine the User Manual for set up and compilation data. Our downloads can be found from SourceForge:

Supply code is in CVS:

Varied builds of ArcEm are additionally obtainable from third celebration sources:

See Also

Assist Information

Having Issues?


Please have a learn by the User manual, to see if it solutions your questions.

Mailing listing

Be a part of the person mailing listing, arcem-user, and ask a query there, or examine the archives to see if anybody else has had the identical downside.

Reporting bugs

ArcEm makes use of SourceForge’s bug monitoring system, you possibly can enter a bug report here.

Source Link

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