arcem 0.50

arcem is an emulator of the Acorn Archimedes, early ARM based computer.

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GPL (GNU General Public License) 
3.3/5 17
Dave Gilbert
ROOT \ System \ Emulators
arcem is an emulator of the Acorn Archimedes, early ARM based computer. Peter Naulls has now created a Sourceforge project for Arcem on Unix, Win32 and RISC OS, this is the best source of the latest versions of Arcem.


The armulator has one configuration option, the default endianness of the processor. This can be changed by building with ENDIAN=BIGEND to produce a big-endian variant. The debugger can also select the endianness at run-time.

Build instructions:

This program is known to compile using GCC 2.6.0 on a Sun4. Other builds are untested. It almost certainly will not work on non-32bit machines.

To build the program simply type make in the source directory, followed by "make install"

Using the emulator:

The emulator runs as a separate process, and communicates with a debugger via tcp. To start the emulator type armul < socknum > where socknum is any number between 1024 and 65535. If the socket is already in use, armul will exit with an error.

This version of armul has been designed to work with gdb-4.13 with the ARM/RDP/RDI extensions added (available separately). To connect gdb to the ARMulator, start gdb and type target arm < hostname >:< socknum > where hostname is the name of the machine on which the armulator is running, and socknum is the socket number specified when armul was started.

Last updated on November 21st, 2007

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