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32-bit acorn software: other • Re: best hardware for Acorn demos

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The A3010 should run most if not all demos. But if you really want them running on the Pi...

You could probably get some working on the Pi with ADFFS, by wrapping the !Run with "GOARM3JIT 0" / "GOARM3JIT" to enable ARM3/IOC emulation whilst the demo is running, but your mileage will vary.

The double screens you're seeing are where the demos are using modes not support on the Pi400, having ADFFS loaded in the background will provide support for legacy modes but again your mileage will vary as without the JIT, they'll probably fail due to CPU incompatibilities.

ADFFS provides some other features to help, such as "ADFRemapVideoMemory" which will remap video memory to match an IOC based chipset and provide VIDC emulation. Again you'd need to wrap the !Run along the lines of "ADFRemalVideoMemory 13 160" / "ADFRemapVideoMemory" to allocate 160K in MODE 13.

I'd read the !ADFFS Help file if you want to know more.


As for games on the RiscPC, as I've mentioned in the Sim City 2000 thread the IOMD builds of ADFFS haven't been through the extensive testing the Pi builds have, but should in theory run any game sourced via PackMan from the JASPP repository. There are bugs in the current ADFFS 2.84 release on IOMD, so you'll want to upgrade to the ADFFS 2.85 public beta. If you find games that don't work, please report them on that thread so I can debug them.

Statistics: Posted by sirbod — Sun Oct 27, 2024 1:24 am



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