[Oberon] ARM Varieties (was: Copy or reinstall A2?)

[Liam Proven]

On Thu, 22 Jul 2021 at 04:06, Chris Burrows <cfbsoftware at gmail.com> wrote:
>
> I assumed by saying *the* RISC machine to this audience he meant
> Wirth's RISC5. However, if that is so, I would not categorise the task
> as a 'relatively small investment'.

Fair point.

> Good luck with that! The ARM company have designed a wide range of
> different architectures with varying degrees of (in)compatibility.
>
> https://en.wikipedia.org/wiki/List_of_ARM_microarchitectures
>
> AFAICS the ARM compiler in A2 targets the StrongArm architecture
> developed by DEC in the 1990s which belongs to the ARM8 family.
>
> ARM architectures used by the various versions of Raspberry Pi include
> ARM11, Cortex-A7, Cortex-A53 and Cortex-A72

Oh dear. I had not considered that...


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