On Fri, 3 May 2024 at 10:58, Gordon Henderson via cctalk
<cctalk(a)classiccmp.org> wrote:
The original Acorn Archimedes (First ARM CPU system) had an OS initially
called "Arthur" which was written in BBC Basic and assembler. It supported
a graphical user interface - later re-written in assembler and called
RISC-OS.
How odd. This is the second time _this evening_ that this false
information has come up.
No, it was not written in BASIC.
Arthur *the OS* was hand-coded in Arm assembly language, including the
BBC BASIC V interpreter.
The GUI, in Arthur called DESKTOP, was written in BASIC. Just the
desktop, nothing else.
Later called the WIMP, and still around today and open source. I wrote
about it: version 5.30 just came out, runs on bare metal on 7
different Arm boards, and on the Raspberry Pi this version supports
Wifi for the first time.
https://www.theregister.com/2024/05/02/rool_530_is_here/
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