Editing Acorn Archimedes (section)

=== Arthur operating system ===

Reminiscent of the BBC Micro upon its release, the earliest Archimedes models were delivered with provisional versions of the Arthur operating system,<ref name="acornuser198801_arthur">{{ cite magazine | url=https://archive.org/details/AcornUser066-Jan88/page/n14/mode/1up | title=More releases swell software catalogue | magazine=Acorn User | date=January 1988 | access-date=25 April 2021 | pages=13 }}</ref> for which upgrades were apparently issued free of charge, thus avoiding the controversy around early ROM upgrades for the BBC Micro.<ref name="pcw198211_beeb">{{ cite magazine | url=https://archive.org/details/PersonalComputerWorld1982-11/page/n85/mode/1up | title=Beeb backlog banished? | magazine=Personal Computer World | last1=Kewney | first1=Guy | date=November 1982 | access-date=24 April 2021 | pages=84 }}</ref> In early 1988, Arthur 1.2 was delivered in an attempt to fix the deficiencies and problems in the earlier versions of the software.<ref name="acornuser198804_arcwriter">{{ cite magazine | url=https://archive.org/details/AcornUser069-Apr88/page/n10/mode/1up | title=ArcWriter plagued with bugs | magazine=Acorn User | date=April 1988 | access-date=25 April 2021 | pages=9 }}</ref> However, even after Arthur 1.2 had been released, a reported 100 documented bugs regarded as "mostly quite obscure" persisted, with Acorn indicating that a "new, enhanced version" of the operating system was under development.<ref name="acornuser198806_arthur">{{ cite magazine | url=https://archive.org/details/AcornUser071-Jun88/page/n11/mode/1up | title=Arc operating system problems persist | magazine=Acorn User | date=June 1988 | access-date=25 April 2021 | pages=10 }}</ref>