Difference between revisions of "MOS versions"
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==OS 1.10== | ==OS 1.10== | ||
| − | Existence implied by | + | Existence implied by existence of OS 1.20. |
| − | Reported to exist by arg, immediately before 1.20 | + | Reported to exist by ''arg'', immediately before 1.20: |
| + | Acorn sent Hitachi editing instructions to derive 1.20 from 1.10 by telex, | ||
| + | as the two differ only in patches.<ref name="arg-telex">Stairway to Hell Forums [https://stardot.org.uk/forums/viewtopic.php?p=336785#p336785 post by arg], 5th October 2021</ref> | ||
==OS 1.20== | ==OS 1.20== | ||
Latest revision as of 13:55, 12 January 2024
OS 0.10
OS 0.90
OS 1.00
OS 1.10
Existence implied by existence of OS 1.20. Reported to exist by arg, immediately before 1.20: Acorn sent Hitachi editing instructions to derive 1.20 from 1.10 by telex, as the two differ only in patches.[1]
OS 1.20
Standard production MOS for BBC A/B.
OS A1.0
American OS 1.20
OS 1.21
Existence implied by existance of OS 1.23.
OS 1.22
Existence implied by existance of OS 1.23.
OS 1.23
OS 2.00
Standard production MOS for BBC B+.
OS 2.10
Cambridge Workstation
OS 2.20
OS 2.30
Standard production MOS for Reuters BBC B+. "OS R0.3"
MOS 3.00
Existence implied by existance of MOS 3.20.
MOS 3.10
Existence implied by existance of MOS 3.20.
MOS 3.20
Standard production MOS for BBC Master.
MOS 3.21
Bugfixes to MOS 3.20 for BBC Master.
MOS 3.30
Existence implied by existance of MOS 3.50.
MOS 3.40
Existence implied by existance of MOS 3.50.
MOS 3.50
Optional upgrade for BBC Master.
MOS 3.51
Bugfixes to MOS 3.50 for BBC Master.
MOS 3.5A
Tinsley
MOS 4.00
Standard production MOS for BBC Master ET.
MOS 5.00
Early production MOS for Master Compact.
MOS 5.10
Standard production MOS for Master Compact.
MOS 5.11
Production MOS for Master Compact.- ↑ Stairway to Hell Forums post by arg, 5th October 2021
