Acorn Atom, a 6502 based home computer manufactured and released by Acorn Computers Ltd in 1980. It lacked a disk drive but had an integrated keyboard and cassette interface. The Atom had 2 KiB expandable to 12 KiB of RAM and 8 KiB expandable to 12 KiB of ROM including Atom BASIC [1]. In late 1982, Acorn released an upgrade ROM which allowed users to switch between Atom BASIC and the more advanced BBC BASIC used by its successor, the BBC Micro. The Motorola 6847 video chip provided text and graphics displayed on a TV or video monitor.
Acorn Atom [2]

Chess Programs

• Atom Chess
• Chess
• Chessnut
• Chessmate
• Usurpator II ^[3]

See also

• Atomic Chess
• Atomic Rooster
• BBC Micro
• Acorn Archimedes
• x86 Intel Atom

Manuals

• Acorn Atom Technical Manual from Computing History
• David Johnson-Davies (1980). Atomic Theory and Practice.

Forum Posts

• Re: Atom Software Archive by Multiwizard, stardot.org.uk, November 13, 2015 » Usurpator II

External Links

Acorn Atom

• Acorn Atom from Wikipedia
• Old Computers Museum - Acorn Atom
• Yet another computer museum - Acorn Atom
• Acorn Atom in an FPGA » FPGA
• Acorn Atom Emulator
• Build your own Acorn Atom
• Acorn Atom - Computing History

Chess Programs

• Atom Chess - Computing History » Atom Chess
• Chess - Acorn Atom - Games Database » Chess
• Acorn Nieuws 1982 nummer 4 » Usurpator II

Misc

• Atom from Wikipedia
• Atom (disambiguation) from Wikipedia
• Intel Atom from Wikipedia » Intel x86 and x86-64

References

1. ^ David Johnson-Davies (1980). Atomic Theory and Practice.
2. ^ Photo taken by Rept0n1x at Play Expo 2013, held at EventCity Manchester, England, October 12, 2013, CC BY-SA 3.0, Wikimedia Commons
3. ^ Acorn Nieuws 1982 nummer 4
4. ^ Acorn Atom Books by hoglet, stardot.org.uk, June 23, 2013

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