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2 members, 5 messages added in the last 7 days
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  • Any members in Cleveland area?

    Just wondering if any of you members live in Cleveland or nearby. I live in a suburb of Cleveland and would really enjoy meeting with an Elf owner nearby.

    14 hours ago
  • Re: Thank you

    Hi Wayne, Welcome to the group. I'm sure you will enjoy building the 1802 MC. It was just as fun for me to build and test the 7B 30 00 program as it was back

    joshbensadon 2 days ago
  • Thank you

    Thank you for allowing me to join your group. I just ordered the "Membership Card" and look forward to the build."Back in the day"I built both the original ELF

    3 days ago
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Group Description

The RCA CDP1802 COSMAC microprocessor was the basis for several hobbyist computers in the mid 70s and early 80s. Join this group to discuss these old computers or share your 1802 experiences.

Visit cosmacelf.com for more on the history of 1802 microcomputing, data sheets, articles, photos, and more --- including a complete archive of Ipso Facto newsletters. You can find various emulators of ELF computers at elf-emulation.com (Unix/Windows), TinyELF.com (Mac OS X), and in the Files area of this group. There's even a simulator in Javascript that will run right in your browser.

Please note that due to some abuses of this forum, initial posts by new members will not appear until approved by a moderator. We regret that the actions of a few spammers have resulted in this inconvenience to the community.

Group Information

  • 881
  • Computers
  • Dec 30, 2001
  • English

Group Settings

  • This is a public group.
  • Attachments are permitted.
  • Members can hide email address.
  • Listed in Yahoo Groups directory.
  • Membership does not require approval.
  • Messages from new members require approval.
  • All members can post messages.

Message History