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Altair 8800 - Video #7.1 - Loading 4K BASIC with a Teletype

deramp5113 · demo · Watch on YouTube

Demoscene & retrocomputingHistory of computing

What it is

A demonstration of loading Altair 4K BASIC on an Altair 8800 clone, using a front-panel bootloader and an ASR-33 Teletype. It shows the full sequence of entering boot code, loading BASIC and running a program.

Why Hacker News recommends it

Cited as a great demo of how early microcomputers were actually booted and operated.

  • 2 people recommended it
  • 2 different months
  • 0 strong recommendations
  • first 2021, last 2024

What HN commenters said

  1. “You can see some of these on "deramp"'s videos (he is selling Altair clones, but even so the videos are great demos).”

    Great demos of early microcomputers loading programs from teletype and paper tape.

    jhallenworld, 2022-06 · Recommendation · in “Vintage Computing”

  2. “There's a nice video here of a complete BASIC boot sequence”

    Complete BASIC boot sequence: entering boot code, loading BASIC, loading a program.

    HarHarVeryFunny, 2024-10 · Recommendation · in “Ed Roberts created the personal computer industry (2023)”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: altair 8800, front panel, teletype, 4k basic, bootloader

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