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The HomeComp Wiki is the structured public reference for the HomeComp Computer Family project: an alternate-history microcomputer ecosystem beginning with the HC-77B, a fictional 1977 front-panel MOS 6502 machine.
This wiki does not replace the project README or the included machine manuals. Instead, it documents the public HomeComp releases in a structured way: emulator use, released machine specifications, company history, ecosystem release details, and the public expansion interfaces available to third-party examples.
Modern usage guidance for the released HomeComp emulator builds.
This section explains how to run the emulator, how its files are arranged, what the emulator controls do, what is currently supported, and where the included fictional machine manuals fit into the release.
High-level technical reference for released HomeComp machines.
This section covers machine specifications, memory maps, I/O summaries, supported configurations, and emulator implementation notes for systems that have been publicly released.
The fictional company history and historical context behind the HomeComp ecosystem.
This section explains the alternate-history premise, the early HomeComp launch context, and how each public release fits into the wider fictional company story.
Release-led documentation for each public HomeComp ecosystem update.
This section records which systems, software, firmware, manuals, adverts, peripherals, and supporting files belong to each release wave.
Technical documentation for the public expansion and peripheral API.
This section covers the released HC-77B expansion model, device lifecycle, memory-mapped I/O expectations, packaging rules, and third-party peripheral examples.
The current public archive covers the September 1977 HC-77B launch and the late-1977 3K RAM Expansion / NIM cassette release.
The September launch release includes the HC-77B base system, emulator builds, documentation, cassette support, and the first three standalone extensions: TTY Interface, Video Display Controller, and Keyboard.
The late-1977 release adds the official 3K RAM Expansion, bundled with a free NIM game cassette.
Easter 1978 brings two additional cassette based software releases. An Advanced Monitor Tools Cassette giving a command line access to the systems Monitor ROM as well as a line based text editor and 6502 Assembler. The second cassette provides a version of the Tiny BASIC programming language.
The next release phase is Mid 1978 — 8x24 Scrolling LED Display.
Links to Internet Wayback Machine copies of old websites and blogs
For licensing, giftware, copyright, and AI-assistance notes, see Copyright, Licensing and Giftware.