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September 1977 Launch
The September 1977 launch is the first public HomeComp release wave.
It introduces the HC-77B and establishes the starting point for HomeComp Ecosystem Era 1.
HC-77B September 1977 product sheet
September 1977 HC-77B launch product sheet.
| Category | Released Material |
|---|---|
| System | HC-77B base system |
| Firmware | HC-77B boot/monitor ROM |
| Emulator | HC-77B emulator builds for Windows, macOS, and Linux |
| Documentation | HC-77B user and technical documentation |
| Extensions | TTY Interface, Video Display Controller, Keyboard |
| Media support | Cassette handling and blank tape creation |
| Tools | Initial public development/support tools where included |
The September 1977 launch includes three standalone extension products available in the repository's extensions/ section.
| Extension | Role | Repository |
|---|---|---|
| TTY Interface | Adds teletype-style character input/output support | Extension files |
| Video Display Controller | Adds video display support for the HC-77B | Extension files |
| Keyboard | Adds keyboard input support for expanded use | Extension files |
These are treated as public launch products rather than built-in assumptions of the base HC-77B package.
This release establishes the public baseline for HomeComp.
It defines:
- the first released HomeComp machine
- the initial emulator environment
- the first standalone extension products
- the September 1977 launch context
- the first public documentation set
- the starting point for later ecosystem releases
The HC-77B is the first HomeComp system: a 1977 front-panel MOS 6502 microcomputer designed as a serious expandable launch machine.
For the machine specification and memory map, see HC-77B Technical Overview.
For modern emulator usage, see Emulator User Manual.
For company background and historical context, see HomeComp History & Lore.
The September 1977 release is intentionally focused.
It presents the HC-77B, its emulator environment, three launch extension products, and its supporting launch documentation as the first public slice of the HomeComp ecosystem.