Welcome to the HJS22 website
The HJS22 (aka as HJS21) is a homebrew 8 bit TTL computer built in 1976/77 as an hobby project.
This website gives an overview of it's history, hardware, micro-code and software.
HJS22 CPU as displayed at the VCF-E 2.0
History of the HJS22
HJS22 Micro code
HJS22 Monitor program