Description
Control firmware for a cash register, read from the machine’s chips before it was scrapped.
Provenance
Donated by the creator in 2022. The save battery had died, but the program ROM was intact. All of the work survives. The repairs are listed in the record’s damage map.
Preservation
- Fixity (SHA-256)
1597eae018ea1e819ace3b723e3ad08c2e008e92574c3c0e73b56b017a22dd51- Last verified
- Oct 29, 2026, by Vigil
- Emulation profile
- LZE-EMBED-2 · lz-mcu core
- Copies
- Three, on two kinds of storage, in two cities
- Original carriers
- Kept in cold storage in Vancouver
Access
Free, in the Lazarus reading room in Vancouver and in partner reading rooms.
In the reading room it runs in emulation under profile LZE-EMBED-2, from a read-only copy of the recovered image, as it would have on an embedded controller.
Cite as: Cobalt Appliances, Cobalt cash register controller, model GK-820 (2014). Lazarus Archive, LZ-35625.