Description
Control firmware for a tram ticket machine, read from the machine’s chips before it was scrapped.
Provenance
Bought as part of a box of disks at an estate sale and donated anonymously. The save battery had died, but the program ROM was intact. A handful of files survive, from a much larger whole.
Preservation
- Fixity (SHA-256)
8405616e906b3fe66f77783a020b2ab947776b4e33ab2709f4186e17d92fe409- Last verified
- Sep 15, 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. The license does not permit copies to be taken away.
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: Mosaic Appliances, Mosaic tram ticket machine controller, model MR-320 (1982). Lazarus Archive, LZ-10452.