Description
Control firmware for a tram ticket machine, read from the machine’s chips before it was scrapped.
Provenance
Rescued from a skip outside a former office in Kingsholt. The save battery had died, but the program ROM was intact. Everything was recovered, with a few damaged files repaired from a second copy.
Preservation
- Fixity (SHA-256)
f2a10e61b8706a90d45d58b71f6300af9b4cb6b7094da2ecfeec22da3ed95711- Last verified
- Oct 8, 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: Heron Controls, Heron tram ticket machine controller, model EN-780 (2003). Lazarus Archive, LZ-28008.