Description
Control firmware for a traffic signal, read from the machine’s chips before it was scrapped.
Provenance
Donated by the creator’s family in 2024. The save battery had died, but the program ROM was intact. The image matches a checksum published by the original distributor.
Preservation
- Fixity (SHA-256)
c5fcb5e3a3cf3f35427d2ed71edd65aca9ef8d9c6aa474303fd0965cdd6f881e- Last verified
- Oct 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: Plover Appliances, Plover traffic signal controller, model FH-770 (1993). Lazarus Archive, LZ-39517.