Lazarus Archive · LZ-27966

Foxglove hearing aid controller, model DR-540

Foxglove Electronics, 1978. Firmware for an embedded controller.

Description

Control firmware for a hearing aid, read from the machine’s chips before it was scrapped.

Provenance

Deposited by Port Ashholm Games Museum. The save battery had died, but the program ROM was intact. Every sector was recovered on the first or second read.

Preservation

Fixity (SHA-256)
52942b7406cd121706eeb0e60b5886a256b15ad99782abde4219c2b76bbbe8f0
Last verified
Oct 4, 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 reading rooms only, under the Lazarus orphan works policy.

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: Foxglove Electronics, Foxglove hearing aid controller, model DR-540 (1978). Lazarus Archive, LZ-27966.

Also by Foxglove Electronics

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