Lazarus Archive · LZ-11408

KeystoneTill

Hollyleigh Falls Software, 1991. Application software for the TRS-80.

Description

A point-of-sale system for the TRS-80, written by Hollyleigh Falls Software for cafés.

Provenance

Donated by the creator in 2010. Read once, slowly, on a restored drive. A second pass was not attempted. All files were recovered; 31 damaged sectors were rebuilt from redundant data.

Preservation

Fixity (SHA-256)
d0680d2b4400b5a7a93aeed050dbcd99e1e6655b930d5b0c56c0c32d7d6c2a89
Last verified
Oct 2, 2026, by Vigil
Emulation profile
LZE-TRS80-3 · lz-z80 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-TRS80-3, from a read-only copy of the recovered image, as it would have on the TRS-80.

Cite as: Hollyleigh Falls Software, KeystoneTill (1991). Lazarus Archive, LZ-11408.

Also by Hollyleigh Falls Software

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