Lazarus Archive · LZ-27108

TesselBase 5.9

Mosaic Software, 1982. Application software for Atari 8-bit computers.

Description

A database for Atari 8-bit computers, sold to doctors’ surgeries by Mosaic Software.

Provenance

Sent to Lazarus by post, with a note asking whether anything could be saved. The tape was sticky with binder breakdown and was baked at low temperature before a single careful read. Every sector was recovered on the first or second read.

Preservation

Fixity (SHA-256)
061a8b2ba4fad2d28dd4a288324ed3b05720dc9c8de1035dd647ac2012f8da67
Last verified
Oct 19, 2026, by Vigil
Emulation profile
LZE-ATARI8-5 · lz-6502 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-ATARI8-5, from a read-only copy of the recovered image, as it would have on Atari 8-bit computers.

Cite as: Mosaic Software, TesselBase 5.9 (1982). Lazarus Archive, LZ-27108.

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