Lazarus Archive · LZ-05600

TesselBrush 1.4

Cobalt Computing, 1981. Application software for the Apple II.

Description

A paint program for the Apple II, published by Cobalt Computing in 1981.

Provenance

Brought to a Lazarus rescue day by a former owner. Mould on two disk surfaces was cleaned off before imaging. All files were recovered; 32 damaged sectors were rebuilt from redundant data.

Preservation

Fixity (SHA-256)
03c427c97c23960e6d2d91441fd137ef3f7aaa77d1f0b6e67478c9b18c5236b8
Last verified
Sep 6, 2026, by Vigil
Emulation profile
LZE-APPLE2-6 · lz-6502 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-APPLE2-6, from a read-only copy of the recovered image, as it would have on the Apple II.

Cite as: Cobalt Computing, TesselBrush 1.4 (1981). Lazarus Archive, LZ-05600.

Also by Cobalt Computing

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