Lazarus Archive · LZ-41003

Granite Doctor 4.2

Mikael Diallo, 1979. Application software for CP/M.

Description

A disk utility for CP/M, sold to home users by Mikael Diallo.

Provenance

Deposited by Eastcrest College Library in 2026. The label reads ‘Old stuff’. About 66 percent of the data could be read; the gaps are mapped.

Preservation

Fixity (SHA-256)
a5123e796bee20381c0635e825135a072da4e4489b7b3b2cc9b0ee17fdee2938
Last verified
Oct 29, 2026, by Vigil
Emulation profile
LZE-CPM-4 · 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. Copies may be taken away under the work’s license.

In the reading room it runs in emulation under profile LZE-CPM-4, from a read-only copy of the recovered image, as it would have on CP/M.

Cite as: Mikael Diallo, Granite Doctor 4.2 (1979). Lazarus Archive, LZ-41003.

Nearby in Home Computing

The whole collection →