Description
Classroom software for the ZX Spectrum, written by Keystone Learning for ages 5 to 7.
Provenance
Deposited by Friends of Brookwater History, which had held it unread for years. Read once, slowly, on a restored drive. A second pass was not attempted. Independent reads agree bit for bit.
Preservation
- Fixity (SHA-256)
938a9a9b8e7691c84260019b3deb215b56aa86119926a9c90afa0a4abc2e4684- Last verified
- Oct 19, 2026, by Vigil
- Emulation profile
- LZE-ZXS-6 · 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.
In the reading room it runs in emulation under profile LZE-ZXS-6, from a read-only copy of the recovered image, as it would have on the ZX Spectrum.
Cite as: Keystone Learning, Science Detective 4 (1986). Lazarus Archive, LZ-31017.