The MCS6501, a first and very rare member of the MOS Technology 65xx CPU family.
Introduced in 1975 with the MCS6502 to MCS6505, pin compatible with the Motorola 6800 and, after legal issues, not produced afterwards.
The (preliminary) datasheet of August 1975 is the only document where the 6501 is documented
See also:
Cassette reading problems KIM-1
Another article from the Dutch KIM Kenner magazine: RECORDING PROGRAMS WITH THE KIM-1 AND THE CASSETTE RECORDEROrigin...
Another article from the Dutch KIM Kenner magazine: RECORDING PROGRAMS WITH THE KIM-1 AND THE CASSETTE RECORDEROrigin...
Unilab Three Chips clone
Stephen Crozier made a clone of the Unilab Three Chips main board.
Stephen Crozier made a clone of the Unilab Three Chips main board.
Das EMUF Sonderheft 2
Thanks to Mathias Ohlerich for the scan of the Sonderheft 2
Thanks to Mathias Ohlerich for the scan of the Sonderheft 2
MOS KIM-1 Reproduction documents added
Dave Williams, who designed and builds the MOS KIM-1 Reproductions, sent me three worthwhile documents: - Schematic - ...
Dave Williams, who designed and builds the MOS KIM-1 Reproductions, sent me three worthwhile documents: - Schematic - ...