Groepaz from the VICE emulator team and the C64 demo group Hitmen just released an updated PDF of 6502 illegal or perhaps more accurately called unintentional opcodes.
I would say this document and the use of illegals are for advanced programmers but they can come in very handy for generating smaller or faster code at times.
Some illegal opcodes can be unstable on certain chips
NMOS 6510 Unintended Opcodes no more secrets (v0.91 – 24/12/16)
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 - ...