The Chessmate is a 6530 – KIM-1 like computer. Keyboard, LED display are used as in the KIM-1. Peter Jennings, who designed this chess computer with Commodore, build upon his Microchess 1. from the KIM-1, and used the extra ROM space to enhance it to Microchess 1.5: more chess features, a chess clock, sounds, dedicated keys, status LEDs.
The 6530-024 delivers the I/O and timer and RAM used by the Chessmate, the RRIOT ROM is not used by the main ROM. The dumped ROM of the 6530 (see below) contains no recognizable data or program,
It will not be that difficult to ‘clone’ this chess computer with the information here. A 6532 can easily take the role of the 6530. A 6502 instead of a 6504, same SRAM< a 2732 or similar ROM. The ROMs are dumped, both for an Chessmate and a Novag Chess Champion MK I
With the help of users on the German Classic Computing forum I ahve added many manuals and magazines in german about tho...
Another article from the Dutch KIM Kenner magazine: RECORDING PROGRAMS WITH THE KIM-1 AND THE CASSETTE RECORDEROrigin...
Stephen Crozier made a clone of the Unilab Three Chips main board.
Thanks to Mathias Ohlerich for the scan of the Sonderheft 2