Saturday, 23 January 2016

A new Commodore for my collection!

I am very lucky: I got a fully working chessmate with PSU

The machine was built in 1979 - with 2 "very large" 2111 SRAM (256x4) = 256 bytes
and the 6530-024 RRIOT with the 1kB microchess-code from Peter Jennings.
The CPU is the 6504 - a 6502 with limited address lines:


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