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Evaluation board
we used these in 3rd year EE. so confusing for me for some reason. i aced the final by learning how to manually disassemble the code, including all the timing requirements. (my labwork sucked). Now I get to make my old-skool audi go faster by disassembling the entire code off the Hitachi 6303 in it. I knew my EE would come in handy for something.
MEK6800 Evaluation Board
Motorola produced an evaluation board (MEK6800) based upon the 6800 CPU around 1976-77. This had a separate module with a hexadecimal keypad, hex display module (using 7-segment LED displays) for user data entry and output and an audo interface for saving/loading programs/data from standard audio cassette.
Evaluation board had a backplane conenctor as well to match an industry standard bus.
I built up a reasonable PC for the time with an EPROM programmer, ASCII keyboard, video display card driving into an ex TV station green-screen monitor, and extra 8KB of memory.
I had Integer-only BASIC programming language which ran in 4kilobytes and ran a number of useful and games programes on it.