When the Intellivision console and keyboard components were introduced in test markets in 1979, this demo cassette was played in stores to show off the features of the system.
The keyboard component featured a digital/analog cassette deck that stored the program data and audio track on the same tape, allowing synchronized voice-over narration with the computer-generated visuals, as seen in this demonstration.
The keyboard also had its own microprocessor that worked in unison with the chip in the console, enabling higher-resolution text to be superimposed over the standard blocky Intellivision graphics. The cassette carried the data for both processors.
Note that the demo is interactive. The store customer could play Blackjack and Space Battle by hitting the space key at the appropriate times.
The Keyboard Component was never mass marketed. Most stores only carried the Intellivision console by itself, using a demo cartridge that cycled through some of the available games.
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