In 1979, Atari released the Atari 400 and 800 , groundbreaking home computers that included custom graphics and sound chips, four joystick ports, and the ability to run the most advanced home video games of their era. These machines, which retailed for $549 and $999, respectively, represented a leap in consumer friendly personal computing, with their modular design and serial I O bus that presaged USB . Now, 46 years later, a hobbyist has shrunk down the system hardware to a size that would have...
