Ten years before Nintendo's GameBoy, there was Milton Bradley's Microvision. It was a portable system, but easily a foot long, with game 'cartridges' that were nearly the same length. The first Microvision games were made with both Intel 8021 and Texas Instruments TMS1100 processors, but later MB switched to exclusive use of the TMS1100 processors. The screen was a very small LCD panel, and the 12-button keypad had the switches buried under a thick layer of flexible plastic.
