<games> A games console made by SEGA.
The Genesis used a Zilog Z80 for its sound generator. This made the Genesis compatible with Sega Master System games through a device called a "Power Base Converter" which basically shut down the Genesis/MegaDrive's 68000 CPU and made the Z80 the CPU.
Try this search on Wikipedia, OneLook, Google
Nearby terms: SEESAW « see u see me « SEGA « Sega Genesis/MegaDrive » segfault » seggie » segment