System 1

A 35-year-old Arcade System by SEGA Enterprises

Not emulated in MAME


System 1 © 1983 Sega Enterprises, Ltd.


Main CPU: Zilog Z80 @ 4 MHz
Sound CPU: Zilog Z80 @ 4 MHz
Sound chips: SN76496 @ 4 MHz and SN76496 @ 2 MHz
Display resolution: 256 x 224
Arcade components were contained on one circuit board.
Featured the use of 2 layer backgrounds, sprites, and hardware collision detection


The Sega System 1 was a type of arcade hardware used in various Sega arcade machines from 1983 until 1987.