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System 18

Arcade System published 32 years ago by SEGA Enterprises

Not listed in MAME yet.

System 18 © 1989 Sega Enterprises, Ltd.

TECHNICAL

Main CPU: MC68000 @ 10 MHz
Sound CPU: Zilog Z80 @ 8 MHz
Sound chip: 2 x YM3438 @ 8 MHz & Ricoh RF5c68 @ 10 MHz (8 Channel PCM chip, remarked as Sega custom 315)
Video resoution: 320 x 224
Colours: 4096
Board composition: Main board + Rom board

Hardware Features: 128 Sprites on screen at one time, 4 tile layers, 1 text layer, 1 sprite layer with hardware sprite zooming, translucent shadows