Difference between revisions of "Sega System 18"
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Revision as of 17:19, 16 March 2010
The Sega System 18 is an arcade system board released by Sega in 1989. System 18 had a very short run of games but most boards on this hardware were JAMMA standard. Most of these games also have the "suicide battery" as associated with Sega's System 16 hardware.
Specifications
- Main CPU: Motorola 68000 @ 10 MHz
- Sound CPU: Zilog Z80 @ 8 MHz
- Sound chip: 2 x Yamaha YM3438 @ 8 MHz + Ricoh RF5c68 @ 10 MHz (8 Channel PCM chip, remarked as Sega Custom 315)
- Display resolution: 320 x 224
- Colors: 4096
- Board composition: Main board + ROM board
- Graphical capabilities: 128 sprites on screen at one time, 4 tile layers, 1 text layer, 1 sprite layer with hardware sprite zooming, translucent shadows