Sega System 1

The Sega System 1 is a type of arcade hardware produced by Sega introduced in July 1983, with new games being released from 1983 to 1987. A follow-up system, the System 2 began production in 1985, though new games were released for both systems concurrently.

Specifications

• Main CPU: Z80 @ 4 MHz
• Sound CPU: Z80 @ 4 MHz
• Sound chip: SN76496 @ 4 MHz, SN76496 @ 2 MHz
• Video resolution: 256 x 224
• Board composition: One board
• Hardware features: 2 layers+sprites, hardware collision detection

Hardware Images

• 

  PCB 1

• 

  PCB 2

List of Games

• 4D Warriors (1985)
• Block Gal (1987)
• Bull Fight (1984)
• Choplifter (1985)
• Flicky (1984)
• Gardia (1986)
• I'm Sorry (1985)
• Mister Viking (1984)
• My Hero (1985)
• Pitfall II (1985)
• Rafflesia (1986)
• Regulus (1983)
• Sega Ninja (1985)
• Spatter (1984)
• Star Jacker (1983)
• SWAT (1984)
• Teddy Boy Blues (1985)
• Up'n Down (1983)
• Water Match (1984)
• Wonder Boy (also released on Sega System 2) (1986)
• Wonder Boy Deluxe (1986)

Sega Arcade Boards
Originating in Arcades
8080/Z80-based	Sega Blockade Hardware | Sega VIC Dual | Sega G80 | VCO Object | Sega Zaxxon Hardware | Sega Laserdisc Hardware | Sega System 1 | Sega Appoooh Hardware | Sega System 2 | Sega System E | Sega Gigas Hardware | Sega Sharp Shooter Hardware | Sega Space Position Hardware Sega Shooting Zone System (MAME alias for Sega Sharp Shooter Hardware; which name is correct?) Custom Z80 Boards (TODO the only one left is Bank Panic which needs to be handled differently; it's by Sanritsu and runs on the same hardware as exactly one other game)
68000-based	Pre-System 16 Hardware | Sega Space Harrier Hardware | Sega OutRun Hardware | Sega System 16 | Sega X Board | Sega System 24 | Sega Y Board | Sega System 18
NEC V60/V70-based	Sega System 32 | Sega Model 1
Intel i960-based	Sega Model 2
PowerPC-based	Sega Model 3
SuperH-based	Sega Hikaru
Based on Home Hardware
SG-1000-based	SG-1000-based Arcade Hardware
Mega Drive-based	Mega-Tech | Sega System C/C2 | Mega Play | High Seas Havoc special board
Saturn-based	Sega Titan Video (ST-V)
Dreamcast-based	Sega NAOMI | Sega NAOMI 2 | Sega Aurora | Sammy Atomiswave
XBOX-based	Sega Chihiro
GameCube-based	Triforce
PC-based	Sega Lindbergh | Sega Europa-R | Sega RingEdge | Sega RingWide