Difference between revisions of "Sega System 2"
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| − | The '''Sega System 2''' is an [[arcade]] platform introduced by [[Sega]] in 1985. It is a successor to the [[Sega System 1]], though largely an upgrade, utilising the same [[Zilog Z80]] CPU, sound chips, and Sega graphics chipset. The major upgrades of the System 2 are the addition of a ROM board, faster [[RAM]], and a larger 512×512 background scrolling plane. | + | The '''Sega System 2''' (セガ システム 2) is an [[arcade]] platform introduced by [[Sega]] in 1985. It is a successor to the [[Sega System 1]], though largely an upgrade, utilising the same [[Zilog Z80]] CPU, sound chips, and Sega graphics chipset. The major upgrades of the System 2 are the addition of a ROM board, faster [[RAM]], and a larger 512×512 background scrolling plane. |
The System 2 was supported alongside the System 1, with its last game being released in 1988. | The System 2 was supported alongside the System 1, with its last game being released in 1988. | ||
Revision as of 14:22, 27 August 2019
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The Sega System 2 (セガ システム 2) is an arcade platform introduced by Sega in 1985. It is a successor to the Sega System 1, though largely an upgrade, utilising the same Zilog Z80 CPU, sound chips, and Sega graphics chipset. The major upgrades of the System 2 are the addition of a ROM board, faster RAM, and a larger 512×512 background scrolling plane.
The System 2 was supported alongside the System 1, with its last game being released in 1988.
Technical specifications
- See Sega System 1 Specifications for details on underlying System 1 specifications.
The following are changes that System 2 made to System 1 specifications.
- Board composition: Main board + ROM board
- Tilemap planes: 2 background layers (1 static, 1 scrolling), 8×8 tiles
- Tilemap sizes: 512×512 for scrolling plane, 256×256 for fixed plane[1]
Memory
- ROM: 353–455 KB
- Main: 96–102 KB
- Video: 225–321 KB (96 KB tiles, 128–224 KB sprites, 1 KB palette)
- Sound: 32 KB
List of games
- Heavy Metal (1985)
- Choplifter (1985)
- Shooting Master (1985)
- 119 (1986)
- Warball (1986)
- Wonder Boy (also released on Sega System 1) (1986)
- Dakkochan House (1987)
- Toki no Senshi: Chrono Soldier (1987)
- Wonder Boy in Monster Land (1987)
- UFO Senshi Youko Chan (1988)
Photo gallery
PCB
References
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