Moon Cresta
From Sega Retro
| Moon Cresta | |||||
|---|---|---|---|---|---|
| Publisher: Sega | |||||
| Developer: Nihon Bussan (Japan), Gremlin Industries (North America) | |||||
| Genre: Shoot-'em-up | |||||
| Number of players: 1-2 (alternating) | |||||
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Moon Cresta is a vertical arcade shoot-'em-up developed by Nihon Bussan and originally released in 1980. Sega obtained a license to distribute the game in the United States, with Gremlin Industries making minor modifications to the game for US audiences.
There are many slightly different variants of Moon Cresta (including Gremlin's "sequel", Super Moon Cresta). The Gremlin version makes a few subtle changes to enemy behaviour.
Moon Cresta's success led to a sequel in Terra Cresta in 1985. Most sequels would skip Sega consoles, however Terra Cresta 3D would see a Sega Saturn release in 1997.
Hardware
It ran on custom Sega Z80-based hardware,[1] based on a modified version of the Namco Galaxian arcade system board:[2][3][4]
- Main CPU: Zilog Z80 @ 3.072 MHz (8-bit & 16-bit instructions @ 0.45 MIPS)
- Sound hardware: Namco Galaxian sound hardware (one programmable 4/8-bit waveform channel, three 4-bit square wave channels, two 17-bit noise channels, one modulated noise pulse channel)
- GPU chipset: Namco Galaxian video hardware
- Display resolution: 256×224 (horizontal), 224×256 (vertical)
- Overscan resolution: 384×264 (horizontal), 264×384 (vertical)
- Refresh rate: 60.60606 Hz (V-sync)
- Color model: RGB
- Background planes:
- Sprite capabilities: 8×8 to 16×16 sizes, 4 colors per sprite, 15 sprites per scanline, 240 texels per scanline, sprite flipping, sprite animation[6]
Physical scans
| US | ||||
|---|---|---|---|---|
 Manual  Service Manual | ||||