Difference between revisions of "Sega Zaxxon hardware"

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| maker=[[Sega]]
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| maker=[[Sega Enterprises, Ltd.]]
 
| processor=[[Zilog Z80]]
 
| processor=[[Zilog Z80]]
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| releases={{releasesArcade
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| arcade_date_world=1982-01
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| zaxxon_date_jp=1982-01
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| zaxxon_date_us=1982
 
}}
 
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'''Sega Zaxxon hardware''' is an [[arcade]] system created by [[Sega]] in 1982, and was first used for the isometric shmup ''[[Zaxxon]]''. Like many Sega arcade machines of the time, it used the [[Zilog Z80]] as its CPU.
 
'''Sega Zaxxon hardware''' is an [[arcade]] system created by [[Sega]] in 1982, and was first used for the isometric shmup ''[[Zaxxon]]''. Like many Sega arcade machines of the time, it used the [[Zilog Z80]] as its CPU.
  
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==Technical Specifications==
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==Technical specifications==
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===Sega Zaxxon Specifications===
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===Sega Zaxxon specifications===
 
{{multicol|
 
{{multicol|
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* Board composition: Main board, Sound board, Graphics board {{ref|https://github.com/mamedev/mame/blob/master/src/mame/drivers/zaxxon.cpp}}
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* Board composition: Main board, Sound board, Graphics board{{ref|https://github.com/mamedev/mame/blob/master/src/mame/drivers/zaxxon.cpp}}
 
* Main CPU: [[Zilog Z80]] @ 3.04125 MHz (8-bit & 16-bit instructions @ 0.441 [[wikipedia:Instructions per second|MIPS]])
 
* Main CPU: [[Zilog Z80]] @ 3.04125 MHz (8-bit & 16-bit instructions @ 0.441 [[wikipedia:Instructions per second|MIPS]])
 
* Sound board: [[Sega G80]] Sound Board
 
* Sound board: [[Sega G80]] Sound Board
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* Graphics board: Sega Zaxxon-VIDEOII / 834-5167 Video Board {{ref|https://github.com/mamedev/mame/blob/master/src/mame/drivers/zaxxon.cpp}}
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* Graphics board: Sega Zaxxon-VIDEOII / 834-5167 Video Board{{ref|https://github.com/mamedev/mame/blob/master/src/mame/drivers/zaxxon.cpp}}
 
* [[RAM]]: 5.25 [[Byte|KB]]{{ref|https://github.com/mamedev/mame/blob/master/src/mame/drivers/zaxxon.cpp}}
 
* [[RAM]]: 5.25 [[Byte|KB]]{{ref|https://github.com/mamedev/mame/blob/master/src/mame/drivers/zaxxon.cpp}}
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** Main: 4 KB (2 KB RAM 1, 2 KB RAM 2)
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:* Main: 4 KB (2 KB RAM 1, 2 KB RAM 2)
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** [[VRAM|Video]]: 1.25 KB (1 KB video, 256 [[byte]]s sprites)
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:* [[VRAM|Video]]: 1.25 KB (1 KB video, 256 [[byte]]s sprites)
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* Video resolution: 256×224 (display), 384×264 (overscan) {{ref|https://github.com/mamedev/mame/tree/master/src/mame/drivers/zaxxon.cpp}}
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* Video resolution: 256×224 (display), 384×264 (overscan){{ref|https://github.com/mamedev/mame/tree/master/src/mame/drivers/zaxxon.cpp}}
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* [[Palette|Color palette table]]: 512 (9-bit [[RGB]] [[ROM|PROM]]) {{ref|https://github.com/mamedev/mame/blob/master/src/mame/drivers/zaxxon.cpp}}
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* [[Palette|Color palette table]]: 512 (9-bit [[RGB]] [[ROM|PROM]]){{ref|https://github.com/mamedev/mame/blob/master/src/mame/drivers/zaxxon.cpp}}
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** Colors on screen: 256 (palette RAM)
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:* Colors on screen: 256 (palette RAM)
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* [[Tile Layer|Tilemap]] planes: 2 layers (foreground, background), 8×8 tiles, 4 or 8 colors per tile, tile flipping, vertical/horizontal/diagonal scrolling, isometric perspective {{ref|https://github.com/mamedev/mame/blob/master/src/mame/video/zaxxon.cpp}}{{ref|https://github.com/mamedev/mame/blob/master/src/mame/drivers/zaxxon.cpp}}
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* [[Tile Layer|Tilemap]] planes: 2 layers (foreground, background), 8×8 tiles, 4 or 8 colors per tile, tile flipping, vertical/horizontal/diagonal scrolling, isometric perspective{{ref|https://github.com/mamedev/mame/blob/master/src/mame/video/zaxxon.cpp}}{{ref|https://github.com/mamedev/mame/blob/master/src/mame/drivers/zaxxon.cpp}}
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* [[Sprite]]s: 4 or 8 colors per sprite, sprite flipping, shadows {{ref|https://github.com/mamedev/mame/blob/master/src/mame/drivers/zaxxon.cpp}}{{ref|https://github.com/mamedev/mame/blob/master/src/mame/video/zaxxon.cpp}}
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* [[Sprite]]s: 4 or 8 colors per sprite, sprite flipping, shadows{{ref|https://github.com/mamedev/mame/blob/master/src/mame/drivers/zaxxon.cpp}}{{ref|https://github.com/mamedev/mame/blob/master/src/mame/video/zaxxon.cpp}}
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** Sprite sizes: 8 and 32 heights, widths of 8, 16 and 32 [[pixel]]s
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:* Sprite sizes: 8 and 32 heights, widths of 8, 16 and 32 [[pixel]]s
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** Line buffer: 256 sprite pixels/texels per scanline, 8 (32-width) to 32 (8-width) sprites per scanline
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:* Line buffer: 256 sprite pixels/texels per scanline, 8 (32-width) to 32 (8-width) sprites per scanline
 
}}
 
}}
  
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===''Congo Bongo'' Specifications===
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===''Congo Bongo'' specifications===
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''[[Congo Bongo]]'' featured the following upgrades in 1983: {{ref|https://github.com/mamedev/mame/blob/master/src/mame/drivers/zaxxon.cpp}}
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''[[Congo Bongo]]'' featured the following upgrades in 1983:{{ref|https://github.com/mamedev/mame/blob/master/src/mame/drivers/zaxxon.cpp}}
  
 
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* Additional [[wikipedia:Sound chip|sound chips]]: 2× [[SN76489|SN76496]] @ 4 MHz
 
* Additional [[wikipedia:Sound chip|sound chips]]: 2× [[SN76489|SN76496]] @ 4 MHz
 
* RAM: 11 KB
 
* RAM: 11 KB
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** Main: 4 KB (2 KB RAM 1, 2 KB RAM 2)
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:* Main: 4 KB (2 KB RAM 1, 2 KB RAM 2)
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** Video: 5 KB (1 KB video, 1 KB color, 3 KB sprites)
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:* Video: 5 KB (1 KB video, 1 KB color, 3 KB sprites)
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** Sound: 2 KB
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:* Sound: 2 KB
 
* Colors on screen: 512
 
* Colors on screen: 512
 
}}
 
}}
  
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==List of Games==
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==List of games==
 
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* ''[[Zaxxon]]'' (1982)
 
* ''[[Zaxxon]]'' (1982)
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* ''[[Future Spy]]'' (1984)
 
* ''[[Future Spy]]'' (1984)
 
}}
 
}}
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==References==
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<references/>
  
 
{{clear}}
 
{{clear}}
 
{{Sega Arcade Boards}}
 
{{Sega Arcade Boards}}
 
[[Category:Pre-System 1 arcade systems]]
 
[[Category:Pre-System 1 arcade systems]]

Latest revision as of 08:03, 16 November 2024

ZaxxonHardware.jpg
Sega Zaxxon hardware
Manufacturer: Sega Enterprises, Ltd.
Release Date RRP Code
Arcade (Zaxxon hardware)
JP		 ¥? ?
Arcade (Zaxxon hardware)
US		 $? ?































Sega Zaxxon hardware is an arcade system created by Sega in 1982, and was first used for the isometric shmup Zaxxon. Like many Sega arcade machines of the time, it used the Zilog Z80 as its CPU.

Technical specifications

Sega Zaxxon specifications

  • Board composition: Main board, Sound board, Graphics board[1]
  • Main CPU: Zilog Z80 @ 3.04125 MHz (8-bit & 16-bit instructions @ 0.441 MIPS)
  • Sound board: Sega G80 Sound Board
  • Graphics board: Sega Zaxxon-VIDEOII / 834-5167 Video Board[1]
  • RAM: 5.25 KB[1]
  • Main: 4 KB (2 KB RAM 1, 2 KB RAM 2)
  • Video: 1.25 KB (1 KB video, 256 bytes sprites)
  • Colors on screen: 256 (palette RAM)
  • Tilemap planes: 2 layers (foreground, background), 8×8 tiles, 4 or 8 colors per tile, tile flipping, vertical/horizontal/diagonal scrolling, isometric perspective[3][1]
  • Sprites: 4 or 8 colors per sprite, sprite flipping, shadows[1][3]
  • Sprite sizes: 8 and 32 heights, widths of 8, 16 and 32 pixels
  • Line buffer: 256 sprite pixels/texels per scanline, 8 (32-width) to 32 (8-width) sprites per scanline

Congo Bongo specifications

Congo Bongo featured the following upgrades in 1983:[1]

  • Additional CPU: Zilog Z80 @ 2 MHz (8-bit & 16-bit instructions @ 0.29 MIPS)
  • Sound board: Sega 834-5168 Sound Board
  • Additional sound chips: 2× SN76496 @ 4 MHz
  • RAM: 11 KB
  • Main: 4 KB (2 KB RAM 1, 2 KB RAM 2)
  • Video: 5 KB (1 KB video, 1 KB color, 3 KB sprites)
  • Sound: 2 KB
  • Colors on screen: 512

List of games

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 https://github.com/mamedev/mame/blob/master/src/mame/drivers/zaxxon.cpp
  2. ↑ https://github.com/mamedev/mame/tree/master/src/mame/drivers/zaxxon.cpp
  3. ↑ 3.0 3.1 https://github.com/mamedev/mame/blob/master/src/mame/video/zaxxon.cpp


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