Difference between revisions of "Blockade hardware"
From Sega Retro
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* [[wikipedia:Central processing unit|CPU]]: [[wikipedia:Intel 8080|Intel 8080A]] @ 2 [[Clock rate|MHz]] ([[wikipedia:8-bit|8-bit]] [[wikipedia:Instruction set|instructions]] @ 0.29 [[wikipedia:Instructions per second|MIPS]]) | * [[wikipedia:Central processing unit|CPU]]: [[wikipedia:Intel 8080|Intel 8080A]] @ 2 [[Clock rate|MHz]] ([[wikipedia:8-bit|8-bit]] [[wikipedia:Instruction set|instructions]] @ 0.29 [[wikipedia:Instructions per second|MIPS]]) | ||
* [[wikipedia:Sound chip|Sound chip]]: Custom ([[wikipedia:Monaural|mono]]) | * [[wikipedia:Sound chip|Sound chip]]: Custom ([[wikipedia:Monaural|mono]]) | ||
| + | * [[RAM]]: 1.25 [[wikipedia:Kibibyte|KB]] (256 [[byte]]s main, 1 KB [[VRAM|video]]){{ref|https://github.com/mamedev/mame/blob/master/src/mame/drivers/blockade.c}} | ||
* [[Palette|Colors]]: 2 ([[wikipedia:Monochrome|monochrome]]) | * [[Palette|Colors]]: 2 ([[wikipedia:Monochrome|monochrome]]) | ||
* Display resolution: 256×224 [[wikipedia:Pixel|pixels]] | * Display resolution: 256×224 [[wikipedia:Pixel|pixels]] | ||
Revision as of 18:53, 7 October 2015
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Sega Blockade hardware was created in 1976 by Sega-Gremlin for the arcade game Blockade. It uses an Intel 8080 CPU and custom graphics and sound circuitry.
Technical Specifications
- CPU: Intel 8080A @ 2 MHz (8-bit instructions @ 0.29 MIPS)
- Sound chip: Custom (mono)
- RAM: 1.25 KB (256 bytes main, 1 KB video)[1]
- Colors: 2 (monochrome)
- Display resolution: 256×224 pixels
- Refresh rate: 60 Hz
List of Games
- Blockade (1976)
- Comotion (1976)
- Hustle (1977)
- Minesweeper (1977)
- Blasto (1978)
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