Difference between revisions of "Sega System 1"
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− | | maker=[[Sega]] | + | | maker=[[Sega Enterprises, Ltd.]] |
| processor=[[Zilog Z80]] | | processor=[[Zilog Z80]] | ||
− | | releases={{ | + | | releases={{releasesArcade |
− | | | + | | system_date_jp_1=1982-12 |
− | | | + | | system_type_jp_1=prototype |
− | | | + | | system_date_world=1983-07 |
}} | }} | ||
}} | }} | ||
− | The '''Sega System 1''' is an [[arcade]] platform | + | The '''Sega System 1''' (セガ システム 1) is an [[arcade]] platform officially debuted by [[Sega]] in 1983,{{ref|[http://sega.jp/fb/segahard/sc3000/gallery.html 1983 Timeline (Sega Corporation)]}} based on earlier 1982 prototype hardware. It is a [[Z80]]-based platform and the first in the decade-long "[[:Category:Sega System series|System]]" series of arcade boards. |
The System 1 was a relatively popular arcade board for its day, supported not only by Sega, but by Japanese developers [[Coreland]] and [[VIC Tokai]] between 1983 and 1987. In 1985 it was succeeded by the slightly more powerful [[Sega System 2]] board, though new games were released for both systems concurrently. Many of the System 1's games were ported to the [[SG-1000]] and [[Sega Master System]] consoles. | The System 1 was a relatively popular arcade board for its day, supported not only by Sega, but by Japanese developers [[Coreland]] and [[VIC Tokai]] between 1983 and 1987. In 1985 it was succeeded by the slightly more powerful [[Sega System 2]] board, though new games were released for both systems concurrently. Many of the System 1's games were ported to the [[SG-1000]] and [[Sega Master System]] consoles. | ||
− | == | + | ==Technical specifications== |
+ | ===System 1=== | ||
{{multicol| | {{multicol| | ||
* Board composition: One board | * Board composition: One board | ||
− | * Main CPU: [[Zilog Z80]] @ 4 MHz (8 | + | :* Master clock rate: 19.99982 MHz{{ref|[https://github.com/mamedev/mame/blob/master/src/mame/drivers/system1.cpp Sega System 1 / System 2 (MAME)]}} |
− | * Sound CPU: Zilog Z80 @ 4 MHz (8 | + | * Main CPU: [[Zilog Z80]] @ 4 MHz (8/16-bit instructions, 0.58 [[wikipedia:Instructions per second|MIPS]]) |
+ | * Sound CPU: Zilog Z80 @ 4 MHz (8/16-bit instructions, 0.58 MIPS) | ||
* [[wikipedia:Sound chip|Sound chips]]: Sega [[SN76489|SN76496]] @ 4 MHz, Sega SN76496 @ 2 MHz | * [[wikipedia:Sound chip|Sound chips]]: Sega [[SN76489|SN76496]] @ 4 MHz, Sega SN76496 @ 2 MHz | ||
− | * | + | * [[wikipedia:Microcontroller|MCU]]: Intel 8751{{ref|[https://github.com/mamedev/mame/blob/master/src/mame/drivers/system1.cpp Sega System 1 / System 2 (MAME)]}} |
− | + | }} | |
− | + | ||
− | + | ====Graphics==== | |
− | * | + | {{multicol| |
− | * | + | * Graphics chipset:{{ref|[https://github.com/mamedev/mame/blob/master/src/mame/drivers/system1.cpp Sega System 1 / System 2 (MAME)]}} |
− | + | :* Sega 315-5011 sprite line comparator: 16‑bit line buffer RAM (14.999865 MHz, 29.99973 MB/s),{{fileref|Regulus System1 US Manual.pdf|page=8}}{{fileref|HangOn Schematics.pdf|page=4}} 9.99991 MHz sprite line buffer render/pixel clock, 4.999955 MHz sprite line buffer scan/erase clock{{ref|[https://github.com/mamedev/mame/blob/master/src/mame/drivers/system1.cpp Sega System 1 / System 2 (MAME)]}}{{intref|Sega Pre-System 16 hardware notes (2004-03-29)}} | |
− | + | :* Sega 315-5012 sprite generator | |
− | * | + | :* Sega 315-5049 tilemap generator |
− | * | + | * Video resolution: 256×224 (active), 640×260 ([[wikipedia:Overscan|overscan]]){{ref|[https://github.com/mamedev/mame/blob/master/src/mame/drivers/system1.cpp Sega System 1 / System 2 (MAME)]}} |
− | * Video resolution: 256×224 ( | + | :* Scanlines: 260 (224 active, 36 [[wikipedia:Vertical blanking interval|VBlank]]) |
− | ** Refresh rate: 60.0952 Hz ( | + | :* [[Pixel]] clock rate: 9.99991 MHz (3.446099 MHz active, 6.55381 MHz [[wikipedia:Horizontal blanking interval|HBlank]]/VBlank) |
− | * [[Palette|Color palette]]: 4096{{ref|https://github.com/mamedev/mame/ | + | :* Refresh rate: 60.0952 Hz ([[wikipedia:Vertical sync|VSync]]) |
− | + | * [[Palette|Color palette]]: 4096{{ref|[https://github.com/mamedev/mame/blob/master/src/mame/video/system1.cpp System1 / System 2 video hardware (MAME)]}} | |
− | * [[ | + | :* Colors on screen: 2048{{ref|[https://github.com/mamedev/mame/blob/master/src/mame/drivers/system1.cpp Sega System 1 / System 2 (MAME)]}} |
− | ** | + | * [[Sprite]] plane: Line buffer, double buffering, 16 colors per sprite, sprite flipping, hardware collision detection{{ref|[https://github.com/mamedev/mame/blob/master/src/mame/video/system1.cpp System1 / System 2 video hardware (MAME)]}}{{ref|[https://github.com/mamedev/mame/blob/master/src/mame/drivers/system1.cpp Sega System 1 / System 2 (MAME)]}} |
− | * [[ | + | :* Sprites on screen: 128 sprites (2 KB sprite attributes, 16 bytes per sprite){{intref|Sega Pre-System 16 hardware notes (2004-03-29)}} |
− | ** | + | :* Sprite sizes: 8×8 to 256×224 [[texel]]s |
− | * | + | :* Line buffer [[fillrate]]: 9.99991 [[Pixel|MPixels/s]] |
− | + | :* Sprites per scanline: 32 sprites, 640 texels | |
+ | * Background planes: 2 [[Tile Layer|tilemap]] layers (1 static, 1 scrolling), 8×8 tiles{{ref|[https://github.com/mamedev/mame/blob/master/src/mame/video/system1.cpp System1 / System 2 video hardware (MAME)]}}{{ref|[https://github.com/mamedev/mame/blob/master/src/mame/drivers/system1.cpp Sega System 1 / System 2 (MAME)]}} | ||
+ | :* Tilemap sizes: 256×256 for both planes | ||
+ | }} | ||
+ | |||
+ | ====Memory==== | ||
+ | {{multicol| | ||
+ | * Memory: 155.75 [[Byte|KB]] (52 KB main, 93.75 KB video, 10 KB sound) | ||
+ | * [[RAM]]: 19.5 KB{{ref|[https://github.com/mamedev/mame/blob/master/src/mame/drivers/system1.cpp Sega System 1 / System 2 (MAME)]}} | ||
+ | :* Main: 4 KB (8-bit, 4 MHz, 4 MB/s){{fileref|Regulus System1 US Manual.pdf|page=14}} | ||
+ | :* [[VRAM|Video]]: 13.5 KB [[SRAM]] (4 KB video, 2 KB sprite attributes, 1.5 KB sprite line buffers,{{ref|[https://github.com/mamedev/mame/blob/master/src/mame/video/system1.cpp System1 / System 2 video hardware (MAME)]}}{{intref|Sega Pre-System 16 hardware notes (2004-03-29)}} 2 KB palette, 4 KB collision) | ||
+ | :* Sound: 2 KB | ||
+ | * [[ROM]]: 136.25 KB | ||
+ | :* Main: 48 KB | ||
+ | :* Video: 80.25 KB (48 KB tiles, 32 KB sprites, 256 [[byte]]s palette) | ||
+ | :* Sound: 8 KB | ||
}} | }} | ||
===Prototype=== | ===Prototype=== | ||
− | ''[[Super Locomotive]]'' in 1982 ran on prototype arcade hardware that was very similar to the Sega System 1 later released in 1983. ''Super Locomotive'' | + | ''[[Super Locomotive]]'' in 1982 ran on prototype arcade hardware that was very similar to the Sega System 1 later released in 1983. ''Super Locomotive'' had largely identical specifications, but with the following differences:{{ref|[https://github.com/mamedev/mame/blob/master/src/mame/drivers/suprloco.cpp Super Locomotive (MAME)]}}{{ref|[https://github.com/mamedev/mame/blob/master/src/mame/video/suprloco.cpp Super Locomotive video hardware (MAME)]}}{{ref|1=[http://www.system16.com/hardware.php?id=688 Sega Z80 Based Hardware (System 16)]}} |
+ | ====Graphics==== | ||
{{multicol| | {{multicol| | ||
− | * | + | * Graphics chipset: |
− | * | + | :* Sega 315-5011 sprite line comparator: 16‑bit line buffer RAM (11.79648 MHz, 23.59296 MB/s), 7.86432 MHz sprite line buffer render clock, 3.93216 MHz sprite line buffer scan/erase/pixel clock{{intref|Sega Pre-System 16 hardware notes (2004-03-29)}} |
− | + | * Video resolution: 248×224 (active), 256×256 (overscan) | |
− | + | :* [[Pixel]] clock rate: 3.93216 MHz | |
− | * | + | :* Refresh rate: 60 Hz |
− | * | + | * Color palette: 1568 |
− | * Refresh rate: 60 Hz | + | :* Colors on screen: 768 |
− | + | * [[Sprite]] plane: | |
− | * Color palette | + | :* Sprites on screen: 32 sprites (512 bytes sprite attributes, 16 bytes per sprite), 64 sprites with raster interrupt |
− | + | :* Sprite sizes: 8×8 to 248×224 [[texel]]s | |
− | * [[Sprite]] | + | :* Line buffer [[fillrate]]: 7.86432 [[Pixel|MPixels/s]] |
− | * | + | :* Sprites per scanline: 32 sprites, 512 texels |
− | * | ||
− | |||
}} | }} | ||
− | == | + | ====Memory==== |
+ | {{multicol| | ||
+ | * Memory: 113.3125 [[Byte|KB]] (50 KB main, 53.3125 KB video, 10 KB sound) | ||
+ | * [[RAM]]: 7.78125 KB | ||
+ | :* Main: 2 KB | ||
+ | :* Video: 3.78125 KB [[SRAM]] (1.75 KB video, 512 [[byte]]s sprite atttributes, 1.5 KB sprite line buffers, 32 bytes scrolling) | ||
+ | :* Sound: 2 KB | ||
+ | * [[ROM]]: 105.53125 KB | ||
+ | :* Main: 48 KB | ||
+ | :* Video: 49.53125 KB (48 KB graphics, 1.53125 KB palette) | ||
+ | :* Sound: 8 KB | ||
+ | }} | ||
+ | |||
+ | ==List of games== | ||
+ | Note that ''[[Super Locomotive]]'' is listed as a System 1 game for using similar technology, but was not distributed on a System 1 board. | ||
+ | {{BulletPointGameList|SYS1}} | ||
+ | |||
+ | ==Production credits== | ||
+ | {{creditstable| | ||
+ | *[[Hideki Sato]] | ||
+ | | source=Developer mentions{{fileref|SS16CSTV2 Album JP Booklet.pdf|page=5}}{{ref|https://web.archive.org/web/20210205150032/https://www.4gamer.net/games/999/G999905/20210126043/}} | ||
+ | | console=Arcade | ||
+ | }} | ||
+ | |||
+ | ==Photo gallery== | ||
<gallery> | <gallery> | ||
− | + | System1 PCB1.jpg|PCB 1 | |
− | + | System1 PCB2.jpg|PCB 2 | |
</gallery> | </gallery> | ||
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==References== | ==References== | ||
− | <references /> | + | <references/> |
{{Sega Arcade Boards}} | {{Sega Arcade Boards}} | ||
[[Category:Sega System series]] | [[Category:Sega System series]] |
Latest revision as of 08:03, 16 November 2024
Sega System 1 | |||||||||||||
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Manufacturer: Sega Enterprises, Ltd. | |||||||||||||
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The Sega System 1 (セガ システム 1) is an arcade platform officially debuted by Sega in 1983,[1] based on earlier 1982 prototype hardware. It is a Z80-based platform and the first in the decade-long "System" series of arcade boards.
The System 1 was a relatively popular arcade board for its day, supported not only by Sega, but by Japanese developers Coreland and VIC Tokai between 1983 and 1987. In 1985 it was succeeded by the slightly more powerful Sega System 2 board, though new games were released for both systems concurrently. Many of the System 1's games were ported to the SG-1000 and Sega Master System consoles.
Contents
Technical specifications
System 1
- Board composition: One board
- Master clock rate: 19.99982 MHz[2]
Graphics
- Graphics chipset:[2]
- Color palette: 4096[6]
- Colors on screen: 2048[2]
- Sprite plane: Line buffer, double buffering, 16 colors per sprite, sprite flipping, hardware collision detection[6][2]
- Tilemap sizes: 256×256 for both planes
Memory
- ROM: 136.25 KB
- Main: 48 KB
- Video: 80.25 KB (48 KB tiles, 32 KB sprites, 256 bytes palette)
- Sound: 8 KB
Prototype
Super Locomotive in 1982 ran on prototype arcade hardware that was very similar to the Sega System 1 later released in 1983. Super Locomotive had largely identical specifications, but with the following differences:[8][9][10]
Graphics
- Graphics chipset:
- Sega 315-5011 sprite line comparator: 16‑bit line buffer RAM (11.79648 MHz, 23.59296 MB/s), 7.86432 MHz sprite line buffer render clock, 3.93216 MHz sprite line buffer scan/erase/pixel clock[5]
- Video resolution: 248×224 (active), 256×256 (overscan)
- Pixel clock rate: 3.93216 MHz
- Refresh rate: 60 Hz
- Color palette: 1568
- Colors on screen: 768
- Sprite plane:
Memory
List of games
Note that Super Locomotive is listed as a System 1 game for using similar technology, but was not distributed on a System 1 board.
- 4-D Warriors (1985)
- Block Gal (1987)
- Brain (1986)
- Bullfight (1984)
- Choplifter (1985)
- Flicky (1984)
- Gardia (1986)
- I'm Sorry (1985)
- Mister Viking (1984)
- My Hero (1985)
- Ninja Princess (1985)
- Pitfall II: The Lost Caverns (1985)
- Rafflesia (1986)
- Regulus (1983)
- Spatter (1984)
- Star Jacker (1983)
- Super Locomotive (1982)
- SWAT (1984)
- Teddy Boy Blues (1985)
- Up'n Down (1983)
- Water Match (1984)
- Wonder Boy ( ?)
Production credits
Photo gallery
References
- ↑ 1983 Timeline (Sega Corporation)
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 Sega System 1 / System 2 (MAME)
- ↑ File:Regulus System1 US Manual.pdf, page 8
- ↑ File:HangOn Schematics.pdf, page 4
- ↑ 5.0 5.1 5.2 5.3 Sega Pre-System 16 hardware notes (2004-03-29)
- ↑ 6.0 6.1 6.2 6.3 System1 / System 2 video hardware (MAME)
- ↑ File:Regulus System1 US Manual.pdf, page 14
- ↑ Super Locomotive (MAME)
- ↑ Super Locomotive video hardware (MAME)
- ↑ Sega Z80 Based Hardware (System 16)
- ↑ File:SS16CSTV2 Album JP Booklet.pdf, page 5
- ↑ https://www.4gamer.net/games/999/G999905/20210126043/ (Wayback Machine: 2021-02-05 15:00)
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