Difference between revisions of "Sega OutRun hardware"
From Sega Retro
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===Graphics=== | ===Graphics=== | ||
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| − | * Video Board [[wikia:w:c:gaming:Graphics processing unit|GPU]]: Sega 171‑5377 VIDEO Board graphics chipset @ 25.1748 MHz (5 processors, | + | * Video Board [[wikia:w:c:gaming:Graphics processing unit|GPU]]: Sega 171‑5377 VIDEO Board graphics chipset @ 25.1748 MHz (5 processors, 80‑bit bus width) {{ref|[http://imame4all.googlecode.com/svn-history/r146/Reloaded/trunk/src/mame/video/segaic16.c Sega 16‑Bit Common Hardware (MAME)]}}{{ref|[https://github.com/mamedev/mame/blob/master/src/mame/drivers/segaorun.cpp Sega OutRun Hardware (MAME)]}}{{ref|1=http://arcarc.xmission.com/PDF_Arcade_Manuals_and_Schematics/Outrun%20Schematics.pdf#page=8}} |
** 315‑5197 Sega Custom Tilemap Generator [[wikipedia:Field-programmable gate array|FPGA]]: 24‑bit | ** 315‑5197 Sega Custom Tilemap Generator [[wikipedia:Field-programmable gate array|FPGA]]: 24‑bit | ||
| − | ** 315‑5211 Sega Custom Sprite Generator FPGA: | + | ** 315‑5211 Sega Custom Sprite Generator FPGA: 24‑bit (24‑bit ROM, 16‑bit RAM) |
** 315‑5227A Signetics CK2678 [[wikipedia:Programmable Array Logic|PAL]]: 8‑bit | ** 315‑5227A Signetics CK2678 [[wikipedia:Programmable Array Logic|PAL]]: 8‑bit | ||
** 315‑5228 Signetics CK2605 FPGA: 8‑bit {{fileref|303A-011A Device List.pdf|page=11}}{{fileref|CK2605 Fusemap.pdf}} | ** 315‑5228 Signetics CK2605 FPGA: 8‑bit {{fileref|303A-011A Device List.pdf|page=11}}{{fileref|CK2605 Fusemap.pdf}} | ||
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* [[ROM]]: Up to 3008 KB [[EPROM]]/[[wikipedia:Mask ROM|MROM]] (672 KB main, 1888 KB video, 448 KB sound) {{fileref|TurboOutRun Arcade JP Flyer.pdf|page=2}}{{ref|[http://www.mamedb.com/game/toutrun Turbo OutRun (MAME)]}} | * [[ROM]]: Up to 3008 KB [[EPROM]]/[[wikipedia:Mask ROM|MROM]] (672 KB main, 1888 KB video, 448 KB sound) {{fileref|TurboOutRun Arcade JP Flyer.pdf|page=2}}{{ref|[http://www.mamedb.com/game/toutrun Turbo OutRun (MAME)]}} | ||
}} | }} | ||
| + | |||
| + | ===Bandwidth=== | ||
| + | * RAM bandwidth: {{ref|http://arcarc.xmission.com/PDF_Arcade_Manuals_and_Schematics/Outrun%20Schematics.pdf}} | ||
| + | ** Main RAM: 40 MB/s (32‑bit, 10 MHz, 100 [[wikipedia:Nanosecond|ns]]) | ||
| + | ** Sound RAM: 20.666667 MB/s (120 ns) {{fileref|TMM2018 datasheet.pdf}} | ||
| + | *** Z80: 4 MB/s (8‑bit, 4 MHz) | ||
| + | *** 315‑5218: 16.666667 MB/s (16‑bit, 8.333333 MHz) | ||
==Gallery== | ==Gallery== | ||
Revision as of 18:17, 21 January 2016
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| Sega OutRun hardware | |||||
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| Manufacturer: Sega | |||||
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Sega's OutRun hardware was released in 1986 with the driving game OutRun. It is a successor to their Hang-On hardware, making it the second in Sega's Super Scaler series of three-dimensional arcade hardware. It was succeeded by the Sega X Board in 1987.
The OutRun hardware, like the Hang-On hardware, has specifications similar to those of the System 16, with the addition of a second 68000 processor and a separate video board which allowed for an extra graphics layer for the road as well as sprite/texture scaling capabilities. The OutRun hardware can do everything the Hang-On hardware can do, but its processors are clocked higher (allowing for quicker calculations), it has more memory, and the video board's capabilities have been expanded, capable of drawing two roads (the Hang-On hardware can only draw one) and rendering sprites/textures using a framebuffer system with a higher fillrate (the Hang-On hardware used a line-buffer system). At the time, the OutRun hardware was a very powerful but expensive arcade board, with arcade operators advised to charge twice as many credits than for regular arcade machines.
Three games made use of the hardware, all of which are driving games. However, only OutRun and Turbo OutRun are truly for this hardware, as Super Hang-On was also released for the Hang-On hardware in a mostly identical form.
Contents
Technical Specifications
- Board composition: CPU Board, Video Board [1]
- Main CPU: 2× 68000 @ 12.5 MHz: 16/32‑bit instructions, 4.375 MIPS, 32‑bit (2× 16‑bit) data bus, 48‑bit (2× 24‑bit) address bus [2]
- Memory Mapper FPGA: Sega 315‑5195 Memory Mapper @ 40 MHz: 16‑bit data bus, 24‑bit address bus [3][2]
Sound
- Sound CPU: Zilog Z80 @ 4 MHz (8/16‑bit instructions, 0.58 MIPS)
- Sound chips: 2 chips, 24 channels, 24‑bit bus width [4]
- FM synthesis chip: Yamaha YM2151 @ 4 MHz (8 FM channels, 8‑bit bus width) [5]
- PCM sampling chip: SegaPCM 315‑5218 Sound Controller @ 4/16 MHz [1] (stereo output, 16 PCM channels, 12‑bit audio depth,[6] 31.25 kHz sampling rate, 16‑bit bus width)
- Sound DAC: Yamaha YM3012 @ 4 MHz: 16‑bit floating‑point dynamic range [7]
- Sound FPGA: Sega 315‑5223A (Signetics CK2605) @ 16 MHz: 8‑bit bus width [8][9]
Graphics
- Video Board GPU: Sega 171‑5377 VIDEO Board graphics chipset @ 25.1748 MHz (5 processors, 80‑bit bus width) [10][1][4]
- Main Board GPU: Sega 171‑5376 CPU Board graphics chipset @ 39.99967 MHz (6 processors, 48‑bit bus width) [10][1][11]
- Video resolution: 320×224 (display), 400×262 (overscan),[1] progressive scan
- Scanlines: 224 (display), 262 (overscan)
- Framebuffer resolution: 512×256 pixels
- Refresh rate: 60.0543 Hz (V‑sync) [1]
- Frame rate: 30–60 frames per second
- Color palette: 98,304
- 16-bit color palette: 15‑bit RGB color depth (32,768 colors), 1‑bit shadow & highlight triples up to 98,304 colors
- Colors on screen: 12,288 [1]
- Graphical planes:
- 2 tilemap layers: System 16B tilemap system, row & column scrolling, parallax scrolling
- 1 text layer
- 1 sprite layer: Hardware sprite-scaling/zooming
- 1 road layer: Can draw 2 roads at once, 512×256 pixels each, tiled bitmaps
- Translucent shadows
- Sprite/texture capabilities: Frame-buffered sprites/textures with zooming capabilities, 128 on‑screen sprites per frame, 7680 sprites/textures scaled per second, 16 colors per sprite/texture
- Video clock cycles: 25.1748 MHz (60.0543 Hz refresh rate)
- Sprite pixel/texel fillrate: 25.1748 million pixels/texels per second,[1] 419,199 pixels/texels per frame/refresh, 1600 sprite pixels/texels per scanline, 128 sprites/textures per scanline
Memory
Bandwidth
- RAM bandwidth: [15]
Gallery
CPU board (top)
CPU board (bottom)
Video board (top)
Video board (bottom)
List of Games
- Out Run (1986)
- Super Hang-On (1987)
- Turbo OutRun (1989)
- Limited Edition Hang-On (1991)
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 Sega OutRun Hardware (MAME)
- ↑ 2.0 2.1 2.2 http://arcarc.xmission.com/PDF_Arcade_Manuals_and_Schematics/Outrun%20Schematics.pdf#page=2
- ↑ http://imame4all.googlecode.com/svn-history/r146/Reloaded/trunk/src/mame/video/segaic16.c
- ↑ 4.0 4.1 http://arcarc.xmission.com/PDF_Arcade_Manuals_and_Schematics/Outrun%20Schematics.pdf#page=8
- ↑ http://map.grauw.nl/resources/sound/yamaha_ym2151_datasheet.pdf
- ↑ Sega X Board Hardware Notes (12/03/2004)
- ↑ http://www.dtech.lv/files_ym/ym3012.pdf
- ↑ 8.0 8.1 8.2 File:303A-011A Device List.pdf, page 11
- ↑ 9.0 9.1 9.2 File:CK2605 Fusemap.pdf
- ↑ 10.0 10.1 Sega 16‑Bit Common Hardware (MAME)
- ↑ http://arcarc.xmission.com/PDF_Arcade_Manuals_and_Schematics/Outrun%20Schematics.pdf#page=5
- ↑ http://www.datasheets360.com/pdf/-7251416414879408856
- ↑ File:PAL16R datasheet.pdf
- ↑ File:TMM2063P datasheet.pdf
- ↑ 15.0 15.1 http://arcarc.xmission.com/PDF_Arcade_Manuals_and_Schematics/Outrun%20Schematics.pdf
- ↑ 16.0 16.1 16.2 File:TMM2018 datasheet.pdf
- ↑ File:TurboOutRun Arcade JP Flyer.pdf, page 2
- ↑ Turbo OutRun (MAME)
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