The Atomiswave is a custom
arcade system board
An arcade video game is an arcade game that takes player input from its controls, processes it through electrical or computerized components, and displays output to an electronic monitor or similar display. All arcade video games are coin-opera ...
and
cabinet from
Sammy Corporation. It is based on
Sega's Dreamcast
The is the final home video game console manufactured by Sega. It was released in Japan on November 27, 1998, in North America on September 9, 1999 and in Europe on October 14, 1999. It was the first sixth-generation video game console, prec ...
console, sharing similarities with the
NAOMI,
as far as it uses interchangeable
game cartridge
A ROM cartridge, usually referred to in context simply as a cartridge, cart, cassette, or card, is a replaceable part designed to be connected to a consumer electronics device such as a home computer, video game console or, to a lesser extent, ...
s, as well as a removable module for changing the control scheme (including dual
joystick
A joystick, sometimes called a flight stick, is an input device consisting of a stick that pivots on a base and reports its angle or direction to the device it is controlling. Also known as the control column, it is the principal control devic ...
s, dual
light gun
A light gun is a pointing device for computers and a control device for arcade and video games, typically shaped to resemble a pistol.
Early history
The first light guns were produced in the 1930s, following the development of light-sensi ...
s and a
steering wheel
A steering wheel (also called a driving wheel, a hand wheel, or simply wheel) is a type of steering control in vehicles.
Steering wheels are used in most modern land vehicles, including all mass-production automobiles, buses, light and hea ...
), but unlike the NAOMI, the Atomiswave does not feature expanded RAM compared to the Dreamcast.
With the retirement of the aging
Neo Geo MVS system,
SNK Playmore
is a Japanese video gaming and interactive entertainment company. It was founded in 1978 as
by Eikichi Kawasaki and began by developing arcade games. SNK is known for its Neo Geo arcade system on which the company established many franchises ...
chose the Atomiswave as its next system to develop games for. In a contract with
Sammy, SNK Playmore agreed to develop five games for the Atomiswave system. ''
Metal Slug 6'' was SNK Playmore's fifth game for the Atomiswave, after which SNK moved on to a
Taito Type X2 arcade board. Sega ended technical support for the system and its games on March 31, 2017.
Since its discontinuation, the Atomiswave library has received homebrew conversions to the Dreamcast.
Specifications

*
CPU:
Hitachi
() is a Japanese Multinational corporation, multinational Conglomerate (company), conglomerate founded in 1910 and headquartered in Chiyoda, Tokyo. The company is active in various industries, including digital systems, power and renewable ener ...
SH-4 32-bit
RISC
In electronics and computer science, a reduced instruction set computer (RISC) is a computer architecture designed to simplify the individual instructions given to the computer to accomplish tasks. Compared to the instructions given to a comp ...
CPU 200
MHz
The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), often described as being equivalent to one event (or cycle) per second. The hertz is an SI derived unit whose formal expression in terms of SI base u ...
**Rated performance: 360
MIPS/1.4
GFLOPS
Floating point operations per second (FLOPS, flops or flop/s) is a measure of computer performance in computing, useful in fields of scientific computations that require floating-point calculations.
For such cases, it is a more accurate measu ...
*Graphics processor:
PowerVR
PowerVR is a division of Imagination Technologies (formerly VideoLogic) that develops hardware and software for 2D and 3D rendering, and for video encoding, video decoding, decoding, associated image processing and DirectX, OpenGL ES, OpenVG, and ...
2 100 MHz
**
Polygon
In geometry, a polygon () is a plane figure made up of line segments connected to form a closed polygonal chain.
The segments of a closed polygonal chain are called its '' edges'' or ''sides''. The points where two edges meet are the polygon ...
performance: 3 to 5 million polygons/sec
**Rendering speed: 500 M pixels/sec
**Additional features:
bump mapping
Bump mapping is a texture mapping technique in computer graphics for simulating bumps and wrinkles on the surface of an object. This is achieved by perturbing the surface normals of the object and using the perturbed normal during lighting calcul ...
, fog,
alpha-blending (transparency), MIP mapping (polygon-texture auto switch), tri-*linear filtering,
anti-aliasing Anti-aliasing may refer to any of a number of techniques to combat the problems of aliasing in a sampled signal such as a digital image or digital audio recording.
Specific topics in anti-aliasing include:
* Anti-aliasing filter, a filter used b ...
,
environment mapping
In computer graphics, reflection mapping or environment mapping is an efficient image-based lighting technique for approximating the appearance of a reflective surface by means of a precomputed texture. The texture is used to store the image of ...
, and specular effect
*Sound processor: ARM7
Yamaha AICA (with internal 32-bit RISC
CPU, 64 channel ADPCM) 45 MHz
*Memory
**System: 16
MB
**Graphics: 8 MB
**Sound: 2 MB
*Storage media: ROM board
AW-net
In Japan, the Atomiswave was able to connect via a special modem to the AW-Net online system set up by Sammy. The AW-Net was primarily used to play online with other players and to create online player rankings. AW-Net was discontinued on 30 November 2006 following the merger of Sammy and Sega; the follow-up system was
ALL.Net.
Games
Released
Unreleased
*''Sushi Bar'' (Sammy, 2003)
*''Premier Eleven'' (Sammy/Dimps, 2003)
*''Chase 1929'' (Sammy, 2004)
*''Force Five'' (Sammy, 2004)
*''Kenju'' (Sammy / DreamFactory, 2004)
References
External links
http://atomiswave.forumer.com/System16.com's Atomiswave Hardware pagehttps://segaretro.org/Atomiswave
Arcade system boards
Online video game services
SuperH architecture
Dreamcast
{{Sega hardware