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Remember that flyer, though? It has some screenshots. Surprisingly, even the US flyer shows off Japanese text, when the Japanese SG-1000 release only has English-language text. In the final arcade game, language is determined by a dip switch.

Going back to comparing this to the SG-1000, one difference we can see in the case of Champion Boxing is the ROM map. On either MyCard or cartridge, it was just a 32kiB home game. But in the arcade? Notice the memory map from the MAME source:

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In the case of Pachinko and other pseudo-40kiB games, most of this ROM was taken up by mirrors of the original. But here, the whole 40kiB will be taken up with unique data. After we obtain a legitimate copy of the Champion Boxing arcade ROMs, and concatenate them in the correct order for our cartridge, a miracle happens:

If you're not familiar with the Z80, you might be confused by this discussion of ports. Unlike the 6502, where everything the processor can access must be mapped into the 64kiB of memory, the Z80 offers "I/O ports", a separate 8-bit address bus that's designed for devices like the Intel PIA. The SG-1000 also accesses the VDP and sound chip over this bus.

Well, this is where the big caveat of this mod becomes apparent. Look at the table again: the player 1 controls are all mapped to the same port in the same way as on the regular SG-1000. But the player 2 buttons are not. The player 2 buttons, as you can see on the table above, are mapped completely differently. Without a complex wiring harness and more mods to pick up all the signals, this is going to be a one-player arcade system.

I've run into a small issue in my application and am wondering if someone has already solved it. We're currently using feature reduction clusters and displaying labels on those clusters using an arcade expression.

We are trying to achieve rounding within the expression. I know that I can write custom code to handle conditions of the count, but I'm wondering if there is a better way to achieve the visualization shown below where numbers above 1000 round to the nearest hundred and numbers above 100,000 round to the nearest thousand and numbers above 1000000 round to the nearest million.

Before the advent of online gaming and even before home gaming systems delivered cutting edge graphics to the living room, multiplayer was largely the domain of the video arcade. For the cost of a quarter or two, gamers can go head to head against strangers or friends on arcade machines and find out who is the better player. Unfortunately, the video arcade business is virtually dead these days with only a handful of establishments remaining in North America when they used to number in the thousands. It even feels weird to think that a lot of people under 20 years old probably do not even know what a video arcade is considering how popular they used to be.

The F-1000 box measures 330 x 275 x 150 cm and the unit itself is packed with dual foam protection on each side keeping the F-1000 at the center. To prevent scratches while inside the box, there is also protective plastic covering. Accessories include a user manual and a USB extension cable. Not that the extension cable is necessary considering the USB cord is three meters long already but in case users need an extra meter, a USB extension cable is available out of the box. The USB cord is hardwired into the unit base and has anti-fraying/tugging protection on both ends.

The SG-1000[a] is a home video game console manufactured by Sega. It was Sega's first entry into the home video game hardware business. Developed in response to a downturn in arcades starting in 1982, the SG-1000 was created on the advice of Hayao Nakayama, president of Sega's Japanese arm, and was released on July 15, 1983, the same day that Nintendo released the Family Computer in Japan. It also saw limited release in Australia and New Zealand.

The SG-1000 was released in several forms, including the SC-3000 computer and the redesigned SG-1000 II[b] released in 1984. The SG-1000 and the SC-3000 both support a library of 76 ROM cartridge games and 29 Sega My Card games.

A third iteration of the console, the Mark III, was released in 1985. It provided an improved custom video display processor over previous iterations and served as the basis for the Master System in 1986, Sega's first internationally released console. All SG-1000 games are fully compatible with the Mark III and the Japanese version of the Master System.

In the early 1980s, Sega Enterprises, Inc., then a subsidiary of Gulf and Western, was one of the top five arcade game manufacturers active in the United States, as company revenues rose to $214 million.[4] A downturn in the arcade business starting in 1982 seriously hurt the company, leading Gulf and Western to sell its North American arcade manufacturing organization and the licensing rights for its arcade games to Bally Manufacturing.[5][6] The company retained Sega's North American R&D operation, as well as its Japanese subsidiary, Sega Enterprises, Ltd. With its arcade business in decline, Sega Enterprises, Ltd. president Hayao Nakayama advocated that the company leverage its hardware expertise to move into the home console market in Japan, which was in its infancy at the time.[7] Nakayama received permission to proceed.[8]

The first model to be developed was the SC-3000, a computer with a built-in keyboard, but when Sega learned of Nintendo's plans to release a games-only console, they began developing the SG-1000 alongside the SC-3000.[9] The "SG" in the console's name is an abbreviation for "Sega Game",[10] and the console is also sometimes referred to as the "Mark I".[11] To keep costs down while ensuring sufficient longevity, Sega opted to create the platform from popular off-the-shelf components.[9]

The SG-1000 was first released in Japan on July 15, 1983, at 15,000.[10] It was released on the same day as Nintendo launched the Family Computer (Famicom) in Japan.[8][12] It was released simultaneously with the SC-3000,[8][10][13] as well as the upgraded SC-3000H.[14] Though Sega themselves only released the SG-1000 in Japan, rebranded versions were released in several other markets worldwide. Released at nearly the same time as the Japanese version, the SG-1000 was released in Australia through John Sands Electronics[8] and in New Zealand by Grandstand Leisure.[9] The console also saw a release in Italy and Spain,[11] but was not released in the larger video game markets of the United States, United Kingdom, or Germany.[12] Despite this, an unauthorized clone system known as the Telegames Personal Arcade was produced and made available in the United States and Taiwan, and is able to play SG-1000 and ColecoVision games.[8] An additional release of the SG-1000 in Taiwan was done by Aaronix.[9] The console enjoyed a brief period of popularity in Taiwan before the market was taken over by cheaper Famicom clones.[15]

Due in part to the SG-1000's steadier stream of releases (21 SG-1000 games by the end of 1983, as compared to only 9 Famicom games), and in part to a recall on Famicom units necessitated by a faulty circuit, the SG-1000 sold 160,000 units in 1983, far exceeding Sega's projection of 50,000.[9] Former Sega consumer hardware development head Hideki Sato stated that because Sega had not predicted the SG-1000 would sell so well, the company became more enamored with developing video game consoles.[16] Despite this, the three launch games, all of which were ported from Sega's VIC dual-arcade board, lacked the name recognition of Famicom launch games Donkey Kong, Donkey Kong Jr., and Popeye.[9] Shortly after launch, Gulf and Western began to divest itself of its non-core businesses after the death of company founder Charles Bluhdorn,[17] so Nakayama and former Sega CEO David Rosen arranged a management buyout of the Japanese subsidiary in 1984 with financial backing from CSK Corporation, a prominent Japanese software company. Nakayama was then installed as CEO of the new Sega Enterprises, Ltd.[18]

Following the buyout, Sega released another console, the SG-1000 II, on July 31, 1984[13][11] at 15,000.[19] It is sometimes referred to as the "SG-1000 Mark II".[11] The SG-1000 II replaced the hardwired joystick with two detachable joypads.[8] Sato disliked the original cartridges, saying they looked like "small black tombstones" when inserted in the console, and later remarked that his proudest achievement of the SG-1000 era was replacing them with the "cheerier", pocket-sized Sega My Cards.[9] Sega also employed popular owarai comedy duo Tunnels to provide celebrity endorsement for the console.[9] Japanese company Tsukuda Original Co., Ltd. created the Othello Multivision, based around the SC-3000 and SG-1000 hardware.[20]

By 1984, the Famicom's success began to outpace the SG-1000. The Famicom had more advanced hardware, allowing it to perform smoother scrolling and more colorful sprites, and Nintendo boosted its games library by courting third-party developers, whereas Sega was less than eager to collaborate with the same companies they were competing with in arcades.[9] The SG-1000 was also coming up against game consoles from companies including Tomy and Bandai.[8] This would result in the release of the Sega Mark III in Japan in 1985, which later became the Master System worldwide.[11] The last cartridge released was Portrait of Loretta on February 18, 1987.[21] In 2006, the GameTap subscription gaming service added an emulator of the SG-1000, and several playable titles.[22]

The SG-1000 is powered by an 8-bit Zilog Z80 central processing unit running at 3.58 MHz. Its video processor is a Texas Instruments TMS9918A, capable of displaying up to 16 colors, and its sound processor is a Texas Instruments SN76489.[8][16] The system includes 8 kbit (1 KB) of RAM.[23] The controller is hardwired to the system in the original model, and detachable in the SG-1000 II. Video and audio output are supplied through an RF switch.[8] Power is supplied through a 9 V DC connector connected to an AC adapter.[23][24][25] 17dc91bb1f