A VHS for Computers
The MSX was announced by ASCII Corporation on 16 June 1983, conceived by Microsoft as a product for the Japanese market and driven by Kazuhiko Nishi, ASCII's director and Microsoft's man in Japan. The idea was explicitly modelled on VHS: rather than each manufacturer building an incompatible home computer, they would all build machines to a common standard, so that software bought for one would run on any of them.
The ambition was enormous, and the buy-in was real. Fourteen major Japanese manufacturers signed on, a roll call of the country's entire electronics industry — Canon, Fujitsu, Hitachi, JVC, Kyocera, Matsushita, Mitsubishi, NEC, Pioneer, Sanyo, Sony, Toshiba, and Yamaha among them. The first machine to reach the public was Mitsubishi's ML-8000, released on 21 October 1983.
Even the name reflected the VHS ambition. Nishi has said the original definition was "Machines with Software eXchangeability," though he later suggested it was named after the MX missile; in his 2020 book he explained that he wanted a three-letter name like VHS, and chose MSX because it suggested "the next of Microsoft" while also containing the initials of Matsushita and Sony — the two giants whose participation would make or break the standard.
The Machine Japan Actually Used
The MSX never became the global standard its architects imagined. In the West it was a curiosity, arriving into markets already carved up by the Commodore 64, the ZX Spectrum, and the Apple II, and finding little purchase. Estimates of its total sales vary wildly depending on who is counting — one figure puts it at nine million units worldwide with seven million in Japan, while Nishi himself claims a more modest three million in Japan and one million abroad.
But in Japan, and in specific pockets elsewhere — notably the Netherlands, Brazil, Spain, and later the Soviet Union, where MSX machines were installed in schools — it mattered enormously. Crucially, it mattered before Nintendo's Family Computer took over. In the window before the Famicom's dominance became total, the MSX was the platform on which major Japanese studios cut their teeth: Konami and Hudson Soft among them, along with a generation of programmers learning their craft.
The hardware was modest by design, built around a Zilog Z80 and standardised graphics and sound. But because the standard was open to any manufacturer and the software library was shared, it created something rare in Japanese computing: a common target that developers could build for with confidence, and a body of published software that circulated widely.
Where Metal Gear Came From
The MSX's most enduring legacy is a single series. The first two games in the Metal Gear franchise — Metal Gear (1987) and Metal Gear 2: Solid Snake (1990) — were originally released for MSX hardware, and the platform's limitations shaped the series' identity in ways that persist to this day.
The story is well told but worth repeating for what it reveals. Hideo Kojima, then a junior designer at Konami, wanted to make a war game, but the MSX2's hardware could not draw many sprites on screen at once without flickering badly — which meant it could not render the swarms of bullets and enemies an action war game required. Rather than abandon the concept, Kojima inverted it: if the player could not fight many enemies at once, the player would avoid them instead. Combat became a failure state, and evasion became the goal.
Stealth, in other words, was born from a sprite limit. It is the single most instructive example in gaming of a hardware constraint producing not a compromise but an entirely new genre — and it happened on a machine that most Western players have never even seen. Konami's MSX output was rich beyond Metal Gear, too: the studio's SCC sound chip, built into its MSX cartridges, gave the platform some of the finest music of the 8-bit era.
The Standard That Almost Was
The MSX was overtaken. Nintendo's Famicom, cheaper and built purely for games, captured the Japanese living room, and the standard's manufacturers gradually drifted away. Microsoft, whose venture it had been, moved on and largely forgot it — the MSX is a genuine oddity in the company's history, a hardware standard from the firm that famously did not make hardware.
What it leaves behind is a persuasive counterfactual and a real inheritance. The counterfactual: a world in which home computers had converged on a shared standard the way video recorders did, and software had been portable across manufacturers from the beginning. That world did not happen, and computing spent decades on incompatible platforms instead.
The inheritance is more concrete. A generation of Japanese developers learned to program on MSX machines, and the games they made there — Metal Gear above all, but also Konami's remarkable SCC-powered catalogue and Hudson's early work — fed directly into the console era that followed. The MSX did not conquer the world. It did something quieter and arguably more important: it taught the people who would.