The X68000 remained the most powerful home gaming system up until the release of the Neo Geo arcade-based console in 1990. Its main 16-bit rivals in the Japanese computer market were the NEC PC-98, launched in 1982, and the FM Towns, launched in 1989. The PC-98 would remain the computer market leader in Japan up until the mid-1980s, while the X68000 and FM Towns fought for second place, up until the arrival of Windows 95 on the IBM PC slowly began dominating over local Japanese competition around the late 1990s. The X68K runs an operating system called Human68k, which was developed jointly by Sharp and Hudson Soft. Executable files end in an extension of '.X'.Īt least three major versions of the operating system were released, with a number of minor releases between. The X68000 was one of the first computers to feature soft-on power, where the main power supply was always on and the front-mounted power switch would only signal the machine to shut down, giving software time to save, shutdown and usually fade out the sound and the screen. This was a precursor to most modern operating systems. Graphical ShellĮarly models included a graphical shell called VS ('Visual Shell'). This was later replaced by Sx-window, which had a look and feel similar to NeXT. Sx-window was too slow to be used for games, and very little video game software was developed for it. The Sharp X68000 had similar hardware specs as the average arcade cabinet hardware of the late 80's, as well as 2D arcade machines into the early 90's. Like arcade machines (as well as the later Neo Geo arcade/console system), much of the X68000's advanced graphical capabilities came from the use of custom GPU graphics processors, which were improved with later hardware revisions. Performance: 1.8 MIPS (Million Instructions Per Second).Main CPU (Central Processing Unit) processor.Because of this, it featured a large number of games that were perfectly ported from the arcades to the X68000, making it the most powerful home gaming system of the 1980s. Performance: 28-44 MIPS, 4-6 MFLOPS (Million Floating-point Operations Per Sec).

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