SX-Window

SX-Window is a graphic user interface (GUI) operating system for the Sharp X68000 series of computers, which were popular in Japan. It was first released in 1989 and had its last update in 1993.[1]. It runs on top of the Human68k disk operating system, similarly to how Windows 3.1 runs on top of MS-DOS.[2]

SX-Window
A screenshot of SX-Window 3.0/ 3.1
DeveloperSharp Corporation and Hudson Soft
Initial release1989 (1989)
Latest release3.1 / 1993 (1993)[1]
PlatformsMotorola 68000 series
LicenseProprietary
Preceded byVS (Visual Shell)

History

SX-Window was introduced for X68000 in 1989, and came preinstalled on the X68000 EXPERT model. It was developed by Hudson. The final release was 3.1 in 1993. In 2000, Sharp released the system software for the X68000 free-of-charge, including SX-Window.[3]

Technical details

The look and feel of the GUI is like that of the NeXTSTEP operating system, and its API is similar to the Macintosh Toolbox. It uses non-preemptive multitasking with the event-driven paradigm. It has a garbage collection system without MMU of MPU, but it was difficult to program because all pointers derived from handles become invalid once any API is called. The X68000 was very powerful for game software, but this GUI could be slow, as no hardware acceleration card was supported. Only a few applications and games were developed for this system.

References
  1. "Directory Listing of /X68000/OperatingSystems/SX-Window/". Archived from the original on 2017-10-08. Retrieved 2018-03-11.
  2. "Sharp X68000 XVI Compact". Vintagecpu.wordpress.com. 22 December 2010. Retrieved 1 August 2018.
  3. "無償公開されたシャープのソフトウェア - ソフトウェアライブラリ - X68000 LIBRARY". Retropc.net. Retrieved 1 August 2018.
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