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DOS 4 GW: Difference between revisions
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A popular DOS extender from the early 90's. Back then, most advanced PC OSes, such as Microsoft Windows, OS/2 or various flavors of [[UNIX]], didn't allow the programmer full direct access to the hardware, something a lot of game developers relied on for performance-enhancing tricks. Their own [[API]]s were generally suited to the needs of [[Serious Business|more serious applications]], not video games. That left a PC programmer with MS-DOS as a system of last resort, as it ''did'' allow direct access to hardware, but then another problem reared its ugly head: the infamous 640K barrier.
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