The question is how can I glue together 16 bit C code, 32 bit C code, and assembly int eh middle that does the mode switch? I have written and tested the ASM that does the mode switch, and I have used ...

You can add ABI-DOS to your library for zero dollars and zero cents via its Steam page. On the subject of Zachtronics, some of the team have found new life as a developer of primarily tabletop games ...

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It's no joke. Microsoft and IBM have joined forces to open-source the 1988 operating system MS-DOS 4.0 under the MIT License. Why? Well, why not? That got Hanselman and Wilcox digging into the ...

Despite the latest and greatest Intel-derived computers having multi-core 64-bit processors and unimaginably fast peripherals, at heart they all still retain a compatibility that goes back to the ...

It might seem odd to think about programming in MSDOS in 2018. But if you are vintage computer enthusiast or have to support some old piece of equipment with an MSDOS single board computer, it could ...

Update, July 5, 2021: It's the July 4 holiday weekend in the US, which means Ars staff gets a well-deserved holiday to catch up on this summer's Steam sale (or maybe just to rest). As such, we're ...

As the forerunner to the graphical user interfaces in Microsoft’s Windows platform, MS-DOS helped set the stage for the company’s dominance in the PC software market. When MS-DOS was released in 1981, ...