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Category Archives: Source code
Windows 9x Video Minidriver Source Code
As promised, here is the source code for the Windows 9x VirtualBox display minidriver. For discussion of the source code, see the included readdev.txt file. The code was developed on a Windows 10 host system. For extra credit, I attempted … Continue reading
Posted in Development, Source code, VirtualBox, Watcom, Windows 95
13 Comments
Well Hello
So after some furious disassembling, assembling, and linking, things got this far: It took longer than it ought to have because although IDA is great, I couldn’t figure out how to make it work with GW-BASIC’s bizarre segment usage. The … Continue reading
Posted in Compaq, Microsoft, PC history, Source code
5 Comments
GW-BASIC Source Notes
When I learned that Microsoft released the GW-BASIC source code, I was mildly curious to find out what is or isn’t there. The short answer is that there’s a whole lot, but a lot is also missing. Spelling note: Both … Continue reading
Posted in Microsoft, PC history, Source code
18 Comments
Microsoft Editor
(This is a guest post by Antoni Sawicki aka Tenox) In a recent blog post I lamented the lack of a good console/cmd/PowerShell text editor for Windows. During the process I made a rather interesting discovery, that in a fact … Continue reading
Posted in Development, DOS, Editors, Microsoft, NT, OS/2, Source code, Uncategorized
21 Comments
PC-MOS/386 Source Code
I missed this when it was initially announced. The source code for PC-MOS/386 version 5.01 is now available on github under the GPLv3 license. It requires the user to supply Borland C++ 3.1 in order to build, but there are … Continue reading
Posted in 386, DOS, Source code
8 Comments
Any Soundscape VIVO fans here?
While digging into the implementation of Sound Blaster compatibility on PCI cards, I found an unexpected gem. Ensoniq’s U.S. Patent 5,790,837 includes partial source code for the Sound Blaster emulation driver used with the Ensoniq Soundscape VIVO boards, SSINIT.COM. The VIVO boards were … Continue reading
Posted in Ensoniq, Sound, Sound Blaster, Source code
6 Comments
NT Video Miniport for VirtualBox, With Source Code
Note: See also an updated version. Upon reader request, the OS/2 Museum is publishing the source code to the NT video miniport driver for VirtualBox. To recap, this is a NT video miniport which allows 32-bit NT versions to use high-resolution graphics … Continue reading
Posted in Graphics, NT, Source code, VirtualBox
48 Comments