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Category Archives: Development
Book Review: DOS Internals
A Few Decades Late Book Reviews DOS Internals, by Geoff Chappell Addison-Wesley, March 1994; 768 pages, ISBN 0-201-60835-9; $39.95 DOS Internals is a very unusual book. Written by an academic whose field isn’t computer science, it is a in-depth and … Continue reading
Posted in Books, Development, DOS, Microsoft
6 Comments
Phantom 3.0
As previously mentioned, the OS/2 Museum adapted the Phantom redirector example from the second edition of Undocumented DOS to demonstrate that the redirector interface was already fully implemented in the August, 1984 release of PC DOS 3.0, a fact apparently … Continue reading
Posted in Development, DOS
36 Comments
MS-DOS OAKs
Prior to 1991, Microsoft did not sell MS-DOS to end users directly. Although MS-DOS 3.2 (1986) and later was available to system builders as a “packaged product”, most PC users would get an OEM version of MS-DOS with a new … Continue reading
Posted in Development, DOS, Microsoft
10 Comments
Watcom Win386
When Windows 3.0 came out in 1990, the press loved it and users bought it in droves. Unfortunately, technically it was at best a step sideways, and Windows 3.0 was the cause of many sleepless nights for application developers. Even … Continue reading
Posted in 386, Development, Windows
13 Comments
Kernel Debugging with VirtualBox
Virtualization readily lends itself to debugging of low-level code that is difficult to analyze in conventional environments. It is also convenient for kernel debugging which would otherwise require two separate systems or at least a separate serial terminal. OS/2 Setting … Continue reading
Posted in Development, OS/2, VirtualBox
4 Comments
Retro development with aclock
In the past few days, I embarked upon a project to port Antoni Sawicki’s aclock, a small text-based clock program (aclock stands for analog clock), to 16-bit Windows. While aclock itself has been ported to over 150 platforms, it is a … Continue reading
Posted in Development, PC history, Windows
14 Comments