A software development kit for MS-DOS programming #VintageComputing #MSDOS #SDK
The DOS_SDK is a software developer kit (SDK) for developing DOS software for x86 machines, including IBM PC compatibles and NEC PC-98
This SDK is modeled after the Amiga NDK (Native Development Kit). The Amiga NDK contains a set of header files and libraries for both assembly and C development, which provides all the required constants, flags, data structures and whatnot to interface directly with the hardware, and having readable code making use of human-readable symbols and type definitions.
An equivalent for the IBM PC platform, or PC DOS/MS-DOS/compatible environments has never been available to my knowledge. This SDK attempts to fill that void. Think of it as Ralfs Interrupt List and Bochs ports.lst turned into .inc/.asm and .h/.c files ready for use in a programming environment.
For system-specific or hardware/standard-specific definitions, a prefix is used for the symbols. For example, the IBM PC-specific symbols are prefixed with PC_, and NEC PC-98-specific symbols are prefixed with PC98_. For graphics standards, we can see MDA_, HERC_, CGA_, EGA_ and VGA_ prefixes.
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