HELPPC is a quick reference utility for the intermediate to advanced programmer.
DOS interrupts and DOS functions
EMS and Mouse functions
BIOS and DOS data structures
80x86 assembler instructions
standard and vendor specific C functions
various hardware specifications
HelpPC is available for online browsing in HTML form. You can also download the original archive, which the contains the entire database in text format, viewable with the stand-alone DOS utility or the context-sensitive TSR.
by David Jurgens
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