This is a collection of information and source code for hacking and modding Sid Meier's Covert Action (from 1990).
Everything here is released under Unlicense (public domain), unless mentioned otherwise.
Covert Action can be bought at: http://www.gog.com/game/sid_meiers_covert_action
Win32 binaries: http://iki.fi/sol/zip/smca_modtools.zip