Electronic Arts DeluxePaint early source code
With the permission of Electronic Arts, Inc. the Computer History Museum is pleased to make available, for non-commercial use, the source code to the 1986 version I of DeluxePaint. There are 89 files of C language source, comprising almost 17,000 lines of code in about 474 KB of text.The CHM keeps on doing awesome stuff like this. Also thanks to EA for releasing this historic code.