MacPaint and QuickDraw Source Code Released

The Computer History Museum:

The Apple Macintosh combined brilliant design in hardware and in software. The drawing program MacPaint, which was released with the computer in January of 1984, was an example of that brilliance both in what it did, and in how it was implemented.

For those who want to see how it worked “under the hood”, we are pleased, with the permission of Apple Inc., to make available the original program source code of MacPaint and the underlying QuickDraw graphics library.

These 5,822 lines of Pascal and 3,583 lines of 68000 assembly helped change the world.