http://www.computerhistory.org/atchm/macpaint-and-quickdraw-source-code/ http://www.computerhistory.org/atchm/macpaint-and-quickdraw-... "The Apple Macintosh c

http://www.computerhistory.org/atchm/macpaint-and-quickdraw-source-code/ http://www.computerhistory.org/atchm/macpaint-and-quickdraw-... "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." "The high-level logic is written in Apple Pascal, packaged in a single file with 5,822 lines. There are an additional 3,583 lines of code in assembler language for the underlying Motorola 68000 microprocessor" But, almost two decades before that, in 1968(!) not directly the Paint program, but all kinds of interactivity and simple drawing using the first mice ever: https://m.youtube.com/watch?v=yJDv-zdhzMY https://m.youtube.com/watch?v=yJDv-zdhzMY https://en.wikipedia.org/wiki/The_Mother_of_All_Demos https://en.wikipedia.org/wiki/The_Mother_of_All_Demos