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For Your Inspection: Source Code For Photoshop 1.0

Posted by timothy on from the time-delay dept.

gbooch writes "With the permission of Adobe Systems, the Computer History Museum has made available the source code for Photoshop version 1.0.1, comprising about 128,000 lines of code within 179 files, most of which is in Pascal, the remainder in 68000 assembly language. This the kind of code I aspire to write. The Computer History Museum has earlier made available the source code to MacPaint."

2 of 176 comments (clear)

  1. Re:Pascal ? by ImdatS · · Score: 5, Informative

    Photoshop 1 was only available on a Mac. I remember receiving the first "public beta" (Photoshop 0.9) some time in 1990 or so and it was awesome - jawdroppping awesome...

    In any case, you would use MPW (Macintosh Programmer's Workshop) those days, which I think is still one of the best team-development tools. And the language-of-choice (well, in fact, nearly the only choice) for developing on a Mac at those days was Pascal + Assembler.

    So, it makes sense that this code is Pascal.

  2. Re:Still Down by AmIAnAi · · Score: 5, Informative

    Some kind soul put up this mirror on GitHub.

    --
    Any sufficiently advanced bug is indistinguishable from a feature.