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posted by chromas on Thursday May 24 2018, @12:02PM   Printer-friendly
from the classical-sauce dept.

Thomas Knoll, a PhD student in computer vision at the University of Michigan, had written a program in 1987 to display and modify digital images. His brother John, working at the movie visual effects company Industrial Light & Magic, found it useful for editing photos, but it wasn’t intended to be a product. Thomas said, “We developed it originally for our own personal use…it was a lot a fun to do.”

Gradually the program, called “Display”, became more sophisticated. In the summer of 1988 they realized that it indeed could be a credible commercial product. They renamed it “Photoshop” and began to search for a company to distribute it. About 200 copies of version 0.87 were bundled by slide scanner manufacturer Barneyscan as “Barneyscan XP”.

The fate of Photoshop was sealed when Adobe, encouraged by its art director Russell Brown, decided to buy a license to distribute an enhanced version of Photoshop. The deal was finalized in April 1989, and version 1.0 started shipping early in 1990.

Over the next ten years, more than 3 million copies of Photoshop were sold.

That first version of Photoshop was written primarily in Pascal for the Apple Macintosh, with some machine language for the underlying Motorola 68000 microprocessor where execution efficiency was important. It wasn’t the effort of a huge team. Thomas said, “For version 1, I was the only engineer, and for version 2, we had two engineers.” While Thomas worked on the base application program, John wrote many of the image-processing plug-ins.

With the permission of Adobe Systems Inc., the Computer History Museum is pleased to make available, for non-commercial use, the source code to the 1990 version 1.0.1 of Photoshop. All the code is here with the exception of the MacApp applications library that was licensed from Apple. There are 179 files in the zipped folder, comprising about 128,000 lines of mostly uncommented but well-structured code. By line count, about 75% of the code is in Pascal, about 15% is in 68000 assembler language, and the rest is data of various sorts.

Download Photoshop version 1.0.1 Source Code


Original Submission

 
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  • (Score: 1, Insightful) by Anonymous Coward on Thursday May 24 2018, @01:31PM (3 children)

    by Anonymous Coward on Thursday May 24 2018, @01:31PM (#683536)

    The download page also requires JS because plain HTML forms are apparently too hard to concoct in the present year. Nonwithstanding, the file can be downloaded without clicking any of the buttons because it's exposed in the page source.

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  • (Score: 2) by JoeMerchant on Thursday May 24 2018, @01:57PM

    by JoeMerchant (3937) on Thursday May 24 2018, @01:57PM (#683541)

    page also requires JS

    Blame Google, they optimized JS execution in Chrome - accelerating the scripted web tsunami.

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    🌻🌻 [google.com]
  • (Score: 2) by meustrus on Thursday May 24 2018, @04:33PM (1 child)

    by meustrus (4961) on Thursday May 24 2018, @04:33PM (#683606)

    Have you worked with plain HTML forms? They are actively hostile to interacting with REST APIs. Which would be less surprising if REST weren't part of the original design goals for HTTP.

    Not that I agree with requiring JS. But that's because I like graceful degradation and smaller file sizes, which are not things most developers ever have a reason to even discover as worthy goals.

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    If there isn't at least one reference or primary source, it's not +1 Informative. Maybe the underused +1 Interesting?
    • (Score: 1, Informative) by Anonymous Coward on Thursday May 24 2018, @04:48PM

      by Anonymous Coward on Thursday May 24 2018, @04:48PM (#683617)

      I have, a plenty, and I still do. There's no reason whatsoever why submitting a form that will be validated server side anyway (I hope so at least) be done with jQuery without offering the fallback of a standard input type=submit button.

      Hell, I've used greasemonkey to forcefully add such a button to a bunch of forms and they work fine without any of that gunk. People are just lazy and incompetent.