13.11.2013 15:05 Uhr, Quelle: The Unofficial Apple Weblog

Apple II DOS source code released by the Computer History Museum

With Apple's blessing, The Computer History Museum and the Digibarn Computer Museum have released the 1978 Apple II DOS source code. The code was originally written in just seven weeks by Paul Laughton, who was a programmer Apple contracted from Shepardson Microsystems. The Apple II DOS was written on punch cards and for his work, Laughton received a sum of $13,000. According to Laughton: "DOS was written on punch cards. I would actually hand-write the code on 80-column punch card sheets. A guy at Shepardson named Mike Peters would take those sheets and punch the cards. The punch cards would then be read into a National Semiconductor IMP-16 and assembled, and a paper tape produced. The paper tape was read into the Apple

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