Microsoft open-sources “the earliest DOS source code discovered to date”

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JohnCarter17

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The lede image is giving me serious flashbacks. Just not sure if it's nostalgia or PTSD...
Its college, 1983 flashback for me. OG PC, dual floppies, pre-XT release with 5MB HDD.

CMU was heavily into EMACS and SCRIBE for mainframe (PDP-20 w/ TOPS O/S) editing/programming/document prep. When the PCs came out someone quickly developed a PC version of EMACS called Epsilon. I probably still have a floppy of it somewhere.

The TI calculator. That brings back memories.
 
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